cjolivier01 commented on a change in pull request #7854: Basic CPU Kernel OMP
selection based upon whether GPU has been used
URL: https://github.com/apache/incubator-mxnet/pull/7854#discussion_r140080388
##########
File path: src/engine/threaded_engine.h
##########
@@ -293,6 +299,20 @@ class ThreadedEngine : public Engine {
finished_cv_.notify_all();
}
+ /*! \brief Return default OMP thread count. Currently, this is whatever OMP
shows as number
+ * of procs
+ */
+ static int DefaultOMPThreadsPerWorker() {
+#ifdef _OPENMP
+ // TODO(cjolivier01): Programatically obtain hyperthreading count (if
supported)
+ // Taking max including omp_get_max_threads() in case this implementation
of OMP accounts for
+ // hyperthreading
+ return std::max(omp_get_max_threads(), omp_get_num_procs());
Review comment:
What's the current use-case for that?
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