http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/CPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CPInstruction.java 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CPInstruction.java
index 7a2053b..f8f6dc7 100644
--- a/src/main/java/org/apache/sysml/runtime/instructions/cp/CPInstruction.java
+++ b/src/main/java/org/apache/sysml/runtime/instructions/cp/CPInstruction.java
@@ -20,7 +20,6 @@
 package org.apache.sysml.runtime.instructions.cp;
 
 import org.apache.sysml.lops.runtime.RunMRJobs;
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.instructions.CPInstructionParser;
 import org.apache.sysml.runtime.instructions.Instruction;
@@ -88,24 +87,18 @@ public abstract class CPInstruction extends Instruction
        }
 
        @Override
-       public Instruction preprocessInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public Instruction preprocessInstruction(ExecutionContext ec) {
                //default preprocess behavior (e.g., debug state)
                Instruction tmp = super.preprocessInstruction(ec);
-               
                //instruction patching
-               if( tmp.requiresLabelUpdate() ) //update labels only if required
-               {
+               if( tmp.requiresLabelUpdate() ) { //update labels only if 
required
                        //note: no exchange of updated instruction as labels 
might change in the general case
                        String updInst = RunMRJobs.updateLabels(tmp.toString(), 
ec.getVariables());
                        tmp = 
CPInstructionParser.parseSingleInstruction(updInst);
                }
-
                return tmp;
        }
 
        @Override 
-       public abstract void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException;
+       public abstract void processInstruction(ExecutionContext ec);
 }

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/CentralMomentCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CentralMomentCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CentralMomentCPInstruction.java
index 1bd5b60..1fcb5bc 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CentralMomentCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CentralMomentCPInstruction.java
@@ -36,9 +36,7 @@ public class CentralMomentCPInstruction extends 
AggregateUnaryCPInstruction {
                super(cm, in1, in2, in3, out, AUType.DEFAULT, opcode, str);
        }
 
-       public static CentralMomentCPInstruction parseInstruction(String str)
-               throws DMLRuntimeException 
-       {
+       public static CentralMomentCPInstruction parseInstruction(String str) {
                CPOperand in1 = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                CPOperand in2 = null; 
                CPOperand in3 = null; 
@@ -89,9 +87,7 @@ public class CentralMomentCPInstruction extends 
AggregateUnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction( ExecutionContext ec )
-               throws DMLRuntimeException
-       {
+       public void processInstruction( ExecutionContext ec ) {
                String output_name = output.getName();
 
                /*

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/CompressionCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CompressionCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CompressionCPInstruction.java
index b676a64..50d8bf0 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CompressionCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CompressionCPInstruction.java
@@ -20,7 +20,6 @@
 package org.apache.sysml.runtime.instructions.cp;
 
 import org.apache.sysml.hops.OptimizerUtils;
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.compress.CompressedMatrixBlock;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.instructions.Instruction;
@@ -34,28 +33,21 @@ public class CompressionCPInstruction extends 
ComputationCPInstruction {
                super(CPType.Compression, op, in, null, null, out, opcode, 
istr);
        }
 
-       public static Instruction parseInstruction(String str)
-               throws DMLRuntimeException 
-       {
+       public static Instruction parseInstruction(String str) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
                CPOperand in1 = new CPOperand(parts[1]);
                CPOperand out = new CPOperand(parts[2]);
-               
                return new CompressionCPInstruction(null, in1, out, opcode, 
str);
        }
        
        @Override
-       public void processInstruction( ExecutionContext ec )
-               throws DMLRuntimeException
-       {
+       public void processInstruction( ExecutionContext ec ) {
                //get matrix block input
                MatrixBlock in = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
-               
                //compress the matrix block
                MatrixBlock out = new CompressedMatrixBlock(in)
                        .compress(OptimizerUtils.getConstrainedNumThreads(-1));
-               
                //set output and release input
                ec.releaseMatrixInput(input1.getName(), getExtendedOpcode());
                ec.setMatrixOutput(output.getName(), out, getExtendedOpcode());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/ConvolutionCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ConvolutionCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ConvolutionCPInstruction.java
index 5d4deb2..f1c313b 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ConvolutionCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ConvolutionCPInstruction.java
@@ -65,14 +65,14 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                _intermediateMemoryBudget = intermediateMemoryBudget;
        }
        
-       public ConvolutionCPInstruction(CPOperand in, CPOperand in2, CPOperand 
out, String opcode, String istr, int numThreads, double 
intermediateMemoryBudget) throws DMLRuntimeException {
+       public ConvolutionCPInstruction(CPOperand in, CPOperand in2, CPOperand 
out, String opcode, String istr, int numThreads, double 
intermediateMemoryBudget) {
                this(in, in2, null, out, null, null, null, null, numThreads, 
intermediateMemoryBudget, opcode, istr);
                if( !(opcode.equals("bias_add") || 
opcode.equals("relu_backward") || opcode.equals("bias_multiply") ) ) {
                        throw new DMLRuntimeException("Incorrect usage. 
Expected the opcode to be bias_add or bias_multiply or relu_backward, but found 
" + opcode);
                }
        }
        
-       public ConvolutionCPInstruction(CPOperand in, CPOperand in2, CPOperand 
in3, CPOperand out, String opcode, String istr, int numThreads, double 
intermediateMemoryBudget) throws DMLRuntimeException {
+       public ConvolutionCPInstruction(CPOperand in, CPOperand in2, CPOperand 
in3, CPOperand out, String opcode, String istr, int numThreads, double 
intermediateMemoryBudget) {
                this(in, in2, in3, out, null, null, null, null, numThreads, 
intermediateMemoryBudget, opcode, istr);
                if( !opcode.equals("channel_sums") ) {
                        throw new DMLRuntimeException("Incorrect usage. 
Expected the opcode to be channel_sums, but found " + opcode);
@@ -99,8 +99,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                this(in, in2, in3, out, stride, padding, input_shape, 
filter_shape, numThreads, intermediateMemoryBudget, opcode, istr);
        }
 
-       public static ConvolutionCPInstruction parseInstruction(String str)
-                       throws DMLRuntimeException {
+       public static ConvolutionCPInstruction parseInstruction(String str) {
 
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
@@ -220,13 +219,12 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                }
        }
 
-       private static int getScalarInput(ExecutionContext ec, 
ArrayList<CPOperand> aL, int index) 
-                       throws DMLRuntimeException {
+       private static int getScalarInput(ExecutionContext ec, 
ArrayList<CPOperand> aL, int index) {
                return (int) ec.getScalarInput(aL.get(index).getName(),
                        aL.get(index).getValueType(), 
aL.get(index).isLiteral()).getLongValue();
        }
        
-       public void processReluBackwardInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processReluBackwardInstruction(ExecutionContext ec) {
                // (X > 0) * dout
                MatrixBlock input = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock dout = ec.getMatrixInput(_in2.getName(), 
getExtendedOpcode());
@@ -244,7 +242,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                ec.setMatrixOutput(getOutputVariableName(), outputBlock, 
getExtendedOpcode());
        }
        
-       public void processBiasAddInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processBiasAddInstruction(ExecutionContext ec) {
                MatrixBlock input = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock bias = ec.getMatrixInput(_in2.getName(), 
getExtendedOpcode());
                MatrixBlock outputBlock = null;
@@ -272,7 +270,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                ec.setMatrixOutput(getOutputVariableName(), outputBlock, 
getExtendedOpcode());
        }
        
-       public void processBiasMultiplyInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processBiasMultiplyInstruction(ExecutionContext ec) {
                MatrixBlock input = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock bias = ec.getMatrixInput(_in2.getName(), 
getExtendedOpcode());
                MatrixBlock outputBlock = null;
@@ -298,7 +296,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
                ec.setMatrixOutput(getOutputVariableName(), outputBlock, 
getExtendedOpcode());
        }
        
-       public void processChannelSumsInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processChannelSumsInstruction(ExecutionContext ec) {
                MatrixBlock input = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                int C = (int) ec.getScalarInput(_in2.getName(), 
_in2.getValueType(), _in2.isLiteral()).getLongValue();
                int HW = (int) ec.getScalarInput(_in3.getName(), 
_in3.getValueType(), _in3.isLiteral()).getLongValue();
@@ -359,7 +357,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
        
