graphMemoryNodes cudaMallocAsync cudaFreeAsync cudaGraphAddMemAllocNode cudaGraphAddMemFreeNode whole ./ ../ ../../Common CUDA Graphs Stream Capture CUDA CUDA Graphs Streams GPGPU Graph Memory Nodes Stream Ordered Allocation Stream Ordered Allocator true graphMemoryNodes.cu 1:CUDA Basic Topics sm60 sm61 sm70 sm72 sm75 sm80 sm86 x86_64 linux windows7 arm ppc64le linux 6.0 exe