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NVSHMEM4Py
DescriptionThis presentation introduces NVSHMEM4Py, which provides Python-first host and device APIs that integrate naturally with the Python ecosystem. The library supports array-oriented memory management, collectives, and one-sided communication as on-stream, host-initiated operations, enabling overlap with compute. Additionally, device-side APIs allow fused communication and computation within user-defined kernels. Benchmarks show NVSHMEM4Py achieves native C-level performance while dramatically improving usability, empowering Python developers to build scalable multi-GPU applications without deep C/C++ expertise.
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