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add option SWIN_torch_compile to accelerate SwinIR upscale using torch.compile()

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This commit is contained in:
SiYu Wu 2023-07-09 03:05:38 +08:00
parent 4da92281f6
commit 44d66daaad
1 changed files with 23 additions and 6 deletions
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29
extensions-builtin/SwinIR/scripts/swinir_model.py
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@ -1,4 +1,5 @@
import sys
import platform
import numpy as np
import torch
@ -18,6 +19,8 @@ device_swinir = devices.get_device_for('swinir')
class UpscalerSwinIR(Upscaler):
def __init__(self, dirname):
self._cached_model = None # keep the model when SWIN_torch_compile is on to prevent re-compile every runs
self._cached_model_config = None # to clear '_cached_model' when changing model (v1/v2) or settings
self.name = "SwinIR"
self.model_url = SWINIR_MODEL_URL
self.model_name = "SwinIR 4x"
@ -35,12 +38,24 @@ class UpscalerSwinIR(Upscaler):
self.scalers = scalers
def do_upscale(self, img, model_file):
try:
model = self.load_model(model_file)
except Exception as e:
print(f"Failed loading SwinIR model {model_file}: {e}", file=sys.stderr)
return img
model = model.to(device_swinir, dtype=devices.dtype)
use_compile = hasattr(opts, 'SWIN_torch_compile') and opts.SWIN_torch_compile \
and int(torch.__version__.split('.')[0]) >= 2 and platform.system() != "Windows"
current_config = (model_file, opts.SWIN_tile)
if use_compile and self._cached_model_config == current_config:
model = self._cached_model
else:
self._cached_model = None
try:
model = self.load_model(model_file)
except Exception as e:
print(f"Failed loading SwinIR model {model_file}: {e}", file=sys.stderr)
return img
model = model.to(device_swinir, dtype=devices.dtype)
if use_compile:
model = torch.compile(model)
self._cached_model = model
self._cached_model_config = current_config
img = upscale(img, model)
devices.torch_gc()
return img
@ -170,6 +185,8 @@ def on_ui_settings():
shared.opts.add_option("SWIN_tile", shared.OptionInfo(192, "Tile size for all SwinIR.", gr.Slider, {"minimum": 16, "maximum": 512, "step": 16}, section=('upscaling', "Upscaling")))
shared.opts.add_option("SWIN_tile_overlap", shared.OptionInfo(8, "Tile overlap, in pixels for SwinIR. Low values = visible seam.", gr.Slider, {"minimum": 0, "maximum": 48, "step": 1}, section=('upscaling', "Upscaling")))
if int(torch.__version__.split('.')[0]) >= 2 and platform.system() != "Windows": # torch.compile() require pytorch 2.0 or above, and not on Windows
shared.opts.add_option("SWIN_torch_compile", shared.OptionInfo(False, "Use torch.compile to accelerate SwinIR.", gr.Checkbox, {"interactive": True}, section=('upscaling', "Upscaling")).info("Takes longer on first run"))
script_callbacks.on_ui_settings(on_ui_settings)