“MKL library not found” Torch7

Written by iassael on 01/03/2016. Posted in machine learning

Installing Torch with MKL support can be tricky. I had installed MKL (or Parallel Studio XE) and still Torch installation was not detecting MKL. After a long caffeinated night I found that the problem relies on the lib and include paths of CMAKE. So, given that you have already added that to your .bashrc (Ubuntu Linux) / .bash_profile (MacOSX):

. /opt/intel/bin/compilervars.sh intel64

Then all you need to do for Ubuntu is:

export CMAKE_INCLUDE_PATH=$CMAKE_INCLUDE_PATH:/opt/intel/compilers_and_libraries/linux/include:/opt/intel/mkl/include
export CMAKE_LIBRARY_PATH=$CMAKE_LIBRARY_PATH:/opt/intel/compilers_and_libraries/linux/lib/intel64:/opt/intel/mkl/lib/intel64

and for MACOSX:

export CMAKE_INCLUDE_PATH=$CMAKE_INCLUDE_PATH:/opt/intel/compilers_and_libraries/mac/include:/opt/intel/mkl/include
export CMAKE_LIBRARY_PATH=$CMAKE_LIBRARY_PATH:/opt/intel/compilers_and_libraries/mac/lib:/opt/intel/mkl/lib

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