From e9e5de539442961f85e05a36139e149062159942 Mon Sep 17 00:00:00 2001
From: gukecai <gukecai@huawei.com>
Date: Thu, 9 Jul 2020 10:51:33 +0800
Subject: [PATCH] fix stream bug for memreuse

---
 mindspore/ccsrc/device/ascend/ascend_stream_assign.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mindspore/ccsrc/device/ascend/ascend_stream_assign.cc b/mindspore/ccsrc/device/ascend/ascend_stream_assign.cc
index 971b67af01..a68c408221 100644
--- a/mindspore/ccsrc/device/ascend/ascend_stream_assign.cc
+++ b/mindspore/ccsrc/device/ascend/ascend_stream_assign.cc
@@ -1106,7 +1106,7 @@ StreamActiveKind AscendStreamAssign::GetStreamActiveKind(const NotNull<KernelGra
 
   uint32_t pre_stream_id = UINT32_MAX;
   uint32_t next_stream_id = UINT32_MAX;
-  int32_t start = SizeToInt(index);
+  int32_t start = SizeToInt(index) - 1;
   for (int32_t i = start; i >= 0; i--) {
     auto cnode = exe_orders[IntToSize(i)];
     auto name = AnfAlgo::GetCNodeName(cnode);