Hi Dave, Thanks a lot for your help. As I'm doing some very simple tests, I will try some old revision... for the time being whilst you enjoy some days off :)
Cheers :) Richard Gomes http://www.jquantlib.org/index.php/User:RichardGomes twitter: frgomes JQuantLib is a library for Quantitative Finance written in Java. http://www.jquantlib.com/ twitter: jquantlib On 28/02/11 07:52, Dave Cunningham wrote: > I was able to reproduce this and got this trace from valgrind but I'm on > vacation for a week so cannot debug further > > ==23823== Invalid read of size 1 > ==23823== at 0x4027411: memcpy (mc_replace_strmem.c:497) > ==23823== by 0x80CD8F3: x10aux::deserialization_buffer::Read<unsigned > int>::_(x10aux::deserialization_buffer&) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x80CDE74: unsigned int > x10aux::deserialization_buffer::read<unsigned int>() (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x80CDE91: unsigned int > x10aux::deserialization_buffer::peek<unsigned int>() (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x8155E16: > x10aux::deserialization_buffer::Read<x10aux::ref<x10::io::SerialData> >> ::_(x10aux::deserialization_buffer&) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x815636A: x10aux::ref<x10::io::SerialData> > x10aux::deserialization_buffer::read<x10aux::ref<x10::io::SerialData> >() > (in /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x440981F: > x10::io::SerialData::_deserialize_body(x10aux::deserialization_buffer&) (in > /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x440B031: x10aux::ref<x10::lang::Reference> > x10::io::SerialData::_deserializer<x10::lang::Reference>(x10aux::deserialization_buffer&) > (in /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x4A81A27: > x10aux::DeserializationDispatcher::create_(x10aux::deserialization_buffer&, > short) (in /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x4A7EDAF: > x10aux::DeserializationDispatcher::create(x10aux::deserialization_buffer&, > short) (in /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x4A850B6: > x10aux::deserialization_buffer::deserialize_reference(x10aux::deserialization_buffer&) > (in /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x815632E: > x10aux::deserialization_buffer::Read<x10aux::ref<x10::io::SerialData> >> ::_(x10aux::deserialization_buffer&) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== Address 0x615777d is 1 bytes after a block of size 28 alloc'd > ==23823== at 0x4025BD3: malloc (vg_replace_malloc.c:236) > ==23823== by 0x4C8FFAC: unsigned char* safe_malloc<unsigned > char>(unsigned int, unsigned int) (in > /home/spark/x10-dbg/x10.dist/lib/libx10rt_sockets.so) > ==23823== by 0x4C92134: x10rt_cuda_send_put (in > /home/spark/x10-dbg/x10.dist/lib/libx10rt_sockets.so) > ==23823== by 0x4C8D0B2: x10rt_lgl_send_put (in > /home/spark/x10-dbg/x10.dist/lib/libx10rt_sockets.so) > ==23823== by 0x4C8BA15: x10rt_send_put (in > /home/spark/x10-dbg/x10.dist/lib/libx10rt_sockets.so) > ==23823== by 0x4A7B65E: x10aux::send_put(int, short, > x10aux::serialization_buffer&, void*, unsigned int) (in > /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x4AB7212: x10::util::IMC_copyToBody(void*, void*, int, > x10::lang::Place, bool, x10aux::ref<x10::lang::Reference>) (in > /home/spark/x10-dbg/x10.dist/stdlib/lib/libx10.so) > ==23823== by 0x815D8E3: void > x10::util::IndexedMemoryChunk<void>::asyncCopy<float>(x10::util::IndexedMemoryChunk<float>, > int, x10::util::RemoteIndexedMemoryChunk<float>, int, int) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x815D97A: void > x10::util::CUDAUtilities::initCUDAArray<float>(x10::util::IndexedMemoryChunk<float>, > x10::util::RemoteIndexedMemoryChunk<float>, int) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x815EEB0: x10aux::ref<x10::array::RemoteArray<float> > > x10::util::CUDAUtilities::makeCUDAArray<float>(x10::lang::Place, int, > x10::util::IndexedMemoryChunk<float>) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x815F442: x10aux::ref<x10::array::RemoteArray<float> > > x10::util::CUDAUtilities::makeRemoteArray<float>(x10::lang::Place, int, > x10aux::ref<x10::array::Array<float> >) (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > ==23823== by 0x8161877: KMeansCUDA__closure__2::__apply() (in > /home/spark/work/17/KMeansCUDA.sockets.dbg) > > > > On Sun, Feb 27, 2011 at 2:45 AM, Richard Gomes<rgomes1...