Replace Buildkite CI with GitHub Actions self-hosted runners#160
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ChrisRackauckas merged 3 commits intoSciML:masterfrom Mar 19, 2026
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Migrate GPU tests from Buildkite to GitHub Actions using self-hosted runners with the `gpu` label (Tesla T4 on arctic1). - Add .github/workflows/GPU.yml for GPU tests on [self-hosted, Linux, X64, gpu] - Delete .buildkite/pipeline.yml Part of the SciML-wide migration from Buildkite to GitHub Actions self-hosted runners. See ChrisRackauckas/InternalJunk#16 for runner infrastructure details. Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com> Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The test failed because it landed on demeter4 which has broken GPU drivers (NVML version mismatch). Use gpu-t4 label to target only arctic1 runners with working Tesla T4. Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com> Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
test/GPU/Project.toml had compat `PreallocationTools = "0.4"` but the package is at v1.1.2. The Pkg.develop call in the test setup fails because v1.1.2 doesn't satisfy the 0.4 compat bound. Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
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Summary
gpulabel (Tesla T4 on arctic1).github/workflows/GPU.ymlfor GPU tests on[self-hosted, Linux, X64, gpu].buildkite/pipeline.ymlPart of the SciML-wide migration from Buildkite to GitHub Actions self-hosted runners. See https://github.com/ChrisRackauckas/InternalJunk/issues/16 for runner infrastructure details.
Changes
The new workflow:
master(ignoringdocs/**)[self-hosted, Linux, X64, gpu]runnersGROUP=GPUenvironment variable forjulia-runtestTest plan
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