biondizzle c9fe26a5fc Stage C: integrate example3 multi-tile fixes into unit test ...

- Combined K+V barrier (one acquire per kt, kvh.count == kt)
- O rescale for kt > 0 (online softmax O correction)
- final_o_bar sync (MMA signals before producer_tail)
- s_k as constructor param (compile-time for V layout)
- kv_tx_bytes covers both K and V transfers
- Test covers n=128, 256, 512, 1024

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..

__init__.py

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cudagraph_test.py

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layertest.py

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test_128_128_vdiag.py

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test_cache.py

KV Cache: schema, allocator, pools, manager, append_swa kernel

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test_compile_custom_op.py

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test_custom_op.py

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test_cutedsl.py

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test_dense_router.py

Router: full kernel stack — hash, topk, activation+topk, dense decode/prefill

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test_fmha_v3_12w.py

Revert "debug: test 12w identity softmax with n=256 to verify multi-tile pipeline"

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test_fmha_v3_debug.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3_fixed_v.py

FMHA v3: per-row patch from Mike + deadlock fix + V layout fix

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test_fmha_v3_noop_c9.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3_per_row_min.py

FMHA v3: per-row min test + explicit loop replacements

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test_fmha_v3_per_row.py

FMHA v3: per-row patch from Mike + deadlock fix + V layout fix

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test_fmha_v3_proper.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3_pva_c9.py

FMHA v3: per-row patch from Mike + deadlock fix + V layout fix

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test_fmha_v3_scalar.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3_shapes.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3_softmax.py

BREAKTHROUGH: cosine 0.993 for n=128! PV-partitioned P row sum works.

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test_fmha_v3_stage_c2.py

fix: add epilogue warp to tmem_bar, restore wait_for_alloc in epilogue

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test_fmha_v3_stage_c_full.py

Stage C: integrate example3 multi-tile fixes into unit test

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test_fmha_v3_stage_c_min.py

more stuff

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test_fmha_v3_stage_c.py

more stuff

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test_fmha_v3_vec_c9.py

FMHA v3: add debug variants for C9 normalization investigation

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test_fmha_v3.py

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test_fp4_roundtrip.py

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test_fused_step1.py

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test_interleave_gemm.py

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test_interleave.py

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test_layer_schedule.py

Layer dispatch: config, schedule, attention/FFN sub-blocks, TransformerLayer

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test_pv64_with_softmax.py

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test_qk_softmax.py

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test_qkonly.py

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test_router.py

Router: full kernel stack — hash, topk, activation+topk, dense decode/prefill

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