cuda: avoid unnecessary cudaStreamSynchronize() call

resolves #11511
7 years ago · f42fca9f49
parent 3104d2f738
commit f42fca9f49
1 changed files with 3 additions and 2 deletions
--- a/modules/core/src/cuda_stream.cpp
+++ b/modules/core/src/cuda_stream.cpp
@ -594,10 +594,11 @@ namespace

    StackAllocator::~StackAllocator()
    {
-        cudaStreamSynchronize(stream_);
-
        if (memStack_ != 0)
+        {
+            cudaStreamSynchronize(stream_);
            memStack_->pool->returnMemStack(memStack_);
+        }
    }

    size_t alignUp(size_t what, size_t alignment)