sunjiweiswift commented on code in PR #11448:
URL: https://github.com/apache/tvm/pull/11448#discussion_r894103170
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src/runtime/thread_pool.cc:
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@@ -116,9 +115,16 @@ class ParallelLauncher {
num_pending_.fetch_sub(1);
par_errors_[task_id] = TVMGetLastError();
has_error_.store(true);
+ std::unique_lock<std::mutex> lock(finish_mutex_);
+ finish_cv_.notify_all();
}
// Signal that one job has finished.
- void SignalJobFinish() { num_pending_.fetch_sub(1); }
+ void SignalJobFinish() {
+ if (num_pending_.fetch_sub(1) <= 1) {
Review Comment:
atomic waitis a cleaner solution, but need c++20. Not very friendly to users
who have alerady use TVM Runtime, Need update C++ compiler.
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