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sherylll
commented
Oct 6, 2026
sherylll
commented
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- Since u4 MMA only exists in a limited range of architectures, switch to native u8 MMA for better compatibility. Perf is not negatively affected because the kernel is latency bound.
- In MMA kernels, add warp guard on MMA instructions for elements past the useful range (new_size/old_size)
Skip warps whose output block is out of range; Remove redundant syncthreads in local_join_kernel_wmma
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