From 8a101524da81b5ec11a69a13fab93ddeea64dd17 Mon Sep 17 00:00:00 2001
From: baihuawei <baihuawei@huawei.com>
Date: Wed, 9 Sep 2020 15:00:26 +0800
Subject: [PATCH] fix seed

---
 .../backend/kernel_compiler/gpu/cuda_impl/multinomial_impl.cu | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/multinomial_impl.cu b/mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/multinomial_impl.cu
index c1cbefe31..287741396 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/multinomial_impl.cu
+++ b/mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/multinomial_impl.cu
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <random>
 #include "multinomial_impl.cuh"
 
 template <typename T>
@@ -107,7 +108,8 @@ void Multinomial(int seed, T *input, int num_sample, curandState *globalState, i
   if (seed != 0) {
     RNG_seed = seed;
   } else {
-    RNG_seed = time(NULL);
+    std::random_device rd;
+    RNG_seed = static_cast<int>(rd());
   }
   int count = distributions * num_sample;
   MultinomialKernel<<<GET_BLOCKS(count), GET_THREADS, 0, cuda_stream>>>(RNG_seed, input, num_sample, globalState,
-- 
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