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NVIDIA HPC-X Software Toolkit

NVIDIA HPC-X Software Toolkit

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Release Notes
Installing and Loading HPC-X
Running, Configuring and Rebuilding HPC-X
HCOLL
Unified Communication - X Framework Library
Unified Collective Communication (UCC)
PGAS Shared Memory Access
ClusterKit
NCCL-RDMA-SHARP Plugins
Multi-GPU Support
Spectrum-X NCCL Plugin
Common Abbreviations
User Manual Revision History
Release Notes History
Legal Notices and 3rd Party Licenses

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NVIDIA HPC-X Software Toolkit
Release Notes

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Release Notes

Release Notes Update History

Revision	Date	Description
2.50	June 2026	Initial release of this document.

Last updated: June 03, 2026

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