        // Assumption: enableNative && NativeHelper.isNativeLibraryLoaded() is 
true
        // This increases the number of native calls. For example:the cases 
where filter is sparse but input is dense
-       private static boolean isFilterSparse(MatrixBlock filter) throws 
DMLRuntimeException {
+       private static boolean isFilterSparse(MatrixBlock filter) {
                long numElems = filter.getNumRows()*filter.getNumColumns();
                // if filter is less than 10 MB in dense format (which handles 
almost all the cases).
                // In fact, using threshold of 1 MB is still sufficient for 
common CNNs.
@@ -370,8 +368,7 @@ public class ConvolutionCPInstruction extends 
UnaryCPInstruction {
        
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException {
+       public void processInstruction(ExecutionContext ec) {
                if (instOpcode.equalsIgnoreCase("bias_add")) {
                        processBiasAddInstruction(ec);
                        return;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/CovarianceCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CovarianceCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CovarianceCPInstruction.java
index 699572f..f4e7df3 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CovarianceCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CovarianceCPInstruction.java
@@ -41,8 +41,7 @@ public class CovarianceCPInstruction extends 
BinaryCPInstruction {
                super(CPType.AggregateBinary, op, in1, in2, in3, out, opcode, 
istr);
        }
 
-       public static CovarianceCPInstruction parseInstruction( String str ) 
-               throws DMLRuntimeException 
+       public static CovarianceCPInstruction parseInstruction( String str )
        {
                CPOperand in1 = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                CPOperand in2 = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
@@ -73,28 +72,24 @@ public class CovarianceCPInstruction extends 
BinaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException
-       {       
+       public void processInstruction(ExecutionContext ec)
+       {
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
-        MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName(), 
getExtendedOpcode());
+               MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName(), 
getExtendedOpcode());
                String output_name = output.getName(); 
-               
                COVOperator cov_op = (COVOperator)_optr;
                CM_COV_Object covobj = new CM_COV_Object();
-                       
-               if ( input3 == null ) 
-               {
+               
+               if ( input3 == null ) {
                        // Unweighted: cov.mvar0.mvar1.out
                        covobj = matBlock1.covOperations(cov_op, matBlock2);
                        
                        ec.releaseMatrixInput(input1.getName(), 
getExtendedOpcode());
                        ec.releaseMatrixInput(input2.getName(), 
getExtendedOpcode());
                }
-               else 
-               {
+               else {
                        // Weighted: cov.mvar0.mvar1.weights.out
-               MatrixBlock wtBlock = ec.getMatrixInput(input3.getName(), 
getExtendedOpcode());
+                       MatrixBlock wtBlock = 
ec.getMatrixInput(input3.getName(), getExtendedOpcode());
                        
                        covobj = matBlock1.covOperations(cov_op, matBlock2, 
wtBlock);
                        

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/CtableCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CtableCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CtableCPInstruction.java
index 0879b81..6811f99 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/CtableCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/CtableCPInstruction.java
@@ -53,8 +53,7 @@ public class CtableCPInstruction extends 
ComputationCPInstruction {
                _ignoreZeros = ignoreZeros;
        }
 
-       public static CtableCPInstruction parseInstruction(String inst) 
-               throws DMLRuntimeException
+       public static CtableCPInstruction parseInstruction(String inst)
        {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(inst);
                InstructionUtils.checkNumFields ( parts, 7 );
@@ -91,9 +90,7 @@ public class CtableCPInstruction extends 
ComputationCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException {
-               
+       public void processInstruction(ExecutionContext ec) {
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock matBlock2=null, wtBlock=null;
                double cst1, cst2;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/Data.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/sysml/runtime/instructions/cp/Data.java 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/Data.java
index 3b15b9e..ffc15be 100644
--- a/src/main/java/org/apache/sysml/runtime/instructions/cp/Data.java
+++ b/src/main/java/org/apache/sysml/runtime/instructions/cp/Data.java
@@ -51,19 +51,19 @@ public abstract class Data implements Serializable
                return valueType;
        }
 
-       public void setMetaData(MetaData md) throws DMLRuntimeException {
+       public void setMetaData(MetaData md) {
                throw new DMLRuntimeException("This method in the base class 
should never be invoked.");
        }
        
-       public MetaData getMetaData() throws DMLRuntimeException {
+       public MetaData getMetaData() {
                throw new DMLRuntimeException("This method in the base class 
should never be invoked.");
        }
 
-       public void removeMetaData() throws DMLRuntimeException {
+       public void removeMetaData() {
                throw new DMLRuntimeException("This method in the base class 
should never be invoked.");
        }
 
-       public void updateMatrixCharacteristics(MatrixCharacteristics mc) 
throws DMLRuntimeException {
+       public void updateMatrixCharacteristics(MatrixCharacteristics mc) {
                throw new DMLRuntimeException("This method in the base class 
should never be invoked.");
        }
 }

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/DataGenCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/DataGenCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/DataGenCPInstruction.java
index c7cf2bc..7e0d5c1 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/DataGenCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/DataGenCPInstruction.java
@@ -122,8 +122,7 @@ public class DataGenCPInstruction extends 
UnaryCPInstruction {
                return sparsity;
        }
 
-       public static DataGenCPInstruction parseInstruction(String str) 
-               throws DMLRuntimeException 
+       public static DataGenCPInstruction parseInstruction(String str)
        {
                DataGenMethod method = DataGenMethod.INVALID;
 
@@ -200,7 +199,6 @@ public class DataGenCPInstruction extends 
UnaryCPInstruction {
        
        @Override
        public void processInstruction( ExecutionContext ec )
-               throws DMLRuntimeException
        {
                MatrixBlock soresBlock = null;
                
@@ -259,7 +257,7 @@ public class DataGenCPInstruction extends 
UnaryCPInstruction {
                ec.setMatrixOutput(output.getName(), soresBlock, 
getExtendedOpcode());
        }
        
-       private static void checkValidDimensions(long rows, long cols) throws 
DMLRuntimeException {
+       private static void checkValidDimensions(long rows, long cols) {
                //check valid for integer dimensions (we cannot even represent 
empty blocks with larger dimensions)
                if( rows > Integer.MAX_VALUE || cols > Integer.MAX_VALUE )
                        throw new DMLRuntimeException("DataGenCPInstruction 
does not "

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/DataPartitionCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/DataPartitionCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/DataPartitionCPInstruction.java
index 50fad3b..e7caa68 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/DataPartitionCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/DataPartitionCPInstruction.java
@@ -46,17 +46,13 @@ public class DataPartitionCPInstruction extends 
UnaryCPInstruction {
                _pformat = pformat;
        }
 
-       public static DataPartitionCPInstruction parseInstruction ( String str 
) 
-               throws DMLRuntimeException 
-       {
+       public static DataPartitionCPInstruction parseInstruction ( String str 
) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                InstructionUtils.checkNumFields( parts, 3 );
-               
                String opcode = parts[0];
                CPOperand in1 = new CPOperand(parts[1]);
                CPOperand out = new CPOperand(parts[2]);
                PDataPartitionFormat pformat = 
PDataPartitionFormat.valueOf(parts[3]);
-                
                if(!opcode.equalsIgnoreCase("partition"))
                        throw new DMLRuntimeException("Unknown opcode while 
parsing an DataPartitionCPInstruction: " + str);
                else
@@ -64,9 +60,7 @@ public class DataPartitionCPInstruction extends 
UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get input
                MatrixObject moIn = ec.getMatrixObject(input1.getName());
                MatrixBlock mb = moIn.acquireRead();

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/EvalNaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/EvalNaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/EvalNaryCPInstruction.java
index 39f9755..02826ca 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/EvalNaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/EvalNaryCPInstruction.java
@@ -42,7 +42,7 @@ public class EvalNaryCPInstruction extends 
BuiltinNaryCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processInstruction(ExecutionContext ec) {
                //1. get the namespace and func
                String funcName = ec.getScalarInput(inputs[0]).getStringValue();
                if( funcName.contains(Program.KEY_DELIM) )

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameAppendCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameAppendCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameAppendCPInstruction.java
index 255dfd0..817b29b 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameAppendCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameAppendCPInstruction.java
@@ -33,7 +33,6 @@ public final class FrameAppendCPInstruction extends 
AppendCPInstruction {
 
        @Override
        public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
        {
                //get inputs
                FrameBlock fin1 = ec.getFrameInput(input1.getName());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameIndexingCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameIndexingCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameIndexingCPInstruction.java
index 967b168..7cd8848 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameIndexingCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FrameIndexingCPInstruction.java
@@ -41,19 +41,16 @@ public final class FrameIndexingCPInstruction extends 
IndexingCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException 
-       {       
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                IndexRange ixrange = getIndexRange(ec);
                
