ci(gfx11): cache HIP builds with ggml-org/ccache-action - #45
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The gfx11 ROCm workflow recompiles all 7 RDNA3/3.5 arches from scratch on every run. Add the repo-standard ggml-org/ccache-action before the build so object output persists across runs via actions/cache. llama.cpp's CMake auto-wires ccache as the compile launcher (GGML_CCACHE defaults ON), so no cmake flags are needed. Cache writes are gated to pushes on gfx11 so PRs read the shared store without thrashing it. Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>
roberteg16
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Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>
roberteg16
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roberteg16
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July 13, 2026 10:16
mgehre-amd
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Jul 13, 2026
gfx11 saves the cache only on push (infrequent, plus the daily nightly), so a 1d eviction window prunes still-useful objects between runs. 7d keeps hot objects across the branch's lower push cadence. Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>
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Jul 14, 2026
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Summary
build-gfx11-rocmworkflow recompiles all 7 RDNA3/3.5 arches from scratch on every push/PR/dispatch — no build caching today.ggml-org/ccache-action@v1.2.21(already used by the CUDA/HIP/SYCL/Vulkan/release workflows) before the build step, so object output persists across runs via GitHub'sactions/cache.GGML_CCACHEis ON (default) and ccache is onPATH(ggml/src/CMakeLists.txt), wrapping the explicit/opt/rocm/llvm/bin/clang.Behavior
gfx11(save: github.event_name == 'push' && github.ref == 'refs/heads/gfx11'), so PRs read the shared store without thrashing it.evict-old-files: 1dbounds store growth.Test plan
ccachestep restoring/creating the cache and reports ccache stats at build end.ccache found, compilation results will be cached.🤖 Generated with Claude Code