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Allow disabling pe in flux code for some other models.

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comfyanonymous
2025-03-18 05:09:25 -04:00
parent 50614f1b79
commit 3b19fc76e3
2 changed files with 10 additions and 6 deletions
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9
comfy/ldm/flux/math.py
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@@ -10,10 +10,11 @@ def attention(q: Tensor, k: Tensor, v: Tensor, pe: Tensor, mask=None) -> Tensor:
q_shape = q.shape
k_shape = k.shape
q = q.to(dtype=pe.dtype).reshape(*q.shape[:-1], -1, 1, 2)
k = k.to(dtype=pe.dtype).reshape(*k.shape[:-1], -1, 1, 2)
q = (pe[..., 0] * q[..., 0] + pe[..., 1] * q[..., 1]).reshape(*q_shape).type_as(v)
k = (pe[..., 0] * k[..., 0] + pe[..., 1] * k[..., 1]).reshape(*k_shape).type_as(v)
if pe is not None:
q = q.to(dtype=pe.dtype).reshape(*q.shape[:-1], -1, 1, 2)
k = k.to(dtype=pe.dtype).reshape(*k.shape[:-1], -1, 1, 2)
q = (pe[..., 0] * q[..., 0] + pe[..., 1] * q[..., 1]).reshape(*q_shape).type_as(v)
k = (pe[..., 0] * k[..., 0] + pe[..., 1] * k[..., 1]).reshape(*k_shape).type_as(v)
heads = q.shape[1]
x = optimized_attention(q, k, v, heads, skip_reshape=True, mask=mask)