                //right indexing
-               if( opcode.equalsIgnoreCase(RightIndex.OPCODE) )
-               {
+               if( opcode.equalsIgnoreCase(RightIndex.OPCODE) ) {
                        //execute right indexing operation
                        FrameBlock in = ec.getFrameInput(input1.getName());
-                       FrameBlock out = in.slice(ixrange, new FrameBlock());   
-                               
+                       FrameBlock out = in.slice(ixrange, new FrameBlock());
+                       
                        //unpin rhs input
                        ec.releaseFrameInput(input1.getName());
                        
@@ -61,8 +58,7 @@ public final class FrameIndexingCPInstruction extends 
IndexingCPInstruction {
                        ec.setFrameOutput(output.getName(), out);
                }
                //left indexing
-               else if ( opcode.equalsIgnoreCase(LeftIndex.OPCODE))
-               {
+               else if ( opcode.equalsIgnoreCase(LeftIndex.OPCODE)) {
                        FrameBlock lin = ec.getFrameInput(input1.getName());
                        FrameBlock out = null;
                        

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/FunctionCallCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FunctionCallCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FunctionCallCPInstruction.java
index eb44f81..588d2ff 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/FunctionCallCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/FunctionCallCPInstruction.java
@@ -63,9 +63,7 @@ public class FunctionCallCPInstruction extends CPInstruction {
                return _namespace;
        }
        
-       public static FunctionCallCPInstruction parseInstruction(String str) 
-               throws DMLRuntimeException 
-       {
+       public static FunctionCallCPInstruction parseInstruction(String str) {
                //schema: extfunct, fname, num inputs, num outputs, inputs, 
outputs
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType ( str );
                String namespace = parts[1];
@@ -86,28 +84,20 @@ public class FunctionCallCPInstruction extends 
CPInstruction {
        }
        
        @Override
-       public Instruction preprocessInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public Instruction preprocessInstruction(ExecutionContext ec) {
                //default pre-process behavior
                Instruction tmp = super.preprocessInstruction(ec);
-               
                //maintain debug state (function call stack) 
-               if( DMLScript.ENABLE_DEBUG_MODE ) {
+               if( DMLScript.ENABLE_DEBUG_MODE )
                        ec.handleDebugFunctionEntry((FunctionCallCPInstruction) 
tmp);
-               }
-
                return tmp;
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                if( LOG.isTraceEnabled() ){
                        LOG.trace("Executing instruction : " + this.toString());
                }
-               
                // get the function program block (stored in the Program object)
                FunctionProgramBlock fpb = 
ec.getProgram().getFunctionProgramBlock(_namespace, _functionName);
                
@@ -206,14 +196,10 @@ public class FunctionCallCPInstruction extends 
CPInstruction {
        }
 
        @Override
-       public void postprocessInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void postprocessInstruction(ExecutionContext ec) {
                //maintain debug state (function call stack) 
-               if (DMLScript.ENABLE_DEBUG_MODE ) {
+               if (DMLScript.ENABLE_DEBUG_MODE )
                        ec.handleDebugFunctionExit( this );
-               }
-               
                //default post-process behavior
                super.postprocessInstruction(ec);
        }

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/IndexingCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/IndexingCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/IndexingCPInstruction.java
index 20fd852..189631e 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/IndexingCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/IndexingCPInstruction.java
@@ -50,17 +50,15 @@ public abstract class IndexingCPInstruction extends 
UnaryCPInstruction {
                colUpper = cu;
        }
 
-       protected IndexRange getIndexRange(ExecutionContext ec) throws 
DMLRuntimeException {
+       protected IndexRange getIndexRange(ExecutionContext ec) {
                return new IndexRange( //rl, ru, cl, ru
                        (int)(ec.getScalarInput(rowLower.getName(), 
rowLower.getValueType(), rowLower.isLiteral()).getLongValue()-1),
                        (int)(ec.getScalarInput(rowUpper.getName(), 
rowUpper.getValueType(), rowUpper.isLiteral()).getLongValue()-1),
                        (int)(ec.getScalarInput(colLower.getName(), 
colLower.getValueType(), colLower.isLiteral()).getLongValue()-1),
-                       (int)(ec.getScalarInput(colUpper.getName(), 
colUpper.getValueType(), colUpper.isLiteral()).getLongValue()-1));          
+                       (int)(ec.getScalarInput(colUpper.getName(), 
colUpper.getValueType(), colUpper.isLiteral()).getLongValue()-1));
        }
 
-       public static IndexingCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {       
+       public static IndexingCPInstruction parseInstruction ( String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
                

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MMChainCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MMChainCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MMChainCPInstruction.java
index b69772b..711db31 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MMChainCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MMChainCPInstruction.java
@@ -20,7 +20,6 @@
 package org.apache.sysml.runtime.instructions.cp;
 
 import org.apache.sysml.lops.MapMultChain.ChainType;
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.instructions.InstructionUtils;
 import org.apache.sysml.runtime.matrix.data.MatrixBlock;
@@ -38,9 +37,7 @@ public class MMChainCPInstruction extends UnaryCPInstruction {
                _numThreads = k;
        }
 
-       public static MMChainCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static MMChainCPInstruction parseInstruction ( String str ) {
                //parse instruction parts (without exec type)
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType( str );
                InstructionUtils.checkNumFields( parts, 5, 6 );
@@ -69,18 +66,14 @@ public class MMChainCPInstruction extends 
UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get inputs
                MatrixBlock X = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock v = ec.getMatrixInput(input2.getName(), 
getExtendedOpcode());
                MatrixBlock w = (_type==ChainType.XtwXv || 
_type==ChainType.XtXvy) ? 
-                               ec.getMatrixInput(input3.getName(), 
getExtendedOpcode()) : null;
-
+                       ec.getMatrixInput(input3.getName(), 
getExtendedOpcode()) : null;
                //execute mmchain operation 
                 MatrixBlock out = (MatrixBlock) X.chainMatrixMultOperations(v, 
w, new MatrixBlock(), _type, _numThreads);
-                               
                //set output and release inputs
                ec.setMatrixOutput(output.getName(), out, getExtendedOpcode());
                ec.releaseMatrixInput(input1.getName(), getExtendedOpcode());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MMTSJCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MMTSJCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MMTSJCPInstruction.java
index edd420a..090d478 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MMTSJCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MMTSJCPInstruction.java
@@ -37,9 +37,7 @@ public class MMTSJCPInstruction extends UnaryCPInstruction {
                _numThreads = k;
        }
 
-       public static MMTSJCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static MMTSJCPInstruction parseInstruction ( String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                InstructionUtils.checkNumFields ( parts, 4 );
                
@@ -56,9 +54,7 @@ public class MMTSJCPInstruction extends UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get inputs
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
 

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixAppendCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixAppendCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixAppendCPInstruction.java
index 420535b..ae6a0e0 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixAppendCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixAppendCPInstruction.java
@@ -32,13 +32,10 @@ public final class MatrixAppendCPInstruction extends 
AppendCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get inputs
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName(), 
getExtendedOpcode());
-       
                //check input dimensions
                if( _type == AppendType.CBIND && matBlock1.getNumRows() != 
matBlock2.getNumRows() ) {
                        throw new DMLRuntimeException("Append-cbind is not 
possible for input matrices " + input1.getName() + " and " + input2.getName()
@@ -47,11 +44,9 @@ public final class MatrixAppendCPInstruction extends 
AppendCPInstruction {
                else if( _type == AppendType.RBIND && matBlock1.getNumColumns() 
!= matBlock2.getNumColumns()) {
                        throw new DMLRuntimeException("Append-rbind is not 
possible for input matrices " + input1.getName() + " and " + input2.getName()
                                        + " with different number of columns: 
"+matBlock1.getNumColumns()+" vs "+matBlock2.getNumColumns());
-               } 
-                       
+               }
                //execute append operations (append both inputs to initially 
empty output)
                MatrixBlock ret = matBlock1.append(matBlock2, new 
MatrixBlock(), _type==AppendType.CBIND);
-               
                //set output and release inputs 
                ec.setMatrixOutput(output.getName(), ret, getExtendedOpcode());
                ec.releaseMatrixInput(input1.getName(), getExtendedOpcode());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixBuiltinNaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixBuiltinNaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixBuiltinNaryCPInstruction.java
index 4e4fb95..3f16447 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixBuiltinNaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixBuiltinNaryCPInstruction.java
@@ -31,7 +31,7 @@ public class MatrixBuiltinNaryCPInstruction extends 
BuiltinNaryCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processInstruction(ExecutionContext ec) {
                //pin input matrix blocks
                MatrixBlock in1 = ec.getMatrixInput(inputs[0].getName());
                MatrixBlock[] in2 = new MatrixBlock[inputs.length-1];

