As Theano says we can sent this warning here, I do it. It is very important to me solving this, because I think this is the reason I have very slow training.
WARNING (theano.gof.cmodule): OPTIMIZATION WARNING: Theano was not able to find the g++ parameters that tune the compilation to your specific CPU. This can slow down the execution of Theano functions. Please submit the following lines to Theano's mailing list so that we can fix this problem: ['# 1 "-"\n', 'icpc version 17.0.1 (gcc version 4.8.0 compatibility)\n', '/opt/intel/compilers_and_libraries_2017.1.132/linux/bin/intel64/mcpcom --target_efi2 -_g -mP3OPT_inline_alloca -D__ICC=1700 -D__INTEL_COMPILER=1700 -D__INTEL_COMPILER_UPDATE=1 -D__PTRDIFF_TYPE__=long "-D__SIZE_TYPE__=unsigned long" -D__WCHAR_TYPE__=int "-D__WINT_TYPE__=unsigned int" "-D__INTMAX_TYPE__=long int" "-D__UINTMAX_TYPE__=long unsigned int" -D__LONG_MAX__=9223372036854775807L -D__QMSPP_ -D__OPTIMIZE__ -D__NO_MATH_INLINES -D__NO_STRING_INLINES -D__GNUC_GNU_INLINE__ -D__GNUC__=4 -D__GNUC_MINOR__=8 -D__GNUC_PATCHLEVEL__=0 -D__LP64__ -D_LP64 -D__GXX_ABI_VERSION=1002 "-D__USER_LABEL_PREFIX__= " -D__REGISTER_PREFIX__= -D__INTEL_RTTI__ -D__unix__ -D__unix -D__linux__ -D__linux -D__gnu_linux__ -B -Dunix -Dlinux "-_Asystem(unix)" -D__ELF__ -D__x86_64 -D__x86_64__ -D__amd64 -D__amd64__ "-_Acpu(x86_64)" "-_Amachine(x86_64)" -D__INTEL_COMPILER_BUILD_DATE=20161005 -D__INTEL_OFFLOAD -D__pentium4 -D__pentium4__ -D__tune_pentium4__ -D__SSE2__ -D__SSE2_MATH__ -D__SSE3__ -D__SSSE3__ -D__SSE4_1__ -D__SSE4_2__ -D__SSE__ -D__SSE_MATH__ -D__MMX__ -D__AVX__ -_k -_8 -_l --has_new_stdarg_support -_a -_b -E --gnu_version=40800 -_W5 --gcc-extern-inline --multibyte_chars -mGLOB_diag_suppress_sys --array_section --simd --simd_func --offload_mode=1 --offload_target_names=gfx,GFX,mic,MIC --offload_unique_string=icpc1145998360jqCGIp -mP1OPT_print_version=FALSE -mGLOB_em64t=TRUE -mP1OPT_version=17.0-intel64 -mGLOB_long_size_64 -mGLOB_routine_pointer_size_64 -\n', '#include "..." search starts here:\n', '#include <...> search starts here:\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/ipp/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/mkl/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/tbb/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/daal/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/ipp/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/mkl/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/tbb/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/daal/include\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/compiler/include/intel64\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/compiler/include/icc\n', ' /opt/intel/compilers_and_libraries_2017.1.132/linux/compiler/include\n', ' /usr/local/include\n', ' /usr/lib/gcc/x86_64-linux-gnu/4.8/include\n', ' /usr/lib/gcc/x86_64-linux-gnu/4.8/include-fixed\n', ' /usr/include/\n', ' /usr/include\n', ' /usr/include/x86_64-linux-gnu\n', 'End of search list.\n'] My g++ --version output command: ~$ g++ --version g++ (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 Copyright (C) 2013 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Please help, given I have not GPUs I installed https://github.com/intel/Theano and Intel® *Parallel* Studio XE *2017 *and my ~/.theanorc file is as follows: [global] device = cpu floatX = float32 cxx = icpc mode = FAST_RUN openmp = True openmp_elemwise_minsize = 10 allow_gc = False [dnn] enabled = mkl [gcc] #cxxflags = -qopenmp -march=native -O3 -qopt-report=3 -fno-alias -qopt-prefetch =2 -fp-trap=none cxxflags = -qopenmp -O3 -qopt-report=3 -fno-alias -qopt-prefetch=2 -fp-trap =non e [blas] ldflags = -lmkl_rt I did this as one of the suggestions from someone here: http://stackoverflow.com/questions/41583628/efficient-kernel-implementation-in-theano In the case you suggest something else to do, it would be very appreciated if you can tell me. Thanks -- --- You received this message because you are subscribed to the Google Groups "theano-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to theano-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
