[ROCM] Fix blockReduceSum to use correct warp counts for ROCm and CUDA #3262
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blockReduceSum was defaulting to 32 for warp size regardless of the architecture. Bonus, refactor cuda_compat.h to hold WARP_SIZE define instead of the attention_kernels.cuh
zhuohan123
approved these changes
Mar 10, 2024
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blockReduceSum was defaulting to 32 for warp size regardless of the architecture.
Bonus, refactor cuda_compat.h to hold WARP_SIZE define instead of the attention_kernels.cuh