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fix broken generate and add progress bars

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Vladimir Mandic
2023-03-26 14:23:45 -04:00
parent a4d00060eb
commit 404a2a2cb2
13 changed files with 93 additions and 87 deletions
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modules/models/diffusion/uni_pc/uni_pc.py
+44 -37
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@@ -1,7 +1,8 @@
import torch
import torch.nn.functional as F
import math
from tqdm.auto import trange
import time
from rich.progress import Progress, TextColumn, BarColumn, TaskProgressColumn, TimeRemainingColumn, TimeElapsedColumn
class NoiseScheduleVP:
@@ -753,44 +754,50 @@ class UniPC:
timesteps = self.get_time_steps(skip_type=skip_type, t_T=t_T, t_0=t_0, N=steps, device=device)
#print(f"Running UniPC Sampling with {timesteps.shape[0]} timesteps, order {order}")
assert timesteps.shape[0] - 1 == steps
with torch.no_grad():
vec_t = timesteps[0].expand((x.shape[0]))
model_prev_list = [self.model_fn(x, vec_t)]
t_prev_list = [vec_t]
# Init the first `order` values by lower order multistep DPM-Solver.
for init_order in range(1, order):
vec_t = timesteps[init_order].expand(x.shape[0])
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, init_order, use_corrector=True)
if model_x is None:
model_x = self.model_fn(x, vec_t)
if self.after_update is not None:
self.after_update(x, model_x)
model_prev_list.append(model_x)
t_prev_list.append(vec_t)
for step in trange(order, steps + 1):
vec_t = timesteps[step].expand(x.shape[0])
if lower_order_final:
step_order = min(order, steps + 1 - step)
else:
step_order = order
#print('this step order:', step_order)
if step == steps:
#print('do not run corrector at the last step')
use_corrector = False
else:
use_corrector = True
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, step_order, use_corrector=use_corrector)
if self.after_update is not None:
self.after_update(x, model_x)
for i in range(order - 1):
t_prev_list[i] = t_prev_list[i + 1]
model_prev_list[i] = model_prev_list[i + 1]
t_prev_list[-1] = vec_t
# We do not need to evaluate the final model value.
if step < steps:
with Progress(TextColumn('[cyan]{task.description}'), BarColumn(), TaskProgressColumn(), TimeRemainingColumn(), TimeElapsedColumn()) as progress:
task = progress.add_task(description="Initializing", total=steps)
t = time.time()
with torch.no_grad():
vec_t = timesteps[0].expand((x.shape[0]))
model_prev_list = [self.model_fn(x, vec_t)]
t_prev_list = [vec_t]
# Init the first `order` values by lower order multistep DPM-Solver.
for init_order in range(1, order):
vec_t = timesteps[init_order].expand(x.shape[0])
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, init_order, use_corrector=True)
if model_x is None:
model_x = self.model_fn(x, vec_t)
model_prev_list[-1] = model_x
if self.after_update is not None:
self.after_update(x, model_x)
model_prev_list.append(model_x)
t_prev_list.append(vec_t)
progress.update(task, advance=1, description=f"Progress {round(len(vec_t) * init_order / (time.time() - t), 2)}it/s")
# for step in trange(order, steps + 1):
for step in range(order, steps + 1):
vec_t = timesteps[step].expand(x.shape[0])
if lower_order_final:
step_order = min(order, steps + 1 - step)
else:
step_order = order
#print('this step order:', step_order)
if step == steps:
#print('do not run corrector at the last step')
use_corrector = False
else:
use_corrector = True
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, step_order, use_corrector=use_corrector)
if self.after_update is not None:
self.after_update(x, model_x)
for i in range(order - 1):
t_prev_list[i] = t_prev_list[i + 1]
model_prev_list[i] = model_prev_list[i + 1]
t_prev_list[-1] = vec_t
# We do not need to evaluate the final model value.
if step < steps:
if model_x is None:
model_x = self.model_fn(x, vec_t)
model_prev_list[-1] = model_x
progress.update(task, advance=1, description=f"Progress {round(len(vec_t) * step / (time.time() - t), 2)}it/s")
else:
raise NotImplementedError()
if denoise_to_zero: