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stable-diffusion-webui
Commits
85b97cc4
Commit
85b97cc4
authored
Sep 13, 2022
by
AUTOMATIC
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bandaid for broken ddim sampling #389
parent
950064ee
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7 additions
and
2 deletions
+7
-2
sd_samplers.py
modules/sd_samplers.py
+7
-2
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modules/sd_samplers.py
View file @
85b97cc4
...
...
@@ -97,7 +97,7 @@ class VanillaStableDiffusionSampler:
def
sample_img2img
(
self
,
p
,
x
,
noise
,
conditioning
,
unconditional_conditioning
):
t_enc
=
int
(
min
(
p
.
denoising_strength
,
0.999
)
*
p
.
steps
)
# existing code fails with cetin step counts, like 9
# existing code fails with cet
a
in step counts, like 9
try
:
self
.
sampler
.
make_schedule
(
ddim_num_steps
=
p
.
steps
,
verbose
=
False
)
except
Exception
:
...
...
@@ -122,7 +122,12 @@ class VanillaStableDiffusionSampler:
self
.
nmask
=
None
self
.
init_latent
=
None
samples_ddim
,
_
=
self
.
sampler
.
sample
(
S
=
p
.
steps
,
conditioning
=
conditioning
,
batch_size
=
int
(
x
.
shape
[
0
]),
shape
=
x
[
0
]
.
shape
,
verbose
=
False
,
unconditional_guidance_scale
=
p
.
cfg_scale
,
unconditional_conditioning
=
unconditional_conditioning
,
x_T
=
x
)
# existing code fails with cetin step counts, like 9
try
:
samples_ddim
,
_
=
self
.
sampler
.
sample
(
S
=
p
.
steps
,
conditioning
=
conditioning
,
batch_size
=
int
(
x
.
shape
[
0
]),
shape
=
x
[
0
]
.
shape
,
verbose
=
False
,
unconditional_guidance_scale
=
p
.
cfg_scale
,
unconditional_conditioning
=
unconditional_conditioning
,
x_T
=
x
)
except
Exception
:
samples_ddim
,
_
=
self
.
sampler
.
sample
(
S
=
p
.
steps
+
1
,
conditioning
=
conditioning
,
batch_size
=
int
(
x
.
shape
[
0
]),
shape
=
x
[
0
]
.
shape
,
verbose
=
False
,
unconditional_guidance_scale
=
p
.
cfg_scale
,
unconditional_conditioning
=
unconditional_conditioning
,
x_T
=
x
)
return
samples_ddim
...
...
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