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feat(flydsl): Add HSTU Forward kernel #4354

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feat(flydsl): Add HSTU Forward kernel #4354

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dda21e5
Add FlyDSL HSTU attention fwd kernel
RElbers Jul 7, 2026
01bfb38
Added tests for input and tuned csv. Updated the kernel so it works o…
RElbers Jul 7, 2026
dd93176
Refactoring: use Flydsl 0.2.4 API and higher level functions + licens…
Jul 22, 2026
e1e3bce
Refactor test, to be aligned with aiter ops requiements
Jul 22, 2026
659128a
Further cleanup: use make_buffer_tensor
Jul 22, 2026
f32dbe6
Run Ruff & Black
Jul 22, 2026
c166aeb
Migrate manual LDS handling to @fx.struct SharedStorage + fx.SharedAl…
Jul 22, 2026
9ad4fe0
Fix fx.Index + ruff/black run
Jul 22, 2026
1c94ec8
Merge branch 'main' into users/relbers/hstu_attention_fwd
Jul 23, 2026
ab4b86f
Run black
Jul 23, 2026
4722a61
Fix str2bool setup issue
Jul 23, 2026
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2 changes: 2 additions & 0 deletions aiter/ops/flydsl/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@
from .gemm_kernels import flydsl_hgemm, flydsl_preshuffle_gemm_a8
from .moe_kernels import flydsl_moe_stage1, flydsl_moe_stage2
from .fmha_kernels import flydsl_flash_attn_func
from .hstu_attention_kernels import flydsl_hstu_attention_fwd
from .kernels.qk_norm_rope_quant import flydsl_qk_norm_rope_quant
from .kernels.pa_mqa_logits_fp4 import (
flydsl_pa_mqa_logits_fp4,
Expand All @@ -61,6 +62,7 @@
"flydsl_moe_stage2",
"flydsl_hgemm",
"flydsl_flash_attn_func",
"flydsl_hstu_attention_fwd",
"flydsl_qk_norm_rope_quant",
"flydsl_pa_mqa_logits_fp4",
"flydsl_pa_mqa_logits_fp4_prefill",
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