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chore: build kernels against torch 2.14.0 #24

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chore: build kernels against torch 2.14.0 #24

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chore: build kernels against torch 2.14.0
faresobeid Nov 2, 2026
b050074
fix(deep-gemm): build as C++20 for torch 2.14 headers
faresobeid Nov 2, 2026
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2 changes: 1 addition & 1 deletion .github/workflows/build_kernels.yaml
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Expand Up @@ -74,7 +74,7 @@ env:
# — see Dockerfile.cuda in prime-rl), deliberately different from `build`'s (see the
# portability comment up top and the per-arch images in the `build` matrix below).
CONTAINER_IMAGE: nvidia/cuda:13.0.3-devel-ubuntu24.04
TORCH_VERSION: 2.13.0+cu130
TORCH_VERSION: 2.14.0+cu130

jobs:
build:
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4 changes: 4 additions & 0 deletions scripts/install_deep_gemm.sh
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Expand Up @@ -51,6 +51,10 @@ git clone --recurse-submodules "$DEEPGEMM_GIT_REPO" "$TMPDIR/DeepGEMM"
cd "$TMPDIR/DeepGEMM"
git checkout "$DEEPGEMM_GIT_REF"
git submodule update --init --recursive
# torch >= 2.14 headers require C++20 (ATen.h errors out below it); this DeepGEMM rev still
# builds its extension as C++17. vLLM's DeepGEMM fork made the same switch.
sed -i "s/'-std=c++17'/'-std=c++20'/" setup.py
grep -q "'-std=c++20'" setup.py || { echo "ERROR: could not switch DeepGEMM to C++20" >&2; exit 1; }

# Back to the invocation directory: a relative --wheel-dir must resolve there, not
# inside $TMPDIR, which the EXIT trap deletes before the caller ever sees the wheel.
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