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Disable calculating uncond when CFG is 1.0

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comfyanonymous 2023-08-09 20:32:30 -04:00
parent 5ac96897e9
commit cf10c5592c
1 changed files with 9 additions and 5 deletions
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4
comfy/samplers.py
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@ -189,6 +189,7 @@ def sampling_function(model_function, x, timestep, uncond, cond, cond_scale, con
continue continue
to_run += [(p, COND)] to_run += [(p, COND)]
if uncond is not None:
for x in uncond: for x in uncond:
p = get_area_and_mult(x, x_in, cond_concat_in, timestep) p = get_area_and_mult(x, x_in, cond_concat_in, timestep)
if p is None: if p is None:
@ -282,6 +283,9 @@ def sampling_function(model_function, x, timestep, uncond, cond, cond_scale, con
max_total_area = model_management.maximum_batch_area() max_total_area = model_management.maximum_batch_area()
if math.isclose(cond_scale, 1.0):
uncond = None
cond, uncond = calc_cond_uncond_batch(model_function, cond, uncond, x, timestep, max_total_area, cond_concat, model_options) cond, uncond = calc_cond_uncond_batch(model_function, cond, uncond, x, timestep, max_total_area, cond_concat, model_options)
if "sampler_cfg_function" in model_options: if "sampler_cfg_function" in model_options:
args = {"cond": cond, "uncond": uncond, "cond_scale": cond_scale, "timestep": timestep} args = {"cond": cond, "uncond": uncond, "cond_scale": cond_scale, "timestep": timestep}