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NVIDIA NVSHMEM is a parallel programming interface for NVIDIA GPUs based on OpenSHMEM. NVSHMEM can significantly reduce multi-process communication and coordination overheads by allowing programmers to perform one-sided communication from within CUDA kernels and on CUDA streams.

docs.nvidia.com/nvshmem/api/index.html

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Name		Name	Last commit message	Last commit date
Latest commit History 157 Commits
.github/ISSUE_TEMPLATE		.github/ISSUE_TEMPLATE
cmake_config		cmake_config
examples		examples
nvshmem4py		nvshmem4py
perftest		perftest
pkg		pkg
scripts		scripts
src		src
test		test
.gitattributes		.gitattributes
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
CMakeLists.txt		CMakeLists.txt
Compatibility.md		Compatibility.md
License.txt		License.txt
README.md		README.md
changelog		changelog
nvshmem_bootstrap.sym		nvshmem_bootstrap.sym
nvshmem_host.sym		nvshmem_host.sym
nvshmem_transport.sym		nvshmem_transport.sym

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NVSHMEM Overview

NVSHMEMTM is a parallel programming interface based on OpenSHMEM that provides efficient and scalable communication for NVIDIA GPU clusters. NVSHMEM creates a global address space for data that spans the memory of multiple GPUs and can be accessed with fine-grained GPU-initiated operations, CPU-initiated operations, and operations on CUDA® streams.

Quick Links

Please see the following public links for information on building and working wih NVSHMEM:

The maintainers of the NVSHMEM project can also be contacted by e-mail at nvshmem@nvidia.com