Synchronize CUDA device in MPI ghost exchange #8880
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Thanks! I tested the pull request locally and it fixes a number of tests when running with CUDA-aware MPI. Hence, I am fine without another test. |
masterleinad
approved these changes
Oct 1, 2019
peterrum
approved these changes
Oct 1, 2019
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As discussed in #8875: we need to make sure the CUDA kernels are done before we try to send data over the network with CUDA-aware MPI.