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixIndexingCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixIndexingCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixIndexingCPInstruction.java
index 2eeade3..10a10d5 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixIndexingCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixIndexingCPInstruction.java
@@ -46,9 +46,7 @@ public final class MatrixIndexingCPInstruction extends 
IndexingCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                IndexRange ixrange = getIndexRange(ec);
                

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixReshapeCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixReshapeCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixReshapeCPInstruction.java
index d13f97c..cd8d5dc 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixReshapeCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MatrixReshapeCPInstruction.java
@@ -41,19 +41,15 @@ public class MatrixReshapeCPInstruction extends 
UnaryCPInstruction {
                _opByRow = in4;
        }
 
-       public static MatrixReshapeCPInstruction parseInstruction ( String str 
) 
-               throws DMLRuntimeException 
-       {
+       public static MatrixReshapeCPInstruction parseInstruction ( String str 
) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                InstructionUtils.checkNumFields( parts, 5 );
-               
                String opcode = parts[0];
                CPOperand in1 = new CPOperand(parts[1]);
                CPOperand in2 = new CPOperand(parts[2]);
                CPOperand in3 = new CPOperand(parts[3]);
                CPOperand in4 = new CPOperand(parts[4]);
                CPOperand out = new CPOperand(parts[5]);
-                        
                if(!opcode.equalsIgnoreCase("rshape"))
                        throw new DMLRuntimeException("Unknown opcode while 
parsing an MatrixReshapeInstruction: " + str);
                else
@@ -61,9 +57,7 @@ public class MatrixReshapeCPInstruction extends 
UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get inputs
                MatrixBlock in = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                int rows = (int)ec.getScalarInput(_opRows.getName(), 
_opRows.getValueType(), _opRows.isLiteral()).getLongValue(); //save cast

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnBuiltinCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnBuiltinCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnBuiltinCPInstruction.java
index 343a821..2aa04d8 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnBuiltinCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnBuiltinCPInstruction.java
@@ -45,9 +45,7 @@ public class MultiReturnBuiltinCPInstruction extends 
ComputationCPInstruction {
                return _outputs.get(i);
        }
        
-       public static MultiReturnBuiltinCPInstruction parseInstruction ( String 
str ) 
-               throws DMLRuntimeException 
-       {
+       public static MultiReturnBuiltinCPInstruction parseInstruction ( String 
str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                ArrayList<CPOperand> outputs = new ArrayList<>();
                // first part is always the opcode
@@ -99,9 +97,7 @@ public class MultiReturnBuiltinCPInstruction extends 
ComputationCPInstruction {
        }
 
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                MatrixObject mo = ec.getMatrixObject(input1.getName());
                MatrixBlock[] out = null;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnParameterizedBuiltinCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnParameterizedBuiltinCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnParameterizedBuiltinCPInstruction.java
index c4f61bb..8afa9d7 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnParameterizedBuiltinCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/MultiReturnParameterizedBuiltinCPInstruction.java
@@ -45,9 +45,7 @@ public class MultiReturnParameterizedBuiltinCPInstruction 
extends ComputationCPI
                return _outputs.get(i);
        }
 
-       public static MultiReturnParameterizedBuiltinCPInstruction 
parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static MultiReturnParameterizedBuiltinCPInstruction 
parseInstruction ( String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                ArrayList<CPOperand> outputs = new ArrayList<>();
                String opcode = parts[0];
@@ -67,9 +65,7 @@ public class MultiReturnParameterizedBuiltinCPInstruction 
extends ComputationCPI
        }
 
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //obtain and pin input frame
                FrameBlock fin = ec.getFrameInput(input1.getName());
                String spec = ec.getScalarInput(input2.getName(), 
input2.getValueType(), input2.isLiteral()).getStringValue();

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/PMMJCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/PMMJCPInstruction.java 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/PMMJCPInstruction.java
index bb0cb2a..93742dd 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/PMMJCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/PMMJCPInstruction.java
@@ -35,19 +35,15 @@ public class PMMJCPInstruction extends 
ComputationCPInstruction {
                _numThreads = k;
        }
 
-       public static PMMJCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static PMMJCPInstruction parseInstruction ( String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                InstructionUtils.checkNumFields ( parts, 5 );
-               
                String opcode = parts[0];
                CPOperand in1 = new CPOperand(parts[1]);
                CPOperand in2 = new CPOperand(parts[2]);
                CPOperand in3 = new CPOperand(parts[3]);
                CPOperand out = new CPOperand(parts[4]);
                int k = Integer.parseInt(parts[5]);
-               
                if(!opcode.equalsIgnoreCase("pmm"))
                        throw new DMLRuntimeException("Unknown opcode while 
parsing an PMMJCPInstruction: " + str);
                else
@@ -55,18 +51,14 @@ public class PMMJCPInstruction extends 
ComputationCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get inputs
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock matBlock2 = ec.getMatrixInput(input2.getName(), 
getExtendedOpcode());
                int rlen = (int)ec.getScalarInput(input3.getName(), 
input3.getValueType(), input3.isLiteral()).getLongValue();
-               
                //execute operations
                MatrixBlock ret = new MatrixBlock(rlen, 
matBlock2.getNumColumns(), matBlock2.isInSparseFormat());
                matBlock1.permutationMatrixMultOperations(matBlock2, ret, null, 
_numThreads);
-               
                //set output and release inputs
                ec.setMatrixOutput(output.getName(), ret, getExtendedOpcode());
                ec.releaseMatrixInput(input1.getName(), getExtendedOpcode());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/ParameterizedBuiltinCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ParameterizedBuiltinCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ParameterizedBuiltinCPInstruction.java
index f7a491e..c5909ac 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ParameterizedBuiltinCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ParameterizedBuiltinCPInstruction.java
@@ -85,9 +85,7 @@ public class ParameterizedBuiltinCPInstruction extends 
ComputationCPInstruction
                return paramMap;
        }
        
-       public static ParameterizedBuiltinCPInstruction parseInstruction ( 
String str ) 
-               throws DMLRuntimeException 
-       {
+       public static ParameterizedBuiltinCPInstruction parseInstruction ( 
String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                // first part is always the opcode
                String opcode = parts[0];
@@ -151,13 +149,9 @@ public class ParameterizedBuiltinCPInstruction extends 
ComputationCPInstruction
        }
 
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
-               
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                ScalarObject sores = null;
-               
                if ( opcode.equalsIgnoreCase("cdf")) {
                        SimpleOperator op = (SimpleOperator) _optr;
                        double result =  op.fn.execute(params);

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantilePickCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantilePickCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantilePickCPInstruction.java
index 2950a1c..62ebfe1 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantilePickCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantilePickCPInstruction.java
@@ -51,20 +51,13 @@ public class QuantilePickCPInstruction extends 
BinaryCPInstruction {
                _inmem = inmem;
        }
 
