tqchen commented on a change in pull request #4344: [ThreadPool] Solve thread
transitions issue
URL: https://github.com/apache/incubator-tvm/pull/4344#discussion_r348648828
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File path: src/runtime/threading_backend.cc
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@@ -133,22 +133,39 @@ class ThreadGroup::Impl {
sizeof(cpu_set_t), &cpuset);
#endif
}
- if (exclude_worker0) { // bind the master thread to core 0
- cpu_set_t cpuset;
- CPU_ZERO(&cpuset);
- if (reverse) {
- CPU_SET(sorted_order_[sorted_order_.size() - 1], &cpuset);
- } else {
- CPU_SET(sorted_order_[0], &cpuset);
+ if (exclude_worker0) { // master thread run task
+#if defined(__ANDROID__)
+ SetFullCpuAffinity();
Review comment:
At android, let us still bind the master thread(unless there is a strong
reason not to do so), but avoid the pthread_atfork callback(because it is not
available)
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