D1: Add SMEM-P debug prints

2026-05-24 03:37:00 +00:00
parent 3063dbd5da
commit 9d204d953f
1 changed files with 2 additions and 0 deletions
--- a/dsv4/kernels/attention/fmha.py
+++ b/dsv4/kernels/attention/fmha.py
@@ -288,6 +288,8 @@ class FmhaKernel:
            #   sP_addr = 64*m + (k%16) + 16*((k//16)%4) + 8192*(k//64)
            # This is representable as a CuTe layout: (128, (16, 4, 2)) -> (64, (1, 16, 8192))
            _sP_nostage = sP[(None, None, None, 0)]  # remove stage dim
+            print(f"SMEM-P DEBUG: sP_nostage shape={cute.shape(_sP_nostage)}, sP outer={cute.shape(sP)}")
+            print(f"SMEM-P DEBUG: pv_n_tile={self.pv_n_tile}, p_cols_fp32={p_cols_fp32}")

            row_max = -Float32.inf
            row_sum = Float32(0.0)