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NVIDIA HPC-X Software Toolkit
2.50
2.26
2.25
2.24.1
224
2.23
2.22.1
2.22.0
2.21.2-LTS2-Branch2024
2.21.1
2.21.0
2.20.0
2.19.0
2.18.1-LTS3-Branch2023
2.18.0
2.17.1-LTS1-Branch2023
2.17.0
2.16
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2.50
2.26
2.25
2.24.1
224
2.23
2.22.1
2.22.0
2.21.2-LTS2-Branch2024
2.21.1
2.21.0
2.20.0
2.19.0
2.18.1-LTS3-Branch2023
2.18.0
2.17.1-LTS1-Branch2023
2.17.0
2.16
2.15
2.14
2.13.1-LTS1-Branch2022
2.13
2.12
2.11
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Changes and New Features
HPC-X General Support
Bug Fixes in this Version
Known Issues
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
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Last updated:
June 03, 2026
