1 files changed, 13 insertions, 2 deletions
diff --git a/tensorflow/core/lib/random/random.cc b/tensorflow/core/lib/random/random.cc
index a30bad2b1b..723c1100f8 100644
--- a/tensorflow/core/lib/random/random.cc
+++ b/tensorflow/core/lib/random/random.cc
@@ -22,17 +22,28 @@ limitations under the License.
 namespace tensorflow {
 namespace random {
 
-std::mt19937_64* InitRng() {
+namespace {
+std::mt19937_64* InitRngWithRandomSeed() {
   std::random_device device("/dev/urandom");
   return new std::mt19937_64(device());
 }
+std::mt19937_64 InitRngWithDefaultSeed() { return std::mt19937_64(); }
+
+}  // anonymous namespace
 
 uint64 New64() {
-  static std::mt19937_64* rng = InitRng();
+  static std::mt19937_64* rng = InitRngWithRandomSeed();
   static mutex mu;
   mutex_lock l(mu);
   return (*rng)();
 }
 
+uint64 New64DefaultSeed() {
+  static std::mt19937_64 rng = InitRngWithDefaultSeed();
+  static mutex mu;
+  mutex_lock l(mu);
+  return rng();
+}
+
 }  // namespace random
 }  // namespace tensorflow