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Disable sage attention on ace step 1.5 (#12297)

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comfyanonymous 2026-02-04 19:15:30 -08:00 committed by GitHub
parent 6125b80979
commit a50c32d63f
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2 changed files with 4 additions and 1 deletions
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2
comfy/ldm/ace/ace_step15.py
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@ -183,7 +183,7 @@ class AceStepAttention(nn.Module):
else:
attn_bias = window_bias
attn_output = optimized_attention(query_states, key_states, value_states, self.num_heads, attn_bias, skip_reshape=True)
attn_output = optimized_attention(query_states, key_states, value_states, self.num_heads, attn_bias, skip_reshape=True, low_precision_attention=False)
attn_output = self.o_proj(attn_output)
return attn_output

3
comfy/ldm/modules/attention.py
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@ -524,6 +524,9 @@ def attention_pytorch(q, k, v, heads, mask=None, attn_precision=None, skip_resha
@wrap_attn
def attention_sage(q, k, v, heads, mask=None, attn_precision=None, skip_reshape=False, skip_output_reshape=False, **kwargs):
if kwargs.get("low_precision_attention", True) is False:
return attention_pytorch(q, k, v, heads, mask=mask, skip_reshape=skip_reshape, skip_output_reshape=skip_output_reshape, **kwargs)
exception_fallback = False
if skip_reshape:
b, _, _, dim_head = q.shape