larroy edited a comment on issue #12994: Test failure and possible bug on GPU topology algorithm (test_device.test_device_pushpull) URL: https://github.com/apache/incubator-mxnet/issues/12994#issuecomment-436362959 I tried to reproduce in p3.16xlarge but didn't make it to fail: compiled with: Executed: ``` nosetests -s --with-timer --with-xunit --xunit-file nosetests_unittest_testdevice.xml --verbose tests/python/gpu/test_device.py 2>&1 | tee unittest_testdevice.log ---------------------------------------------------------------------- XML: /home/piotr/mxnet/nosetests_unittest_testdevice.xml [success] 100.00% test_device.test_device_pushpull: 0.0010s ---------------------------------------------------------------------- Ran 1 test in 0.002s ``` Compiled with: ``` #!/bin/bash set -e set -x renice -n 19 -p $$ mkdir -p build && cd build #cmake -DUSE_CPP_PACKAGE=ON -DUSE_CUDA=OFF -DUSE_OPENMP=OFF -DUSE_OPENCV=ON -DCMAKE_BUILD_TYPE=Debug .. cmake\ -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \ -DCMAKE_C_COMPILER_LAUNCHER=ccache \ -DUSE_CPP_PACKAGE=ON\ -DUSE_CUDA=ON\ -DUSE_OPENMP=ON\ -DUSE_OPENCV=ON\ -DCMAKE_BUILD_TYPE=Release\ -GNinja .. ninja -v #cmake -DUSE_CPP_PACKAGE=ON -DUSE_CUDA=OFF -DUSE_OPENMP=OFF -DUSE_OPENCV=ON .. #VERBOSE=1 make -j5 cd .. if [ ! -d mxnet_py3 ]; then virtualenv -p `which python3` mxnet_py3 fi source mxnet_py3/bin/activate cd python pip install -e . cd .. pip install opencv-python pip install ipython pip install matplotlib pip install nose pip install nose-timer ``` ######## commit 722ad7a7de8390372a27cc52725bdcf29b242ea9
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