message: cuda_stream: do not allocate GPU memory by default (fixes
diff: @@ -552,7 +552,7 @@ Stream cv::cuda::StreamAccessor::wrapStream(cudaStream_t stream)
  namespace
  {
  - bool enableMemoryPool = true;
  + bool enableMemoryPool = false;
  class StackAllocator : public GpuMat::Allocator
  {
  