-       public static QuantilePickCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static QuantilePickCPInstruction parseInstruction ( String str ) 
{
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
-               
-               //sanity check opcode
-               if ( !opcode.equalsIgnoreCase("qpick") ) {
+               if ( !opcode.equalsIgnoreCase("qpick") )
                        throw new DMLRuntimeException("Unknown opcode while 
parsing a QuantilePickCPInstruction: " + str);
-               }
-               
                //instruction parsing
-               if( parts.length == 4 )
-               {
+               if( parts.length == 4 ) {
                        //instructions of length 4 originate from unary - mr-iqm
                        //TODO this should be refactored to use pickvaluecount 
lops
                        CPOperand in1 = new CPOperand(parts[1]);
@@ -72,18 +65,16 @@ public class QuantilePickCPInstruction extends 
BinaryCPInstruction {
                        CPOperand out = new CPOperand(parts[3]);
                        OperationTypes ptype = OperationTypes.IQM;
                        boolean inmem = false;
-                       return new QuantilePickCPInstruction(null, in1, in2, 
out, ptype, inmem, opcode, str);                   
+                       return new QuantilePickCPInstruction(null, in1, in2, 
out, ptype, inmem, opcode, str);
                }
-               else if( parts.length == 5 )
-               {
+               else if( parts.length == 5 ) {
                        CPOperand in1 = new CPOperand(parts[1]);
                        CPOperand out = new CPOperand(parts[2]);
                        OperationTypes ptype = OperationTypes.valueOf(parts[3]);
                        boolean inmem = Boolean.parseBoolean(parts[4]);
                        return new QuantilePickCPInstruction(null, in1, out, 
ptype, inmem, opcode, str);
                }
-               else if( parts.length == 6 )
-               {
+               else if( parts.length == 6 ) {
                        CPOperand in1 = new CPOperand(parts[1]);
                        CPOperand in2 = new CPOperand(parts[2]);
                        CPOperand out = new CPOperand(parts[3]);
@@ -91,14 +82,11 @@ public class QuantilePickCPInstruction extends 
BinaryCPInstruction {
                        boolean inmem = Boolean.parseBoolean(parts[5]);
                        return new QuantilePickCPInstruction(null, in1, in2, 
out, ptype, inmem, opcode, str);
                }
-               
                return null;
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                switch( _type ) 
                {
                        case VALUEPICK: 
@@ -118,7 +106,7 @@ public class QuantilePickCPInstruction extends 
BinaryCPInstruction {
                                                
ec.releaseMatrixInput(input2.getName(), getExtendedOpcode());
                                                
ec.setMatrixOutput(output.getName(), resultBlock, getExtendedOpcode());
                                        }
-                                       ec.releaseMatrixInput(input1.getName(), 
getExtendedOpcode());                                                           
                
+                                       ec.releaseMatrixInput(input1.getName(), 
getExtendedOpcode());
                                }
                                else //MR VALUEPICK
                                {
@@ -138,7 +126,7 @@ public class QuantilePickCPInstruction extends 
BinaryCPInstruction {
                                        else {
                                                throw new 
DMLRuntimeException("Unexpected error while executing ValuePickCP: 
otherMetaData for file (" + fname + ") not found." );
                                        }
-                               }                               
+                               }
                                break;
 
                        case MEDIAN:

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantileSortCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantileSortCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantileSortCPInstruction.java
index b7a5254..bf7e3e4 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantileSortCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuantileSortCPInstruction.java
@@ -48,9 +48,7 @@ public class QuantileSortCPInstruction extends 
UnaryCPInstruction {
                super(CPType.QSort, op, in1, in2, out, opcode, istr);
        }
 
-       public static QuantileSortCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static QuantileSortCPInstruction parseInstruction ( String str ) 
{
                CPOperand in1 = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                CPOperand in2 = null;
                CPOperand out = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
@@ -80,9 +78,7 @@ public class QuantileSortCPInstruction extends 
UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //acquire inputs matrices
                MatrixBlock matBlock = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                MatrixBlock wtBlock = null;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/QuaternaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuaternaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuaternaryCPInstruction.java
index ce6dd47..85d2422 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/QuaternaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/QuaternaryCPInstruction.java
@@ -44,9 +44,7 @@ public class QuaternaryCPInstruction extends 
ComputationCPInstruction {
                _numThreads = k;
        }
 
-       public static QuaternaryCPInstruction parseInstruction(String inst) 
-               throws DMLRuntimeException
-       {       
+       public static QuaternaryCPInstruction parseInstruction(String inst) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(inst);
                String opcode = parts[0];
                
@@ -100,9 +98,7 @@ public class QuaternaryCPInstruction extends 
ComputationCPInstruction {
 
        
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException
-       {
+       public void processInstruction(ExecutionContext ec) {
                QuaternaryOperator qop = (QuaternaryOperator) _optr;
                
                MatrixBlock matBlock1 = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/ReorgCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ReorgCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ReorgCPInstruction.java
index 96b4644..af4c12e 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ReorgCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ReorgCPInstruction.java
@@ -85,9 +85,7 @@ public class ReorgCPInstruction extends UnaryCPInstruction {
                _ixret = ixret;
        }
 
-       public static ReorgCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static ReorgCPInstruction parseInstruction ( String str ) {
                CPOperand in = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                CPOperand out = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                
@@ -125,9 +123,7 @@ public class ReorgCPInstruction extends UnaryCPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //acquire inputs
                MatrixBlock matBlock = ec.getMatrixInput(input1.getName(), 
getExtendedOpcode());
                ReorgOperator r_op = (ReorgOperator) _optr;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarAppendCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarAppendCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarAppendCPInstruction.java
index cbcf7e2..85e290b 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarAppendCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarAppendCPInstruction.java
@@ -19,7 +19,6 @@
 
 package org.apache.sysml.runtime.instructions.cp;
 
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.matrix.operators.Operator;
 
@@ -31,25 +30,18 @@ public final class ScalarAppendCPInstruction extends 
AppendCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
-               //Append type: STRING
-               
+       public void processInstruction(ExecutionContext ec) {
                //get input strings (vars or literals)
                ScalarObject so1 = ec.getScalarInput( input1.getName(), 
input1.getValueType(), input1.isLiteral() );
                ScalarObject so2 = ec.getScalarInput( input2.getName(), 
input2.getValueType(), input2.isLiteral() );
-               
                //pre-checks
                String val1 = so1.getStringValue();
                String val2 = so2.getStringValue();
                StringObject.checkMaxStringLength( val1.length()+val2.length() 
);
-               
                //core execution
-               String outString = val1 + "\n" + val2;                  
+               String outString = val1 + "\n" + val2;
                ScalarObject sores = new StringObject(outString);
-               
                //set output
-               ec.setScalarOutput(output.getName(), sores);            
+               ec.setScalarOutput(output.getName(), sores);
        }
 }

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarBuiltinNaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarBuiltinNaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarBuiltinNaryCPInstruction.java
index 04408a8..85eec77 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarBuiltinNaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/ScalarBuiltinNaryCPInstruction.java
@@ -43,7 +43,7 @@ public class ScalarBuiltinNaryCPInstruction extends 
BuiltinNaryCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       public void processInstruction(ExecutionContext ec) {
                if 
(Nary.OperationType.PRINTF.toString().equalsIgnoreCase(getOpcode())) {
                        List<ScalarObject> scalarObjects = new ArrayList<>();
                        for (CPOperand input : inputs) {

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/SpoofCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/SpoofCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/SpoofCPInstruction.java
index 16ab1a4..76c6b02 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/SpoofCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/SpoofCPInstruction.java
@@ -22,7 +22,6 @@ package org.apache.sysml.runtime.instructions.cp;
 import java.util.ArrayList;
 
 import org.apache.sysml.parser.Expression.DataType;
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.codegen.CodegenUtils;
 import org.apache.sysml.runtime.codegen.SpoofOperator;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
@@ -48,9 +47,7 @@ public class SpoofCPInstruction extends 
ComputationCPInstruction {
                return _class;
        }
 
-       public static SpoofCPInstruction parseInstruction(String str) 
-               throws DMLRuntimeException 
-       {
+       public static SpoofCPInstruction parseInstruction(String str) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                
                ArrayList<CPOperand> inlist = new ArrayList<>();
@@ -67,9 +64,7 @@ public class SpoofCPInstruction extends 
ComputationCPInstruction {
        }
 
        @Override
-       public void processInstruction(ExecutionContext ec)
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                //get input matrices and scalars, incl pinning of matrices
                ArrayList<MatrixBlock> inputs = new ArrayList<>();
                ArrayList<ScalarObject> scalars = new ArrayList<>();

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/StringInitCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/StringInitCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/StringInitCPInstruction.java
index 93e02b9..2e82ab2 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/StringInitCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/StringInitCPInstruction.java
@@ -52,32 +52,24 @@ public class StringInitCPInstruction extends 
UnaryCPInstruction {
                return _clen;
        }
 
