1 files changed, 53 insertions, 0 deletions
diff --git a/tensorflow/core/common_runtime/mkl_threadpool_device_test.cc b/tensorflow/core/common_runtime/mkl_threadpool_device_test.cc
new file mode 100644
index 0000000000..5d583a8360
--- /dev/null
+++ b/tensorflow/core/common_runtime/mkl_threadpool_device_test.cc
@@ -0,0 +1,53 @@
+/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifdef INTEL_MKL
+
+#include "tensorflow/core/common_runtime/threadpool_device.h"
+
+#include "tensorflow/core/lib/core/status_test_util.h"
+#include "tensorflow/core/platform/cpu_info.h"
+#include "tensorflow/core/platform/logging.h"
+#include "tensorflow/core/platform/test.h"
+#include "tensorflow/core/public/session_options.h"
+
+namespace tensorflow {
+
+#ifdef _OPENMP
+TEST(MKLThreadPoolDeviceTest, TestOmpDefaults) {
+  SessionOptions options;
+  unsetenv("OMP_NUM_THREADS");
+
+  ThreadPoolDevice* tp = new ThreadPoolDevice(
+      options, "/device:CPU:0", Bytes(256), DeviceLocality(), cpu_allocator());
+
+  const int ht = port::NumHyperthreadsPerCore();
+  EXPECT_EQ(omp_get_max_threads(), (port::NumSchedulableCPUs() + ht - 1) / ht);
+}
+
+TEST(MKLThreadPoolDeviceTest, TestOmpPreSets) {
+  SessionOptions options;
+  setenv("OMP_NUM_THREADS", "314", 1);
+
+  ThreadPoolDevice* tp = new ThreadPoolDevice(
+      options, "/device:CPU:0", Bytes(256), DeviceLocality(), cpu_allocator());
+
+  EXPECT_EQ(omp_get_max_threads(), 314);
+}
+#endif  // _OPENMP
+
+}  // namespace tensorflow
+
+#endif  // INTEL_MKL