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Fix tiled VAE encode memory admission estimate

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xmarre 2026-04-16 12:49:49 +02:00
parent 500ca8e02a
commit 9c210473fc
1 changed files with 11 additions and 1 deletions
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12
comfy/sd.py
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@ -1083,7 +1083,17 @@ class VAE:
else:
pixel_samples = pixel_samples.unsqueeze(2)
memory_used = self.memory_used_encode(pixel_samples.shape, self.vae_dtype) # TODO: calculate mem required for tile
if dims == 2:
default_tile_x = 512 if tile_x is None else tile_x
default_tile_y = 512 if tile_y is None else tile_y
tile_shapes = [
(1, pixel_samples.shape[1], min(pixel_samples.shape[2], max(1, default_tile_y)), min(pixel_samples.shape[3], max(1, default_tile_x))),
(1, pixel_samples.shape[1], min(pixel_samples.shape[2], max(1, default_tile_y // 2)), min(pixel_samples.shape[3], max(1, default_tile_x * 2))),
(1, pixel_samples.shape[1], min(pixel_samples.shape[2], max(1, default_tile_y * 2)), min(pixel_samples.shape[3], max(1, default_tile_x // 2))),
]
memory_used = max(self.memory_used_encode(shape, self.vae_dtype) for shape in tile_shapes)
else:
memory_used = self.memory_used_encode(pixel_samples.shape, self.vae_dtype)
model_management.load_models_gpu([self.patcher], memory_required=memory_used, force_full_load=self.disable_offload)
args = {}