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da4eebc9a4
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DEBUG: add cute.printf for kv_coord runtime value
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2026-05-22 20:33:03 +00:00 |
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b8d4ac0ecb
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Test: Python range() instead of cutlass.range() for TMA loop
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2026-05-22 20:32:44 +00:00 |
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ae6197fc78
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Test example9: drop try_acquire/pk, single loop-carried kv_coord
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2026-05-22 20:32:25 +00:00 |
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20290d7439
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REVERT to working example7 (n=128 cos 0.999998). Example8 TMA fix didn't work.
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2026-05-22 20:28:15 +00:00 |
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72ad0eca9e
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Update stage_c test to example8: SSA kv_coord + per-tile O rescale
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2026-05-22 20:27:58 +00:00 |
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b1ee693998
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Clean up tests: archive superseded files, keep only essential unit tests
Kept in tests/unit/:
- test_fmha_v3.py (stages A+B)
- test_fmha_v3_diag.py (identity softmax, n=128+256)
- test_fmha_v3_stage_c.py (real softmax, n=128 cos 0.999998)
- layertest.py + cudagraph_test.py (required for every change)
- infrastructure: cache, custom_op, cutedsl, router, fp4, fused, interleave
Archived: 19 superseded unit tests + 10 root-level scratch files
Root level: only fmha_v3_stage_c_example7.py remains (now in unit/)
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2026-05-22 20:25:27 +00:00 |
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578c7e58be
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Revert TMA to kt pattern (n=128 works), multi-tile TMA is separate bug
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2026-05-22 20:10:35 +00:00 |
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6a82036ebd
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TMA: use self.n_kv_tiles + kv_coord pattern from working diag test
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2026-05-22 20:08:07 +00:00 |
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74380ffc21
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REVERT to 0bdcdc0 — the version that passed n=128 cos 0.999998
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2026-05-22 20:07:18 +00:00 |
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a3f0e73c82
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DEBUG: disable O rescale + normalize, test if corr setup alone causes regression
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2026-05-22 19:57:53 +00:00 |
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aa43a902e1
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Shared corr tensors for O rescale + final normalize, fix softmax loop
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2026-05-22 19:55:06 +00:00 |
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bd52e88ce1
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Add O rescale with correction_rescale pattern + fix TMA to working diag pattern
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2026-05-22 19:51:53 +00:00 |
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93acac7e43
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O normalize: exact CUTLASS correction_rescale pattern with 2D reg tensor
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2026-05-22 19:50:37 +00:00 |
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70349de6dc
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O normalize: TMEM round-trip with paired Ld/St atoms + standard epilogue_tma_store
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2026-05-22 19:49:51 +00:00 |
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02543b3d8d
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Fix: use NamedBarrier instead of mbarrier_arrive/wait
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2026-05-22 19:49:07 +00:00 |
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5f98eaec3a
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Fix: barrier_wait → mbarrier_wait, barrier_arrive → mbarrier_arrive
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2026-05-22 19:48:31 +00:00 |
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afe5d1ae21
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Fix epilogue: corr_tile_size=16, proper epi_subtile tuple, match CUTLASS reference
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2026-05-22 19:47:57 +00:00 |
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8b93774d70
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Fix example7: K slice (None,None,0,0) and softmax scale_log2 double-bug
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2026-05-22 19:45:59 +00:00 |
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6827862b3d
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Fix: fence_async_shared -> fence_view_async_shared
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2026-05-22 19:25:05 +00:00 |
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7806ac812a
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Clean v2: real softmax P, no O TMEM modify, standard epilogue. Baseline for custom epilogue work.