-       public static StringInitCPInstruction parseInstruction(String str) 
-               throws DMLRuntimeException 
-       {
+       public static StringInitCPInstruction parseInstruction(String str) {
                String opcode = InstructionUtils.getOpCode(str);
                if( !opcode.equals(DataGen.SINIT_OPCODE) )
                        throw new DMLRuntimeException("Unsupported opcode: 
"+opcode);
-               
                //parse instruction
                String[] s = InstructionUtils.getInstructionPartsWithValueType 
( str );
                InstructionUtils.checkNumFields( s, 6 );
-               
                CPOperand out = new CPOperand(s[s.length-1]); // output is 
specified by the last operand
-
                long rows = (s[1].contains( 
Lop.VARIABLE_NAME_PLACEHOLDER)?-1:Double.valueOf(s[1]).longValue());
                long cols = (s[2].contains( 
Lop.VARIABLE_NAME_PLACEHOLDER)?-1:Double.valueOf(s[2]).longValue());
-        int rpb = Integer.parseInt(s[3]);
+               int rpb = Integer.parseInt(s[3]);
                int cpb = Integer.parseInt(s[4]);
                String data = s[5];
-               
                return new StringInitCPInstruction(null, null, out, rows, cols, 
rpb, cpb, data, opcode, str);
        }
        
        @Override
-       public void processInstruction( ExecutionContext ec )
-               throws DMLRuntimeException
-       {
+       public void processInstruction( ExecutionContext ec ) {
                //setup output matrix
                String outName = output.getName();
                MatrixBlock outBlk = new MatrixBlock((int)_rlen, (int)_clen, 
false);

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/StringObject.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/StringObject.java 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/StringObject.java
index e099a3c..b228220 100644
--- a/src/main/java/org/apache/sysml/runtime/instructions/cp/StringObject.java
+++ b/src/main/java/org/apache/sysml/runtime/instructions/cp/StringObject.java
@@ -60,9 +60,7 @@ public class StringObject extends ScalarObject
                return _value;
        }
 
-       public static void checkMaxStringLength( long len ) 
-               throws DMLRuntimeException
-       {
+       public static void checkMaxStringLength( long len ) {
                if( len > MAX_STRING_SIZE ) {
                        throw new DMLRuntimeException("Output string length 
exceeds maximum "
                                + "scalar string length ("+len+" > 
"+MAX_STRING_SIZE+").");

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/TernaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/TernaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/TernaryCPInstruction.java
index 4f8aeb0..8823296 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/TernaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/TernaryCPInstruction.java
@@ -19,7 +19,6 @@
 
 package org.apache.sysml.runtime.instructions.cp;
 
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.instructions.InstructionUtils;
 import org.apache.sysml.runtime.matrix.data.MatrixBlock;
@@ -44,9 +43,7 @@ public class TernaryCPInstruction extends 
ComputationCPInstruction {
        }
        
        @Override
-       public void processInstruction( ExecutionContext ec )
-               throws DMLRuntimeException
-       {
+       public void processInstruction( ExecutionContext ec ) {
                if( input1.isMatrix() || input2.isMatrix() || input3.isMatrix() 
)
                {
                        //get all inputs as matrix blocks

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/UaggOuterChainCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UaggOuterChainCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UaggOuterChainCPInstruction.java
index d6fb334..908e5bd 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UaggOuterChainCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UaggOuterChainCPInstruction.java
@@ -43,9 +43,7 @@ public class UaggOuterChainCPInstruction extends 
UnaryCPInstruction {
                _bOp = bop;
        }
 
-       public static UaggOuterChainCPInstruction parseInstruction(String str)
-               throws DMLRuntimeException 
-       {
+       public static UaggOuterChainCPInstruction parseInstruction(String str) {
                String parts[] = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
 
@@ -72,9 +70,7 @@ public class UaggOuterChainCPInstruction extends 
UnaryCPInstruction {
        
        
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException
-       {       
+       public void processInstruction(ExecutionContext ec) {
                boolean rightCached = (_uaggOp.indexFn instanceof ReduceCol || 
_uaggOp.indexFn instanceof ReduceAll
                                || 
!LibMatrixOuterAgg.isSupportedUaggOp(_uaggOp, _bOp));
 

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryCPInstruction.java
index fa9200f..07be2a7 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryCPInstruction.java
@@ -47,9 +47,7 @@ public abstract class UnaryCPInstruction extends 
ComputationCPInstruction {
                super(type, op, in1, in2, in3, out, opcode, instr);
        }
        
-       public static UnaryCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException
-       {
+       public static UnaryCPInstruction parseInstruction ( String str ) {
                CPOperand in = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                CPOperand out = new CPOperand("", ValueType.UNKNOWN, 
DataType.UNKNOWN);
                
@@ -82,25 +80,22 @@ public abstract class UnaryCPInstruction extends 
ComputationCPInstruction {
                return null;
        }
 
-       static String parseUnaryInstruction(String instr, CPOperand in,
-                       CPOperand out) throws DMLRuntimeException {
+       static String parseUnaryInstruction(String instr, CPOperand in, 
CPOperand out) {
                InstructionUtils.checkNumFields(instr, 2);
                return parse(instr, in, null, null, out);
        }
 
-       static String parseUnaryInstruction(String instr, CPOperand in1,
-                       CPOperand in2, CPOperand out) throws 
DMLRuntimeException {
+       static String parseUnaryInstruction(String instr, CPOperand in1, 
CPOperand in2, CPOperand out) {
                InstructionUtils.checkNumFields(instr, 3);
                return parse(instr, in1, in2, null, out);
        }
 
-       static String parseUnaryInstruction(String instr, CPOperand in1,
-                       CPOperand in2, CPOperand in3, CPOperand out) throws 
DMLRuntimeException {
+       static String parseUnaryInstruction(String instr, CPOperand in1, 
CPOperand in2, CPOperand in3, CPOperand out) {
                InstructionUtils.checkNumFields(instr, 4);
                return parse(instr, in1, in2, in3, out);
        }
 
-       private static String parse(String instr, CPOperand in1, CPOperand in2, 
CPOperand in3, CPOperand out) throws DMLRuntimeException {
+       private static String parse(String instr, CPOperand in1, CPOperand in2, 
CPOperand in3, CPOperand out) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(instr);
                
                // first part is the opcode, last part is the output, middle 
parts are input operands

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryMatrixCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryMatrixCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryMatrixCPInstruction.java
index e57d0e6..2855246 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryMatrixCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryMatrixCPInstruction.java
@@ -19,7 +19,6 @@
 
 package org.apache.sysml.runtime.instructions.cp;
 
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.matrix.data.LibCommonsMath;
 import org.apache.sysml.runtime.matrix.data.MatrixBlock;
@@ -32,11 +31,8 @@ public class UnaryMatrixCPInstruction extends 
UnaryCPInstruction {
        }
 
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {       
+       public void processInstruction(ExecutionContext ec) {
                String output_name = output.getName();
-               
                String opcode = getOpcode();
                if(LibCommonsMath.isSupportedUnaryOperation(opcode)) {
                        MatrixBlock retBlock = 
LibCommonsMath.unaryOperations(ec.getMatrixObject(input1.getName()),getOpcode());
@@ -46,14 +42,10 @@ public class UnaryMatrixCPInstruction extends 
UnaryCPInstruction {
                        UnaryOperator u_op = (UnaryOperator) _optr;
                        MatrixBlock inBlock = 
ec.getMatrixInput(input1.getName(), getExtendedOpcode());
                        MatrixBlock retBlock = (MatrixBlock) 
(inBlock.unaryOperations(u_op, new MatrixBlock()));
-               
                        ec.releaseMatrixInput(input1.getName(), 
getExtendedOpcode());
-                       
                        // Ensure right dense/sparse output representation 
(guarded by released input memory)
-                       if( checkGuardedRepresentationChange(inBlock, retBlock) 
) {
+                       if( checkGuardedRepresentationChange(inBlock, retBlock) 
)
                                retBlock.examSparsity();
-                       }
-                       
                        ec.setMatrixOutput(output_name, retBlock, 
getExtendedOpcode());
                }
        }

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryScalarCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryScalarCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryScalarCPInstruction.java
index fd15b80..2773084 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryScalarCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/UnaryScalarCPInstruction.java
@@ -21,7 +21,6 @@ package org.apache.sysml.runtime.instructions.cp;
 
 import org.apache.sysml.api.DMLScript;
 import org.apache.sysml.parser.Expression.ValueType;
-import org.apache.sysml.runtime.DMLRuntimeException;
 import org.apache.sysml.runtime.DMLScriptException;
 import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysml.runtime.matrix.operators.Operator;
@@ -34,9 +33,7 @@ public class UnaryScalarCPInstruction extends 
UnaryMatrixCPInstruction {
        }
 
