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Fix linter error #3435

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Fix linter error #3435

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9 changes: 6 additions & 3 deletions transformer_engine/pytorch/attention/dot_product_attention/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1569,12 +1569,15 @@ def _is_fa3_supported(num_heads, num_gqa_groups, head_dim_qk, head_dim_v, qkv_dt
# was observed to grow super-linearly (B=4 took ~4x the B=2 amount, not 2x) —
# revisit if a config uses B>2.
SM90_DET_FUSED_THD_BWD_MAX_BHSS = 1 << 30
if (
use_fused_attention
and fused_attention_backend == FusedAttnBackend.F16_arbitrary_seqlen.value
is_sm90_f16_thd_training = (
fused_attention_backend == FusedAttnBackend.F16_arbitrary_seqlen.value
and is_training
and qkv_format == "thd"
and device_compute_capability == (9, 0)
)
if (
use_fused_attention
and is_sm90_f16_thd_training
and batch_size * num_heads * max_seqlen_q * max_seqlen_kv
>= SM90_DET_FUSED_THD_BWD_MAX_BHSS
):
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