chrishkchris commented on a change in pull request #716:
URL: https://github.com/apache/singa/pull/716#discussion_r436274471
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File path: src/io/communicator.cc
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@@ -134,7 +131,6 @@ void Communicator::sparsInit() {
CUDA_CHECK(cudaMalloc(&xInd, (int)(sizeof(int) * maxSize)));
CUDA_CHECK(cudaMalloc(&xVal, (int)(sizeof(float) * maxSize)));
CUSPARSE_CHECK(cusparseCreate(&cusparse_handle));
- CUSPARSE_CHECK(cusparseSetStream(cusparse_handle, c2));
Review comment:
Yes, now the stream is not in the communicator.
Even in the orginal version, I was using different streams for different
operations in cusparse.
The API let me select the cuda stream for cusparse right before calling the
cusparse operators, it let the users to use different streams for different
cusparse operations
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