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {       
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                ScalarObject sores = null;
                ScalarObject so = null;

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cp/VariableCPInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/VariableCPInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/VariableCPInstruction.java
index 9e81b50..99292ec 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cp/VariableCPInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cp/VariableCPInstruction.java
@@ -148,7 +148,7 @@ public class VariableCPInstruction extends CPInstruction {
                this(op, in1, in2, in3, null, md, formatProperties, schema, 
updateType, sopcode, istr);
        }
 
-       private static VariableOperationCode getVariableOperationCode ( String 
str ) throws DMLRuntimeException {
+       private static VariableOperationCode getVariableOperationCode ( String 
str ) {
                
                if ( str.equalsIgnoreCase("createvar"))
                        return VariableOperationCode.CreateVariable;
@@ -279,9 +279,7 @@ public class VariableCPInstruction extends CPInstruction {
                }
        }
        
-       public static VariableCPInstruction parseInstruction ( String str ) 
-               throws DMLRuntimeException 
-       {
+       public static VariableCPInstruction parseInstruction ( String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType ( str );
                String opcode = parts[0];
                VariableOperationCode voc = getVariableOperationCode(opcode);
@@ -467,9 +465,7 @@ public class VariableCPInstruction extends CPInstruction {
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {       
+       public void processInstruction(ExecutionContext ec) {
                switch ( opcode ) 
                { 
                case CreateVariable:
@@ -682,10 +678,9 @@ public class VariableCPInstruction extends CPInstruction {
         * Currently, applicable only when format=binaryblock.
         *  
         * @param ec execution context
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
        @SuppressWarnings("rawtypes")
-       private void processMoveInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       private void processMoveInstruction(ExecutionContext ec) {
                
                if ( getInput3() == null ) {
                        // example: mvvar tempA A
@@ -741,11 +736,10 @@ public class VariableCPInstruction extends CPInstruction {
         * Example: cpvar &lt;srcvar&gt; &lt;destvar&gt;
         * 
         * @param ec execution context
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       private void processCopyInstruction(ExecutionContext ec) throws 
DMLRuntimeException {
+       private void processCopyInstruction(ExecutionContext ec) {
                // get source variable 
-               Data dd = ec.getVariable(getInput1().getName());                
+               Data dd = ec.getVariable(getInput1().getName());
                        
                if ( dd == null ) 
                        throw new DMLRuntimeException("Unexpected error: could 
not find a data object for variable name:" + getInput1().getName() + ", while 
processing instruction " +this.toString());
@@ -770,11 +764,8 @@ public class VariableCPInstruction extends CPInstruction {
         * the format given by the corresponding symbol table entry.
         * 
         * @param ec execution context
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       private void processWriteInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
+       private void processWriteInstruction(ExecutionContext ec) {
                //get filename (literal or variable expression)
                String fname = ec.getScalarInput(getInput2().getName(), 
ValueType.STRING, getInput2().isLiteral()).getStringValue();
                String desc = ec.getScalarInput(getInput4().getName(), 
ValueType.STRING, getInput4().isLiteral()).getStringValue();
@@ -808,17 +799,12 @@ public class VariableCPInstruction extends CPInstruction {
         * 
         * @param ec execution context
         * @param varname variable name
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       public static void processRemoveVariableInstruction( ExecutionContext 
ec, String varname ) 
-               throws DMLRuntimeException
-       {
+       public static void processRemoveVariableInstruction( ExecutionContext 
ec, String varname ) {
                // remove variable from symbol table
                Data input1_data = ec.removeVariable(varname);
-               
                if ( input1_data == null )
                        throw new DMLRuntimeException("Unexpected error: could 
not find a data object for variable name:" + varname + ", while processing 
rmvar instruction.");
-
                //cleanup matrix data on fs/hdfs (if necessary)
                if ( input1_data instanceof CacheableData ) {
                        ec.cleanupCacheableData( (CacheableData<?>) input1_data 
);
@@ -830,11 +816,8 @@ public class VariableCPInstruction extends CPInstruction {
         * 
         * @param ec execution context
         * @param fname file name
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       private void writeCSVFile(ExecutionContext ec, String fname) 
-               throws DMLRuntimeException 
-       {
+       private void writeCSVFile(ExecutionContext ec, String fname) {
                MatrixObject mo = ec.getMatrixObject(getInput1().getName());
                String outFmt = "csv";
                
@@ -871,11 +854,8 @@ public class VariableCPInstruction extends CPInstruction {
         * 
         * @param ec execution context
         * @param fname file name
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       private void writeMMFile(ExecutionContext ec, String fname) 
-               throws DMLRuntimeException 
-       {
+       private void writeMMFile(ExecutionContext ec, String fname) {
                MatrixObject mo = ec.getMatrixObject(getInput1().getName());
                String outFmt = "matrixmarket";
                if(mo.isDirty()) {
@@ -907,11 +887,8 @@ public class VariableCPInstruction extends CPInstruction {
         * 
         * @param ec execution context
         * @param fname file name
-        * @throws DMLRuntimeException if DMLRuntimeException occurs
         */
-       private void writeScalarToHDFS(ExecutionContext ec, String fname) 
-               throws DMLRuntimeException 
-       {
+       private void writeScalarToHDFS(ExecutionContext ec, String fname) {
                try {
                        ScalarObject scalar = 
ec.getScalarInput(getInput1().getName(), 
                                getInput1().getValueType(), 
getInput1().isLiteral());
@@ -929,9 +906,7 @@ public class VariableCPInstruction extends CPInstruction {
                }
        }
        
-       private static void cleanDataOnHDFS(MatrixObject mo) 
-               throws DMLRuntimeException 
-       {
+       private static void cleanDataOnHDFS(MatrixObject mo) {
                try {
                        String fpath = mo.getFileName();
                        if (fpath != null) {
@@ -952,17 +927,10 @@ public class VariableCPInstruction extends CPInstruction {
                        sb.append(Lop.OPERAND_DELIMITOR);
                        sb.append(varName);
                }
-               String str = sb.toString();
-               
-               try {
-                       return parseInstruction(str);
-               } 
-               catch (DMLRuntimeException ex) {
-                       throw new RuntimeException(ex);
-               }
+               return parseInstruction(sb.toString());
        }
        
-       public static Instruction prepareCopyInstruction(String srcVar, String 
destVar) throws DMLRuntimeException {
+       public static Instruction prepareCopyInstruction(String srcVar, String 
destVar) {
                StringBuilder sb = new StringBuilder();
                sb.append("CP");
                sb.append(Lop.OPERAND_DELIMITOR);
@@ -971,12 +939,10 @@ public class VariableCPInstruction extends CPInstruction {
                sb.append(srcVar);
                sb.append(Lop.OPERAND_DELIMITOR);
                sb.append(destVar);
-               String str = sb.toString();
-
-               return parseInstruction(str);
+               return parseInstruction(sb.toString());
        }
        
-       public static Instruction prepareMoveInstruction(String srcVar, String 
destFileName, String format) throws DMLRuntimeException {
+       public static Instruction prepareMoveInstruction(String srcVar, String 
destFileName, String format) {
                StringBuilder sb = new StringBuilder();
                sb.append("CP");
                sb.append(Lop.OPERAND_DELIMITOR);
@@ -988,11 +954,10 @@ public class VariableCPInstruction extends CPInstruction {
                sb.append(Lop.OPERAND_DELIMITOR);
                sb.append(format);
                String str = sb.toString();
-
                return parseInstruction(str);
        }
        
-       public static Instruction prepareMoveInstruction(String srcVar, String 
destVar) throws DMLRuntimeException {
+       public static Instruction prepareMoveInstruction(String srcVar, String 
destVar) {
                // example: mvvar tempA A 
                StringBuilder sb = new StringBuilder();
                sb.append("CP");
@@ -1003,7 +968,6 @@ public class VariableCPInstruction extends CPInstruction {
                sb.append(Lop.OPERAND_DELIMITOR);
                sb.append(destVar);
                String str = sb.toString();
-
                return parseInstruction(str);
        }
        
@@ -1031,11 +995,11 @@ public class VariableCPInstruction extends CPInstruction 
{
                return sb.toString();
        }
        
-       public static Instruction prepareCreateMatrixVariableInstruction(String 
varName, String fileName, boolean fNameOverride, String format) throws 
DMLRuntimeException {
+       public static Instruction prepareCreateMatrixVariableInstruction(String 
varName, String fileName, boolean fNameOverride, String format) {
                return parseInstruction(getBasicCreateVarString(varName, 
fileName, fNameOverride, DataType.MATRIX, format));
        }
 
