Clean up: archive diagnostics and superseded tests
Kept:
- example10 (CUTLASS LLM, O rescale + final normalize)
- example9 (SSA kv_coord version)
- working_softmax_maybe.py (working softmax snapshot from before the nuke)
- test_fmha_v3_stage_c.py (identity softmax baseline, n=128 cos 0.999998)
- test_fmha_v3.py (Stage A+B baseline)
- layertest.py, cudagraph_test.py (required)
- test_cutedsl.py, test_fp4_roundtrip.py (NVFP4 tests)
Archived: diag_tma_*, example8, test_diag_multitile, test_reference_fmha,
test_ref_minimal, test_tma_coord, test_fmha_v3_diag*, test_fmha_v3_12w,
test_dense_router, test_interleave*, test_fused_step1, test_router,
test_cache, test_compile_custom_op, test_custom_op, test_layer_schedule
biondizzle
0ced79ab37