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Use bigger tiles when upscaling with model and fallback on OOM.

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comfyanonymous 2023-07-24 19:47:32 -04:00
parent 5f75d784a1
commit a51f33ee49
1 changed files with 16 additions and 5 deletions
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21
comfy_extras/nodes_upscale_model.py
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@ -37,12 +37,23 @@ class ImageUpscaleWithModel:
device = model_management.get_torch_device() device = model_management.get_torch_device()
upscale_model.to(device) upscale_model.to(device)
in_img = image.movedim(-1,-3).to(device) in_img = image.movedim(-1,-3).to(device)
free_memory = model_management.get_free_memory(device)
tile = 512
overlap = 32
oom = True
while oom:
try:
steps = in_img.shape[0] * comfy.utils.get_tiled_scale_steps(in_img.shape[3], in_img.shape[2], tile_x=tile, tile_y=tile, overlap=overlap)
pbar = comfy.utils.ProgressBar(steps)
s = comfy.utils.tiled_scale(in_img, lambda a: upscale_model(a), tile_x=tile, tile_y=tile, overlap=overlap, upscale_amount=upscale_model.scale, pbar=pbar)
oom = False
except model_management.OOM_EXCEPTION as e:
tile //= 2
if tile < 128:
raise e
tile = 128 + 64
overlap = 8
steps = in_img.shape[0] * comfy.utils.get_tiled_scale_steps(in_img.shape[3], in_img.shape[2], tile_x=tile, tile_y=tile, overlap=overlap)
pbar = comfy.utils.ProgressBar(steps)
s = comfy.utils.tiled_scale(in_img, lambda a: upscale_model(a), tile_x=tile, tile_y=tile, overlap=overlap, upscale_amount=upscale_model.scale, pbar=pbar)
upscale_model.cpu() upscale_model.cpu()
s = torch.clamp(s.movedim(-3,-1), min=0, max=1.0) s = torch.clamp(s.movedim(-3,-1), min=0, max=1.0)
return (s,) return (s,)