65 lines
2.0 KiB
Bash
Executable File
65 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script is used to build FlashInfer wheels with AOT kernels
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set -ex
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# FlashInfer configuration
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FLASHINFER_GIT_REPO="https://github.com/flashinfer-ai/flashinfer.git"
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BUILD_WHEEL="${BUILD_WHEEL:-true}"
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if [[ -z "${FLASHINFER_GIT_REF}" ]]; then
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echo "❌ FLASHINFER_GIT_REF must be specified" >&2
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exit 1
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fi
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if [[ -z "${CUDA_VERSION}" ]]; then
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echo "❌ CUDA_VERSION must be specified" >&2
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exit 1
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fi
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echo "🏗️ Building FlashInfer ${FLASHINFER_GIT_REF} for CUDA ${CUDA_VERSION}"
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# Clone FlashInfer
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git clone --depth 1 --recursive --shallow-submodules \
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--branch "${FLASHINFER_GIT_REF}" \
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${FLASHINFER_GIT_REPO} flashinfer
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# Set CUDA arch list based on CUDA version
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# Exclude CUDA arches for older versions (11.x and 12.0-12.7)
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if [[ "${CUDA_VERSION}" == 11.* ]]; then
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FI_TORCH_CUDA_ARCH_LIST="7.5 8.0 8.9"
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elif [[ "${CUDA_VERSION}" == 12.[0-7]* ]]; then
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FI_TORCH_CUDA_ARCH_LIST="7.5 8.0 8.9 9.0a"
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elif [[ "${CUDA_VERSION}" == 12.[8-9]* ]]; then
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# CUDA 12.8–12.9
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FI_TORCH_CUDA_ARCH_LIST="7.5 8.0 8.9 9.0a 10.0a 10.3a 12.0"
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else
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# CUDA 13.0+
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FI_TORCH_CUDA_ARCH_LIST="7.5 8.0 8.9 9.0a 10.0f 12.0"
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fi
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echo "🏗️ Building FlashInfer AOT for arches: ${FI_TORCH_CUDA_ARCH_LIST}"
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pushd flashinfer
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# Make sure the wheel is built for the correct CUDA version
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export UV_TORCH_BACKEND=cu$(echo "$CUDA_VERSION" | cut -d. -f1,2 | tr -d '.')
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# Build AOT kernels
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export TORCH_CUDA_ARCH_LIST="${FI_TORCH_CUDA_ARCH_LIST}"
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export FLASHINFER_CUDA_ARCH_LIST="${FI_TORCH_CUDA_ARCH_LIST}"
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python3 -m flashinfer.aot
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if [[ "${BUILD_WHEEL}" == "true" ]]; then
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# Build wheel for distribution
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uv build --no-build-isolation --wheel --out-dir ../flashinfer-dist .
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echo "✅ FlashInfer wheel built successfully in flashinfer-dist/"
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else
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# Install directly (for Dockerfile)
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uv pip install --system --no-build-isolation --force-reinstall .
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echo "✅ FlashInfer installed successfully"
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fi
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popd
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# Cleanup
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rm -rf flashinfer
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