NCCL Release 2.30.4
This is the NCCL 2.30.4 release notes. For previous NCCL release notes, refer to the NCCL Archives.
Compatibility
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Deep learning framework containers. Refer to the Support Matrix for the supported container version.
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This NCCL release supports CUDA 12.x and CUDA 13.x.
Key Features and Enhancements
This NCCL release includes the following key features and enhancements.
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Added support for elastic buffers with GIN.
Fixed Issues
The following issues have been resolved in NCCL 2.30.4:
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Fixed issue with extra headers for nccl_param feature (Github issue #2105).
Known Issues
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Applications that use GIN APIs need to be recompiled with 2.30.4 to work with 2.30.4 runtime.
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gin.get requires GDAKI and is not supported on Ampere or directNIC platforms.
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The elastic buffer feature with GIN is not supported on directNIC platforms.
Updating the GPG Repository Key
To best ensure the security and reliability of our RPM and Debian package repositories, NVIDIA is updating and rotating the signing keys used by apt, dnf/yum, and zypper package managers beginning on April 27, 2022. Failure to update your repository signing keys will result in package management errors when attempting to access or install NCCL packages. To ensure continued access to the latest NCCL release, please follow the updated NCCL installation guide.