-       public static Instruction prepareCreateVariableInstruction(String 
varName, String fileName, boolean fNameOverride, DataType dt, String format, 
MatrixCharacteristics mc, UpdateType update) throws DMLRuntimeException {
+       public static Instruction prepareCreateVariableInstruction(String 
varName, String fileName, boolean fNameOverride, DataType dt, String format, 
MatrixCharacteristics mc, UpdateType update) {
                StringBuilder sb = new StringBuilder();
                sb.append(getBasicCreateVarString(varName, fileName, 
fNameOverride, dt, format));
                
@@ -1057,7 +1021,7 @@ public class VariableCPInstruction extends CPInstruction {
                return parseInstruction(str);
        }       
        
-       public static Instruction prepareCreateVariableInstruction(String 
varName, String fileName, boolean fNameOverride, DataType dt, String format, 
MatrixCharacteristics mc, UpdateType update, boolean hasHeader, String delim, 
boolean sparse) throws DMLRuntimeException {
+       public static Instruction prepareCreateVariableInstruction(String 
varName, String fileName, boolean fNameOverride, DataType dt, String format, 
MatrixCharacteristics mc, UpdateType update, boolean hasHeader, String delim, 
boolean sparse) {
                StringBuilder sb = new StringBuilder();
                sb.append(getBasicCreateVarString(varName, fileName, 
fNameOverride, dt, format));
                
@@ -1087,9 +1051,7 @@ public class VariableCPInstruction extends CPInstruction {
        }       
        
        @Override
-       public void updateInstructionThreadID(String pattern, String replace)
-               throws DMLRuntimeException
-       {
+       public void updateInstructionThreadID(String pattern, String replace) {
                if(    opcode == VariableOperationCode.CreateVariable
                        || opcode == VariableOperationCode.SetFileName )
                {

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cpfile/MatrixIndexingCPFileInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cpfile/MatrixIndexingCPFileInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cpfile/MatrixIndexingCPFileInstruction.java
index 6ebdbf6..4503553 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cpfile/MatrixIndexingCPFileInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cpfile/MatrixIndexingCPFileInstruction.java
@@ -50,9 +50,7 @@ public final class MatrixIndexingCPFileInstruction extends 
IndexingCPInstruction
                super(op, in, rl, ru, cl, cu, out, opcode, istr);
        }
 
-       public static MatrixIndexingCPFileInstruction parseInstruction ( String 
str ) 
-               throws DMLRuntimeException 
-       {               
+       public static MatrixIndexingCPFileInstruction parseInstruction ( String 
str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                String opcode = parts[0];
                
@@ -82,9 +80,7 @@ public final class MatrixIndexingCPFileInstruction extends 
IndexingCPInstruction
        }
        
        @Override
-       public void processInstruction(ExecutionContext ec)
-                       throws DMLRuntimeException 
-       {       
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                IndexRange ixrange = getIndexRange(ec).add(1);
                MatrixObject mo = ec.getMatrixObject(input1.getName());

http://git-wip-us.apache.org/repos/asf/systemml/blob/1f323976/src/main/java/org/apache/sysml/runtime/instructions/cpfile/ParameterizedBuiltinCPFileInstruction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/sysml/runtime/instructions/cpfile/ParameterizedBuiltinCPFileInstruction.java
 
b/src/main/java/org/apache/sysml/runtime/instructions/cpfile/ParameterizedBuiltinCPFileInstruction.java
index f656216..f9596b0 100644
--- 
a/src/main/java/org/apache/sysml/runtime/instructions/cpfile/ParameterizedBuiltinCPFileInstruction.java
+++ 
b/src/main/java/org/apache/sysml/runtime/instructions/cpfile/ParameterizedBuiltinCPFileInstruction.java
@@ -80,9 +80,7 @@ public class ParameterizedBuiltinCPFileInstruction extends 
ParameterizedBuiltinC
                super(op, paramsMap, out, opcode, istr);
        }
 
-       public static ParameterizedBuiltinCPFileInstruction parseInstruction( 
String str ) 
-               throws DMLRuntimeException 
-       {
+       public static ParameterizedBuiltinCPFileInstruction parseInstruction( 
String str ) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                // first part is always the opcode
                String opcode = parts[0];
@@ -104,9 +102,7 @@ public class ParameterizedBuiltinCPFileInstruction extends 
ParameterizedBuiltinC
        }
        
        @Override 
-       public void processInstruction(ExecutionContext ec) 
-               throws DMLRuntimeException 
-       {
+       public void processInstruction(ExecutionContext ec) {
                String opcode = getOpcode();
                
                if ( opcode.equalsIgnoreCase("rmempty") ) 
@@ -149,12 +145,7 @@ public class ParameterizedBuiltinCPFileInstruction extends 
ParameterizedBuiltinC
                        _out = out;
                }
 
-               public MatrixObject execute() 
-                       throws DMLRuntimeException 
-               {
-                       //Timing time = new Timing();
-                       //time.start();
-                       
+               public MatrixObject execute() {
                        //initial setup
                        String fnameOld = _src.getFileName();
                        String fnameNew = _out.getFileName();
@@ -212,9 +203,7 @@ public class ParameterizedBuiltinCPFileInstruction extends 
ParameterizedBuiltinC
                                return createNewOutputObject(_src, _out, 
mc.getRows(), ret );
                }
 
-               private static MatrixObject createNewOutputObject( MatrixObject 
src, MatrixObject out, long rows, long cols ) 
-                       throws DMLRuntimeException
-               {
+               private static MatrixObject createNewOutputObject( MatrixObject 
src, MatrixObject out, long rows, long cols ) {
                        String fName = out.getFileName();
                        MetaDataFormat metadata = (MetaDataFormat) 
src.getMetaData();
                        MatrixObject moNew = new 
MatrixObject(src.getValueType(), fName);
@@ -348,11 +337,10 @@ public class ParameterizedBuiltinCPFileInstruction 
extends ParameterizedBuiltinC
                 * @param stagingDir staging directory
                 * @return true if diag
                 * @throws IOException if IOException occurs
-                * @throws DMLRuntimeException if DMLRuntimeException occurs
                 */
                @SuppressWarnings("deprecation")
                public boolean createBinaryBlockStagingFile( String fnameOld, 
String stagingDir ) 
-                       throws IOException, DMLRuntimeException
+                       throws IOException
                {
                        //prepare input
                        JobConf job = new 
JobConf(ConfigurationManager.getCachedJobConf());     
@@ -389,33 +377,25 @@ public class ParameterizedBuiltinCPFileInstruction 
extends ParameterizedBuiltinC
                        return diagBlocks;
                }
 
-               private static void appendCellBufferToStagingArea( String dir, 
LinkedList<Cell> buffer, int brlen, int bclen ) 
-                       throws DMLRuntimeException, IOException
-               {
+               private static void appendCellBufferToStagingArea( String dir, 
LinkedList<Cell> buffer, int brlen, int bclen ) throws IOException {
                        HashMap<String,LinkedList<Cell>> sortedBuffer = new 
HashMap<>();
-                       
                        //sort cells in buffer wrt key
                        String key = null;
-                       for( Cell c : buffer )
-                       {
+                       for( Cell c : buffer ) {
                                key = (c.getRow()/brlen+1) 
+"_"+(c.getCol()/bclen+1);
-                               
                                if( !sortedBuffer.containsKey(key) )
                                        sortedBuffer.put(key, new 
LinkedList<Cell>());
                                sortedBuffer.get(key).addLast(c);
-                       }       
-                       
+                       }
                        //write lists of cells to local files
-                       for( Entry<String,LinkedList<Cell>> e : 
sortedBuffer.entrySet() )
-                       {
-                               
+                       for( Entry<String,LinkedList<Cell>> e : 
sortedBuffer.entrySet() ) {
                                String pfname = dir + "/" + e.getKey();
                                StagingFileUtils.writeCellListToLocal(pfname, 
e.getValue());
                        }
-               }       
+               }
 
                private long createKeyMapping( String stagingDir, long rlen, 
long clen, int brlen, int bclen, InputInfo ii) 
-                       throws FileNotFoundException, IOException, 
DMLRuntimeException 
+                       throws FileNotFoundException, IOException 
                {
                        String metaOut = stagingDir+"/meta";
                        

Reply via email to