From d4383c4f33aa0101cf50556eaa7793da441f37d3 Mon Sep 17 00:00:00 2001
From: yanghaitao1 <yanghaitao1@huawei.com>
Date: Fri, 9 Oct 2020 10:49:35 +0800
Subject: [PATCH] set opencv threads 0

---
 mindspore/ccsrc/minddata/dataset/kernels/image/image_utils.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mindspore/ccsrc/minddata/dataset/kernels/image/image_utils.cc b/mindspore/ccsrc/minddata/dataset/kernels/image/image_utils.cc
index 8094734915..93190b1b0c 100644
--- a/mindspore/ccsrc/minddata/dataset/kernels/image/image_utils.cc
+++ b/mindspore/ccsrc/minddata/dataset/kernels/image/image_utils.cc
@@ -97,6 +97,8 @@ Status Resize(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *out
   if (input_cv->Rank() != 3 && input_cv->Rank() != 2) {
     RETURN_STATUS_UNEXPECTED("Input Tensor is not in shape of <H,W,C> or <H,W>");
   }
+  // OpenCv lanuch too many threads.
+  cv::setNumThreads(0);
   cv::Mat in_image = input_cv->mat();
   // resize image too large or too small
   if (output_height == 0 || output_height > in_image.rows * 1000 || output_width == 0 ||