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Rever RoPE scaling to simpler one

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This commit is contained in:
kijai 2025-11-27 17:53:37 +02:00
parent e74db2404f
commit f1a5f6f5b3
3 changed files with 11 additions and 20 deletions
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23
comfy/ldm/kandinsky5/model.py
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@ -307,23 +307,14 @@ class Kandinsky5(nn.Module):
h_start += rope_options.get("shift_y", 0.0)
w_start += rope_options.get("shift_x", 0.0)
else:
if self.model_dim == 4096: # pro video model,this is experimental as the original code only had two fixed scales for 512p and 1024p
spatial_size = h * w
scale_16384 = (1.0, 3.16, 3.16)
scale_9216 = (1.0, 2.0, 2.0)
if spatial_size <= 6144:
rope_scale_factor = scale_9216
elif spatial_size >= 14080:
rope_scale_factor = scale_16384
else:
t = (spatial_size - 14080) / (6144 - 14080)
rope_scale_factor = tuple(a + (b - a) * t for a, b in zip(scale_16384, scale_9216))
else:
rope_scale_factor = self.rope_scale_factor
rope_scale_factor = self.rope_scale_factor
if self.model_dim == 4096: # pro video model uses different rope scaling at higher resolutions
if h * w >= 14080:
rope_scale_factor = (1.0, 3.16, 3.16)
t_len = (t_len - 1.0) // rope_scale_factor[0] + 1.0
h_len = (h_len - 1.0) // rope_scale_factor[1] + 1.0
w_len = (w_len - 1.0) // rope_scale_factor[2] + 1.0
t_len = (t_len - 1.0) / rope_scale_factor[0] + 1.0
h_len = (h_len - 1.0) / rope_scale_factor[1] + 1.0
w_len = (w_len - 1.0) / rope_scale_factor[2] + 1.0
img_ids = torch.zeros((steps_t, steps_h, steps_w, 3), device=device, dtype=dtype)
img_ids[:, :, :, 0] = img_ids[:, :, :, 0] + torch.linspace(t_start, t_start + (t_len - 1), steps=steps_t, device=device, dtype=dtype).reshape(-1, 1, 1)