Files
nvfp4-megamoe-kernel/dsv4
biondizzle 4adee1207f FMHA: zero-init my_p_vals to fix N<128 padding NaN
When N<128, padded KV positions have my_p_vals[col] uninitialized
for col >= kv_len. The PV GEMM then computes garbage_P × zero_V,
which can produce NaN on tensor cores (0 × NaN = NaN).
Fix: zero-initialize my_p_vals so padded positions contribute 0.
2026-05-31 23:11:12 +00:00
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