Does gdrcopy work with CUDA Virtual Memory Management APIs?

NVIDIA / gdrcopy

A fast GPU memory copy library based on NVIDIA GPUDirect RDMA technology

MIT License

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Open mzient opened 1 year ago

mzient commented 1 year ago

Does gdrcopy work with memory allocated with cuMemAddressReserve/cuMemCreate/cuMemMap?

hongbilu commented 1 year ago

vmm cases are there in sanity test cases, you can run it if your cuda version > 11.0

drossetti commented 1 year ago

confirming that it works, provided that the allocation has the gpudirect rdma flag set.