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CI: CUDA 13.4 prerelease toolkit install and wheel builds - #2432
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Andy-Jost wants to merge 28 commits into
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CI: CUDA 13.4 prerelease toolkit install and wheel builds#2432Andy-Jost wants to merge 28 commits into
Andy-Jost wants to merge 28 commits into
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…15+1105 (NO MANUAL CHANGES)
…105 (NO MANUAL CHANGES)
…rm -r -f qa/ (NO MANUAL CHANGES)
Resolve the public preview package set and extract it into the existing mini-toolkit layout while preserving stable redistributable behavior.
Exercise one Linux x86_64 Python build through the existing wheel workflow without expanding the regular CI matrix.
…o ctk-13.4-prerelease
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marked this pull request as draft
July 27, 2026 21:37
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Auto-sync is disabled for draft pull requests in this repository. Workflows must be run manually. Contributors can view more details about this message here. |
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mdboom
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Windows preview toolkits ship as local installers rather than redistributable archives, so teach fetch-ctk to download and extract them and re-enable Windows wheel builds in the ordinary CI matrix, including a win-arm64 canary.
The local preview installer bundles per-component archives rather than a flat CUDAToolkit tree, so extract the needed component directories with 7-Zip and merge them into the layout fetch_ctk expects.
Use a single 7-Zip pass, merge directly into the cache staging dir via a separate work directory, and drop prerelease-only unit tests that CI already exercises end to end.
Merge component libs into lib/x64 or lib/arm64 so cuda_bindings can find cudart_static.lib, and bump the prerelease cache key to drop stale flat-lib entries.
Stale Windows prerelease caches were purged manually; the lib/x64 merge fix remains in fetch_ctk_redistrib.py.
Promote the successful canary to the full Python matrix and describe its CUDA 13-only wheel path as a single-major build.
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Superseded by #2437. The CUDA 13.4 prerelease integration landed on the protected 13.4.x branch and was tagged v13.4.0b1. |
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Summary
Teach CI how to install CUDA 13.4 Developer Preview and build wheels through the ordinary pipeline on all four platform combinations (Linux/Windows × x86_64/ARM64).
CUDA 13.4 preview is not published via the usual
redistrib_*.jsonmanifest:packages.nvidia.com.exeinstallers (~3.6 GB each), extracted with 7-Zip into the existing mini-CTK layoutKey changes:
prereleasechannel tofetch_ctk, selected viacuda.build.channelinci/versions.ymlci.ymlmatrix (all supported Python versions on Linux; Windows x86_64 re-enabled)prepare-windows-ctkto warm the shared CTK cache before the Windows matrixwindows-11-arm, Python 3.12,current-ctk-only)Related to #2431 (Mike is keeping that PR for his own iteration). This branch is for Andy's CI testing, especially Windows and ARM64.
Expected CI behavior
fetch_ctkon all platformscuda.build.channel == prereleaseTest plan
fetch_ctk_redistrib.pypreview installer resolutionfetch_ctksucceeds in CI