mirror of
https://github.com/BillyOutlast/flash-attention-prebuild-wheels-rocm.git
synced 2026-07-01 01:17:55 -04:00
Junya Morioka
73 lines
2.5 KiB
Bash
Executable File
73 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# Parameters with defaults
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FLASH_ATTN_VERSION=$1
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PYTHON_VERSION=$2
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TORCH_VERSION=$3
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CUDA_VERSION=$4
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echo "Building Flash Attention with parameters:"
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echo " Flash-Attention: $FLASH_ATTN_VERSION"
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echo " Python: $PYTHON_VERSION"
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echo " PyTorch: $TORCH_VERSION"
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echo " CUDA: $CUDA_VERSION"
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# Set CUDA and PyTorch versions
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MATRIX_CUDA_VERSION=$(echo $CUDA_VERSION | awk -F \. {'print $1 $2'})
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MATRIX_TORCH_VERSION=$(echo $TORCH_VERSION | awk -F \. {'print $1 "." $2'})
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echo "Derived versions:"
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echo " CUDA Matrix: $MATRIX_CUDA_VERSION"
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echo " Torch Matrix: $MATRIX_TORCH_VERSION"
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# Install PyTorch
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echo "Installing PyTorch $TORCH_VERSION+cu$CUDA_VERSION..."
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TORCH_CUDA_VERSION=$(python -c "from os import environ as env; \
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support_cuda_versions = { \
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'2.0': [117, 118], \
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'2.1': [118, 121], \
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'2.2': [118, 121], \
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'2.3': [118, 121], \
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'2.4': [118, 121, 124], \
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'2.5': [118, 121, 124], \
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'2.6': [118, 124, 126], \
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'2.7': [118, 126, 128], \
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'2.8': [128], \
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}; \
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matrix_cuda_version = '$MATRIX_CUDA_VERSION'; \
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matrix_torch_version = '$MATRIX_TORCH_VERSION'; \
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target_cuda_versions = support_cuda_versions[matrix_torch_version]; \
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cuda_version = int(matrix_cuda_version); \
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closest_version = min(target_cuda_versions, key=lambda x: abs(x - cuda_version)); \
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print(closest_version) \
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")
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if [[ $TORCH_VERSION == *"dev"* ]]; then
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pip install --pre torch==$TORCH_VERSION --index-url https://download.pytorch.org/whl/nightly/cu${TORCH_CUDA_VERSION}
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else
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pip install --no-cache-dir torch==$TORCH_VERSION --index-url https://download.pytorch.org/whl/cu${TORCH_CUDA_VERSION}
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fi
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# Verify installation
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echo "Verifying installations..."
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nvcc --version
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python -V
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python -c "import torch; print('PyTorch:', torch.__version__)"
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python -c "import torch; print('CUDA:', torch.version.cuda)"
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python -c "from torch.utils import cpp_extension; print(cpp_extension.CUDA_HOME)"
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# Checkout flash-attn
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echo "Checking out flash-attention v$FLASH_ATTN_VERSION..."
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git clone https://github.com/Dao-AILab/flash-attention.git -b "v$FLASH_ATTN_VERSION"
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# Build wheels
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echo "Building wheels..."
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cd flash-attention
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python setup.py bdist_wheel --dist-dir=dist
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base_wheel_name=$(basename $(ls dist/*.whl | head -n 1))
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wheel_name=$(echo $base_wheel_name | sed "s/$FLASH_ATTN_VERSION/$FLASH_ATTN_VERSION+cu${MATRIX_CUDA_VERSION}torch${MATRIX_TORCH_VERSION}/")
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mv dist/$base_wheel_name dist/$wheel_name
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echo "Built wheel: $wheel_name"
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