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2026-05-22 19:24:25 +00:00 |
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1176d75236
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O normalize using tmem_ptr base (same as epilogue) + CUTLASS sub-tile pattern
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2026-05-22 19:18:16 +00:00 |
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86a4719afe
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O normalize with full layout (no sub-tiling), Repetition(64)
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2026-05-22 19:17:03 +00:00 |
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1d2111f772
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Disable ALL O copies to verify baseline
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2026-05-22 19:14:33 +00:00 |
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d9f7443b77
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Disable O rescale too for NO-OP test
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2026-05-22 19:13:43 +00:00 |
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62529df638
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DEBUG: O load+store NO-OP to verify TMEM copy correctness
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2026-05-22 19:12:43 +00:00 |
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59575202a4
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Re-enable O rescale + normalize with corr_tile_size=32
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2026-05-22 19:11:17 +00:00 |
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0589a14790
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Disable O rescale + normalize, verify softmax P only
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2026-05-22 19:09:33 +00:00 |
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8db432ebed
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FIX: O sub-tile count should be HEAD_DIM/corr_tile_size, not 128/corr_tile_size
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2026-05-22 19:06:52 +00:00 |
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b0498dd7ac
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Full pipeline: O rescale + final normalize with CUTLASS sub-tile approach
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2026-05-22 19:05:59 +00:00 |
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668c7e1a4e
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Test softmax P vs unnormalized reference (no O normalize)
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2026-05-22 19:05:27 +00:00 |
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46020baff1
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O normalize using CUTLASS reference sub-tile approach
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2026-05-22 19:04:37 +00:00 |
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e56ffbbe32
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Fix O normalize: use 2D register tensor indexing
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2026-05-22 18:59:15 +00:00 |
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43e9eb2f30
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Add O normalization with sub-tile TMEM read-modify-write
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2026-05-22 18:58:35 +00:00 |
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603385a88c
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Simplify: softmax P only, no O rescale/normalize yet
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2026-05-22 18:57:00 +00:00 |
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46462b7c8b
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Real softmax test built on working identity diag
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2026-05-22 18:55:31 +00:00 |
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4fef047f5c
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CRITICAL FIX: remove extra scale_log2 in softmax (minus_row_max and acc_scale)
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2026-05-22 18:52:58 +00:00 |
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fe58d07b8c
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FIX: K slice (None,None,0,0) like working diag
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2026-05-22 18:51:22 +00:00 |
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12defe923d
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Diag: identity softmax on example6 pipeline to isolate softmax bug
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2026-05-22 18:49:33 +00:00 |
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d7e0aa6168
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Quick test: working v3 with n=256 multi-tile
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2026-05-22 18:47:54 +00:00 |
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6a7b955c19
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DEBUG: add version marker to confirm code changes are running
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2026-05-22 18:47:05 +00:00 |
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fb1057eb5f
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CRITICAL FIX: TMA pre-slice (None,0,None,0) → (None,None,0,0) to keep GMEM tile dim free
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2026-05-22 18:45:55 +00:00 |
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2deb28827a
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Diag: TMA shapes with hardcoded major modes
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2026-05-22 18:43:55 +00:00 |
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d2a3b83aa2
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Diag: simplified TMA shape analysis
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2026-05-22 18:43:30 +00:00 |
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73109dde85
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Diag: print TMA partition shapes for multi-tile debugging
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2026-05-22 18:43:05 +00:00 |
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375b24304b
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FIX: Use Python range() in TMA warp for concrete per-iteration GMEM coords
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2026-05-22 18:26:31 +00:00 |
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0dd6fefd66
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FIX: Force SSA GMEM coord via n_kv_tiles - n_kv_tiles instead of cutlass.range kt
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2026-05-22 18:25:13 +00:00 |
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2a4731426e
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FIX: TMEM offset bug in O rescale/normalize — use tOtO0.iterator not tOtO.iterator
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2026-05-22 18:23:46 +00:00 |
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1e0805ad60
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Diag: test n=384 (3 tiles) to find crash boundary
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2026-05-22 18:07:07 +00:00 |
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1aa4a91d01
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Diag: test all sizes 128-1024
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2026-05-22 18:06:28 +00:00 |
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8586603280
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DEBUG: disable O rescale to isolate NaN cause
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2026-05-22 18:05:46 +00:00 |
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