CUDA and MPI

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GPUDirect v1Jointly developed with MellanoxEnables IB driver and CUDA driver to share the same pinnedmemoryEliminates CPU memcpy()sKernel patch for additional kernel mode callbackGuarantees proper cleanup of shared physical memory atprocess shutdownCurrently shipping
1GPUDirect v1CPUChipsetGPUInfiniBandGPUMemory
Page 1 and 2: CUDA and MPIDale SouthardSenior Sol
Page 3 and 4: What You’ve Learned So Far….Use
Page 5 and 6: Zero-Copy Memory before CUDA 4.0Sin
Page 7 and 8: The DMA/RDMA ProblemCUDA driver all
Page 9: What is GPUDirect?GPUDirect is an u
Page 13 and 14: No-copy Pinning of System MemoryRed
Page 15 and 16: Unified Virtual AddressingEasier to
Page 18 and 19: Multiple GPUs Before NVIDIA GPUDire
Page 20 and 21: GPUDirect v2.0: Peer-to-Peer Commun
Page 22 and 23: Topology and Locality
Page 24 and 25: And More TopologyMemoryMemoryMemory

CUDA and MPI

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