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new 14b62259 [incubator-kie-issues#1350] Create AST benchmarks module to
directly measure BaseNode's evaluation times. Implemented
ForExpressionNodeBenchmark (#289)
14b62259 is described below
commit 14b622596ed20c1983d1375b5c78a65d41999f73
Author: Gabriele Cardosi <[email protected]>
AuthorDate: Thu Aug 15 10:42:30 2024 +0200
[incubator-kie-issues#1350] Create AST benchmarks module to directly
measure BaseNode's evaluation times. Implemented ForExpressionNodeBenchmark
(#289)
Co-authored-by: Gabriele-Cardosi <[email protected]>
---
.../benchmarks/dmn/ast/AbstractASTBenchmark.java | 82 ++++++++++++++++++++++
.../dmn/ast/ForExpressionNodeBenchmark.java | 37 ++++++++++
2 files changed, 119 insertions(+)
diff --git
a/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/AbstractASTBenchmark.java
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/AbstractASTBenchmark.java
new file mode 100644
index 00000000..0e17007c
--- /dev/null
+++
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/AbstractASTBenchmark.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.drools.benchmarks.dmn.ast;
+
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.kie.dmn.feel.lang.EvaluationContext;
+import org.kie.dmn.feel.lang.FEELDialect;
+import org.kie.dmn.feel.lang.Type;
+import org.kie.dmn.feel.lang.ast.BaseNode;
+import org.kie.dmn.feel.lang.impl.EvaluationContextImpl;
+import org.kie.dmn.feel.parser.feel11.ASTBuilderVisitor;
+import org.kie.dmn.feel.parser.feel11.FEELParser;
+import org.kie.dmn.feel.parser.feel11.FEEL_1_1Parser;
+import org.kie.dmn.feel.util.ClassLoaderUtil;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+@BenchmarkMode(Mode.AverageTime)
+@State(Scope.Thread)
+@Warmup(iterations = 100, time = 200, timeUnit = TimeUnit.MILLISECONDS)
+@Measurement(iterations = 20, time = 200, timeUnit = TimeUnit.MILLISECONDS)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+public abstract class AbstractASTBenchmark {
+
+ private BaseNode baseNode;
+
+ @Setup()
+ public void setupBaseNode() {
+ baseNode = getBaseNode(getBaseNodeExpression());
+ }
+
+ protected abstract String getBaseNodeExpression();
+
+ @Benchmark
+ public Object evaluateBaseNodeBenchmark() {
+ return baseNode.evaluate(newEmptyEvaluationContext());
+ }
+
+ private static EvaluationContext newEmptyEvaluationContext() {
+ // Defaulting FEELDialect to FEEL
+ return new
EvaluationContextImpl(ClassLoaderUtil.findDefaultClassLoader(), null,
FEELDialect.FEEL);
+ }
+
+ private static BaseNode getBaseNode(String baseNodeExpression) {
+ Map<String, Type> inputTypes = Collections.emptyMap();
+ FEEL_1_1Parser parser = FEELParser.parse(null, baseNodeExpression,
inputTypes, Collections.emptyMap(), Collections.emptyList(),
Collections.emptyList(), null);
+
+ ParseTree tree = parser.compilation_unit();
+
+ ASTBuilderVisitor v = new ASTBuilderVisitor(inputTypes, null);
+ return tree.accept(v);
+ }
+
+}
diff --git
a/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/ForExpressionNodeBenchmark.java
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/ForExpressionNodeBenchmark.java
new file mode 100644
index 00000000..cd942aa3
--- /dev/null
+++
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/dmn/ast/ForExpressionNodeBenchmark.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.drools.benchmarks.dmn.ast;
+
+import org.openjdk.jmh.annotations.Param;
+
+public class ForExpressionNodeBenchmark extends AbstractASTBenchmark {
+
+ @Param({"for x in [ 1, 2, 3, 4 ] return x",
+ "for x in [ [1, 2], [3, 4] ] return x",
+ "for x in [ 1, 2, 3, 4 ], y in x return y",
+ "for x in [ [1,2], [3,4] ], y in x return y"
+ })
+ private String baseNodeExpression;
+
+ @Override
+ public String getBaseNodeExpression() {
+ return baseNodeExpression;
+ }
+}
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