[GitHub] lookenwu closed pull request #8604: set number of real cores - 1

[GitBox <gi...@apache.org>]

lookenwu closed pull request #8604: set number of real cores - 1
URL: https://github.com/apache/incubator-mxnet/pull/8604
 
 
   

This is a PR merged from a forked repository.
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diff --git a/src/io/iter_image_det_recordio.cc b/src/io/iter_image_det_recordio.cc
index 4e80d5d531..8aac6154b4 100644
--- a/src/io/iter_image_det_recordio.cc
+++ b/src/io/iter_image_det_recordio.cc
@@ -249,7 +249,7 @@ inline void ImageDetRecordIOParser<DType>::Init(
   #pragma omp parallel
   {
     // be conservative, set number of real cores - 1
-    maxthread = std::max(omp_get_num_procs() - 1, 1);
+    maxthread = std::max(omp_get_num_procs() / 2 - 1, 1);
   }
   param_.preprocess_threads = std::min(maxthread, param_.preprocess_threads);
   #pragma omp parallel num_threads(param_.preprocess_threads)


 

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