summaryrefslogtreecommitdiff
path: root/models
diff options
context:
space:
mode:
Diffstat (limited to 'models')
-rw-r--r--models/model.py24
1 files changed, 17 insertions, 7 deletions
diff --git a/models/model.py b/models/model.py
index 6b799ad..cccb6c4 100644
--- a/models/model.py
+++ b/models/model.py
@@ -141,6 +141,7 @@ class Model:
# Prepare for model, optimizer and scheduler
model_hp = self.hp.get('model', {})
optim_hp: dict = self.hp.get('optimizer', {}).copy()
+ start_iter = optim_hp.pop('start_iter', 0)
ae_optim_hp = optim_hp.pop('auto_encoder', {})
pn_optim_hp = optim_hp.pop('part_net', {})
hpm_optim_hp = optim_hp.pop('hpm', {})
@@ -151,9 +152,6 @@ class Model:
self.rgb_pn = self.rgb_pn.to(self.device)
self.optimizer = optim.Adam([
{'params': self.rgb_pn.ae.parameters(), **ae_optim_hp},
- {'params': self.rgb_pn.pn.parameters(), **pn_optim_hp},
- {'params': self.rgb_pn.hpm.parameters(), **hpm_optim_hp},
- {'params': self.rgb_pn.fc_mat, **fc_optim_hp},
], **optim_hp)
self.scheduler = optim.lr_scheduler.StepLR(self.optimizer, **sched_hp)
self.writer = SummaryWriter(self._log_name)
@@ -173,8 +171,18 @@ class Model:
start_time = datetime.now()
running_loss = torch.zeros(4).to(self.device)
print(f"{'Iter':^5} {'Loss':^6} {'Xrecon':^8} {'PoseSim':^8}",
- f"{'CanoCons':^8} {'BATrip':^8} {'LR':^9}")
+ f"{'CanoCons':^8} {'BATrip':^8} LR(s)")
for (batch_c1, batch_c2) in dataloader:
+ if self.curr_iter == start_iter:
+ self.optimizer.add_param_group(
+ {'params': self.rgb_pn.pn.parameters(), **pn_optim_hp}
+ )
+ self.optimizer.add_param_group(
+ {'params': self.rgb_pn.hpm.parameters(), **hpm_optim_hp}
+ )
+ self.optimizer.add_param_group(
+ {'params': self.rgb_pn.fc_mat, **fc_optim_hp}
+ )
self.curr_iter += 1
# Zero the parameter gradients
self.optimizer.zero_grad()
@@ -186,8 +194,6 @@ class Model:
loss = losses.sum()
loss.backward()
self.optimizer.step()
- # Step scheduler
- self.scheduler.step()
# Statistics and checkpoint
running_loss += losses.detach()
@@ -199,11 +205,15 @@ class Model:
], losses)), self.curr_iter)
if self.curr_iter % 100 == 0:
+ lrs = self.scheduler.get_last_lr()
print(f'{self.curr_iter:5d} {running_loss.sum() / 100:6.3f}',
'{:f} {:f} {:f} {:f}'.format(*running_loss / 100),
- f'{self.scheduler.get_last_lr()[0]:.3e}')
+ ' '.join(('{:.3e}'.format(lr) for lr in lrs)))
running_loss.zero_()
+ # Step scheduler
+ self.scheduler.step()
+
if self.curr_iter % 1000 == 0:
torch.save({
'iter': self.curr_iter,