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| author | Jordan Gong <jordan.gong@protonmail.com> | 2021-03-02 20:22:38 +0800 |
|---|---|---|
| committer | Jordan Gong <jordan.gong@protonmail.com> | 2021-03-02 20:22:38 +0800 |
| commit | b274351a8528bc63e52afd6a5d0c34811cea84b1 (patch) | |
| tree | b41df93b460f2166f930fad5ef34ca92d3dc775f /models | |
| parent | c3143f388730d2869067f6f259775289c742bb48 (diff) | |
| parent | 7fac206f92602462ad8eecde524b0324f7991bde (diff) | |
Merge branch 'data_parallel' into data_parallel_py3.8
Diffstat (limited to 'models')
| -rw-r--r-- | models/model.py | 27 | ||||
| -rw-r--r-- | models/rgb_part_net.py | 2 |
2 files changed, 16 insertions, 13 deletions
diff --git a/models/model.py b/models/model.py index 42064fe..7aa103e 100644 --- a/models/model.py +++ b/models/model.py @@ -187,11 +187,14 @@ class Model: ], **optim_hp) sched_final_gamma = sched_hp.get('final_gamma', 0.001) sched_start_step = sched_hp.get('start_step', 15_000) + all_step = self.total_iter - sched_start_step def lr_lambda(epoch): - passed_step = epoch - sched_start_step - all_step = self.total_iter - sched_start_step - return sched_final_gamma ** (passed_step / all_step) + if epoch > sched_start_step: + passed_step = epoch - sched_start_step + return sched_final_gamma ** (passed_step / all_step) + else: + return 1 self.scheduler = optim.lr_scheduler.LambdaLR(self.optimizer, lr_lambda=[ lr_lambda, lr_lambda, lr_lambda, lr_lambda ]) @@ -227,11 +230,10 @@ class Model: y = batch_c1['label'].to(self.device) # Duplicate labels for each part y = y.repeat(self.rgb_pn.module.num_total_parts, 1) - trip_loss, dist, num_non_zero = self.triplet_loss( - embedding.contiguous(), y - ) + embedding = embedding.transpose(0, 1) + trip_loss, dist, num_non_zero = self.triplet_loss(embedding, y) losses = torch.cat(( - ae_losses.mean(0), + ae_losses.view(-1, 3).mean(0), torch.stack(( trip_loss[:self.rgb_pn.module.hpm_num_parts].mean(), trip_loss[self.rgb_pn.module.hpm_num_parts:].mean() @@ -287,13 +289,14 @@ class Model: 'Embedding/PartNet norm', mean_pa_norm, self.k, self.pr * self.k, self.curr_iter ) + # Learning rate + lrs = self.scheduler.get_last_lr() + # Write learning rates + self.writer.add_scalar( + 'Learning rate', lrs[0], self.curr_iter + ) if self.curr_iter % 100 == 0: - lrs = self.scheduler.get_last_lr() - # Write learning rates - self.writer.add_scalar( - 'Learning rate', lrs[0], self.curr_iter - ) # Write disentangled images if self.image_log_on: i_a, i_c, i_p = images diff --git a/models/rgb_part_net.py b/models/rgb_part_net.py index 310ef25..1cda91c 100644 --- a/models/rgb_part_net.py +++ b/models/rgb_part_net.py @@ -69,7 +69,7 @@ class RGBPartNet(nn.Module): x = self.fc(x) if self.training: - return x, ae_losses, images + return x.transpose(0, 1), ae_losses, images else: return x.unsqueeze(1).view(-1) |