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renzhc
diffusers_dcu
Commits
e1ef1222
Commit
e1ef1222
authored
Jun 20, 2022
by
Narek Maloyan
Browse files
fix alphas_cumprod
parent
4497e78d
Changes
1
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src/diffusers/schedulers/scheduling_ddpm.py
src/diffusers/schedulers/scheduling_ddpm.py
+2
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src/diffusers/schedulers/scheduling_ddpm.py
View file @
e1ef1222
...
@@ -137,8 +137,8 @@ class DDPMScheduler(SchedulerMixin, ConfigMixin):
...
@@ -137,8 +137,8 @@ class DDPMScheduler(SchedulerMixin, ConfigMixin):
return
pred_prev_sample
return
pred_prev_sample
def
forward_step
(
self
,
original_sample
,
noise
,
t
):
def
forward_step
(
self
,
original_sample
,
noise
,
t
):
sqrt_alpha_prod
=
self
.
alpha
_
prod
_t
[
t
]
**
0.5
sqrt_alpha_prod
=
self
.
alpha
s_cum
prod
[
t
]
**
0.5
sqrt_one_minus_alpha_prod
=
(
1
-
self
.
alpha
_
prod
_t
[
t
])
**
0.5
sqrt_one_minus_alpha_prod
=
(
1
-
self
.
alpha
s_cum
prod
[
t
])
**
0.5
noisy_sample
=
sqrt_alpha_prod
*
original_sample
+
sqrt_one_minus_alpha_prod
*
noise
noisy_sample
=
sqrt_alpha_prod
*
original_sample
+
sqrt_one_minus_alpha_prod
*
noise
return
noisy_sample
return
noisy_sample
...
...
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