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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2019/11/15 03:55:19 UTC
[GitHub] [incubator-tvm] FrozenGene opened a new pull request #4344:
[ThreadPool] Solve thread transitions issue
FrozenGene opened a new pull request #4344: [ThreadPool] Solve thread transitions issue
URL: https://github.com/apache/incubator-tvm/pull/4344
This pr solved thread transitions issue.
When we use OpenCV + TVM, we will occur much thread transitions so that OpenCV + TVM is slow. Auto tuning has issue too. The reason is we bind task 0 to master cpu by default.
More detail / background and reproduce test case: https://discuss.tvm.ai/t/use-tvm-darknet-to-detect-vidoes-after-relay-build-module-build-cv2-ops-cost-much-more-time/4730/
After this PR, we don't bind task 0 to master cpu by default but export one environment `TVM_EXCLUDE_WORKER0` to set. If users set `TVM_EXCLUDE_WORKER0` be 1, we will bind task 0 to master as previous.
@vinx13 @yidawang @tqchen
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