perf: Fail fast on empty query for BatchPrefillWithPagedKVCacheKernel
#377
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Actually it looks like setting query length to 0 causes illegal memory access under some circumstances, with or without this PR... |
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Thanks for doing this, I'm now looking at the illegal memory access issue. |
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Small optimization for CUDA graph use cases. According to profiling, this shaves off ~10% of kernel execution time for empty queries.