k128 edited a comment on issue #14664: mxnet-cu100mkl "illegal instruction" on CPU URL: https://github.com/apache/incubator-mxnet/issues/14664#issuecomment-577665393 I might be doing something completely wrong here, but I installed MKL via APT without error and used the code on this page in order: https://mxnet.apache.org/api/python/docs/tutorials/performance/backend/mkldnn/mkldnn_readme.html Exact code I ran: #Installing MKL sudo bash cd /tmp wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB rm GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB exit sudo wget https://apt.repos.intel.com/setup/intelproducts.list -O /etc/apt/sources.list.d/intelproducts.list sudo apt update sudo apt install intel-mkl-64bit-2020.0-088 #Building MXNet sudo apt install -y build-essential git libopenblas-dev liblapack-dev libopencv-dev graphviz git clone --recursive https://github.com/apache/incubator-mxnet.git cd incubator-mxnet mkdir build && cd build cmake -DUSE_CUDA=OFF -DUSE_MKL_IF_AVAILABLE=ON -DUSE_MKLDNN=ON -DUSE_OPENMP=ON -DUSE_OPENCV=ON .. make -j $(nproc) Results: Lots of warnings like: /home/k64/incubator-mxnet/src/operator/numpy/./../nn/../tensor/././elemwise_unary_op.h:262:50: warning: typedef ‘DType’ locally defined but not used [-Wunused-local-typedefs] MXNET_INT_TYPE_SWITCH(outputs[0].type_flag_, DType, { Errors: CMakeFiles/Makefile2:1165: recipe for target 'CMakeFiles/mxnet_static.dir/all' failed make[1]: *** [CMakeFiles/mxnet_static.dir/all] Error 2 Makefile:140: recipe for target 'all' failed make: *** [all] Error 2
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