icemelon9 commented on issue #17641: OpenMP Error URL: https://github.com/apache/incubator-mxnet/issues/17641#issuecomment-590174397 Sorry about the late response. Here's the script to reproduce the error message. ```python import numpy as np import mxnet as mx a = mx.nd.array(np.random.uniform(size=(1024, 128)).astype('float32')) b = mx.nd.array(np.random.uniform(size=(128, 1024)).astype('float32')) c = mx.nd.dot(a, b) c.wait_to_read() ``` The following shows shared library used by libmxnet on my machine. ``` mxnet git:(master) ldd build/libmxnet.so linux-vdso.so.1 (0x00007ffd8b467000) libmkl_rt.so => /opt/intel/mkl/lib/intel64/libmkl_rt.so (0x00007f1abac81000) librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f1abaa79000) libopencv_imgcodecs.so.3.2 => /usr/lib/x86_64-linux-gnu/libopencv_imgcodecs.so.3.2 (0x00007f1aba840000) libopencv_imgproc.so.3.2 => /usr/lib/x86_64-linux-gnu/libopencv_imgproc.so.3.2 (0x00007f1aba2ef000) libopencv_core.so.3.2 => /usr/lib/x86_64-linux-gnu/libopencv_core.so.3.2 (0x00007f1ab9eb4000) libomp.so => /home/ubuntu/repo/mxnet/build/3rdparty/openmp/runtime/src/libomp.so (0x00007f1ab9bce000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1ab99ca000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f1ab97ab000) libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f1ab9422000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1ab9084000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f1ab8e6c000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1ab8a7b000) ... ``` ``` mxnet git:(master) readelf -a build/libmxnet.so| grep NEEDED 0x0000000000000001 (NEEDED) Shared library: [libmkl_rt.so] 0x0000000000000001 (NEEDED) Shared library: [librt.so.1] 0x0000000000000001 (NEEDED) Shared library: [libopencv_imgcodecs.so.3.2] 0x0000000000000001 (NEEDED) Shared library: [libopencv_imgproc.so.3.2] 0x0000000000000001 (NEEDED) Shared library: [libopencv_core.so.3.2] 0x0000000000000001 (NEEDED) Shared library: [libomp.so] 0x0000000000000001 (NEEDED) Shared library: [libdl.so.2] 0x0000000000000001 (NEEDED) Shared library: [libpthread.so.0] 0x0000000000000001 (NEEDED) Shared library: [libstdc++.so.6] 0x0000000000000001 (NEEDED) Shared library: [libm.so.6] 0x0000000000000001 (NEEDED) Shared library: [libgcc_s.so.1] 0x0000000000000001 (NEEDED) Shared library: [libc.so.6] 0x0000000000000001 (NEEDED) Shared library: [ld-linux-x86-64.so.2] ```
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