From a00b5ac42c33366343341a9b5d067f84940b27e5 Mon Sep 17 00:00:00 2001
From: limingqi107 <limingqi@huawei.com>
Date: Wed, 28 Apr 2021 19:27:17 +0800
Subject: [PATCH] mkldnn support multi-thread

---
 cmake/external_libs/mkl_dnn.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/external_libs/mkl_dnn.cmake b/cmake/external_libs/mkl_dnn.cmake
index c37f0800ff3..1abce2dd316 100644
--- a/cmake/external_libs/mkl_dnn.cmake
+++ b/cmake/external_libs/mkl_dnn.cmake
@@ -21,7 +21,8 @@ else()
         LIBS dnnl mkldnn
         URL ${REQ_URL}
         MD5 ${MD5}
-        CMAKE_OPTION -DDNNL_ARCH_OPT_FLAGS='' -DDNNL_BUILD_EXAMPLES=OFF -DDNNL_BUILD_TESTS=OFF)
+        CMAKE_OPTION -DDNNL_ARCH_OPT_FLAGS='' -DDNNL_BUILD_EXAMPLES=OFF -DDNNL_BUILD_TESTS=OFF
+            -DDNNL_ENABLE_CONCURRENT_EXEC=ON)
 endif()
 
 include_directories(${onednn_INC})