@yahoo.co.uk>wrote: > >> Hi guys, >> >> I'm getting segmentation fault on all CUDA samples, except CUDATopology. >> Are you observing the same kind of problem? >> If not, which compilation options are you using? Any help is much >> appreciated. >> >> >> I added this method to CUDATopology: >> >> >> public static def cells(p:Place) : Int = { >> if (p.isCUDA()) { >> val remote = CUDAUtilities.makeRemoteArray[Int](p, 1, 0); >> finish async at (p) @CUDA @CUDADirectParams { >> val blocks = CUDAUtilities.autoBlocks(); >> val threads = CUDAUtilities.autoThreads(); >> finish for (block in 0..0) async { >> clocked finish for (thread in 0..0) clocked async { >> remote(0) = blocks * threads; >> } >> } >> } >> val local = new Array[Int](1); >> finish Array.asyncCopy(remote, 0, local, 0, 1); >> return local(0); >> } else if (p.isSPE()) { >> return 1; // TODO: should return something else? >> } else { >> return 1; // TODO: should return the number of cores? >> } >> } >> >> >> This is the compilation, using v2.1.2: >> >> >> $ echo x10c++ ${X10C_OPTS} -report postcompile=5 CUDATopology.x10 -o >> CUDATopology >> x10c++ -NO_CHECKS -STATIC_CALLS -report postcompile=5 CUDATopology.x10 >> -o CUDATopology >> $ >> $ >> $ x10c++ ${X10C_OPTS} -report postcompile=5 CUDATopology.x10 -o >> CUDATopology >> Output files: [CUDATopology.h, CUDATopology.cu, CUDATopology.cc] >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_10 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_10.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_11 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_11.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_12 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_12.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_13 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_13.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_20 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_20.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_21 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_21.cubin CUDATopology.cu >> Executing post-compiler nvcc --cubin -Xptxas -v -arch=sm_30 >> -Inull/include -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -o >> CUDATopology_sm_30.cubin CUDATopology.cu >> Executing post-compiler g++ -I/opt/JavaIDE/x10-2.1.2-linux_x86/include >> -I/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/include -I/home/rgomes/tmp -I. >> -Wno-long-long -Wno-unused-parameter -DNO_CHECKS -DX10_USE_BDWGC >> -pthread -o /home/rgomes/tmp/CUDATopology CUDATopology.cc >> xxx_main_xxx.cc -L/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/lib -lx10 -lgc >> -lm -lpthread -lrt -ldl -L/opt/JavaIDE/x10-2.1.2-linux_x86/lib >> -lx10rt_sockets -Wl,--rpath >> -Wl,/opt/JavaIDE/x10-2.1.2-linux_x86/stdlib/lib -Wl,--rpath >> -Wl,/opt/JavaIDE/x10-2.1.2-linux_x86/lib -Wl,-export-dynamic >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_10' >> ptxas info : Used 3 registers, 24+16 bytes smem, 65536 bytes cmem[0] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_11' >> ptxas info : Used 3 registers, 24+16 bytes smem, 65536 bytes cmem[0] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_12' >> ptxas info : Used 3 registers, 24+16 bytes smem, 65536 bytes cmem[0] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_13' >> ptxas info : Used 3 registers, 24+16 bytes smem, 65536 bytes cmem[0] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_20' >> ptxas info : Used 4 registers, 56 bytes cmem[0], 65536 bytes cmem[2] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_21' >> ptxas info : Used 4 registers, 56 bytes cmem[0], 65536 bytes cmem[2] >> x10c++: ptxas info : Compiling entry function 'CUDATopology__closure__1' >> for 'sm_30' >> ptxas info : Used 4 registers, 56 bytes cmem[0], 65536 bytes cmem[2] >> >> >> Thanks a lot :) >> >> -- >> Richard Gomes >> http://www.jquantlib.org/index.php/User:RichardGomes >> twitter: frgomes >> >> JQuantLib is a library for Quantitative Finance written in Java. >> http://www.jquantlib.com/ >> twitter: jquantlib >> >> >> ------------------------------------------------------------------------------ >> Free Software Download: Index, Search& Analyze Logs and other IT data in >> Real-Time with Splunk. 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