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Add mechanism to export grad norms

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This commit is contained in:
James Betker 2022-03-01 20:19:52 -07:00
parent d9f8f92840
commit 70fa780edb
3 changed files with 32 additions and 3 deletions
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11
codes/models/gpt_voice/unet_diffusion_tts7.py
View File

@ -407,6 +407,17 @@ class DiffusionTts(nn.Module):
zero_module(conv_nd(dims, model_channels, out_channels, kernel_size, padding=padding)),
)
def get_grad_norm_parameter_groups(self):
groups = {
'minicoder': list(self.contextual_embedder.parameters()),
'input_blocks': list(self.input_blocks.parameters()),
'output_blocks': list(self.output_blocks.parameters()),
'middle_transformer': list(self.middle_block.parameters()),
'conditioning_encoder': list(self.conditioning_encoder.parameters())
}
if self.enable_unaligned_inputs:
groups['unaligned_encoder'] = list(self.unaligned_encoder.parameters())
def forward(self, x, timesteps, tokens=None, conditioning_input=None, lr_input=None, unaligned_input=None, conditioning_free=False):
"""

6
codes/train.py
View File

@ -181,6 +181,7 @@ class Trainer:
# because train_data is process-local while the opt variant represents all of the data fed across all GPUs.
self.current_step += 1
self.total_training_data_encountered += batch_size
will_log = self.current_step % opt['logger']['print_freq'] == 0
#### update learning rate
self.model.update_learning_rate(self.current_step, warmup_iter=opt['train']['warmup_iter'])
@ -190,7 +191,7 @@ class Trainer:
print("Update LR: %f" % (time() - _t))
_t = time()
self.model.feed_data(train_data, self.current_step)
self.model.optimize_parameters(self.current_step)
gradient_norms_dict = self.model.optimize_parameters(self.current_step, return_grad_norms=will_log)
if self._profile:
print("Model feed + step: %f" % (time() - _t))
_t = time()
@ -198,13 +199,14 @@ class Trainer:
#### log
if self.dataset_debugger is not None:
self.dataset_debugger.update(train_data)
if self.current_step % opt['logger']['print_freq'] == 0 and self.rank <= 0:
if will_log and self.rank <= 0:
logs = {'step': self.current_step,
'samples': self.total_training_data_encountered,
'megasamples': self.total_training_data_encountered / 1000000}
logs.update(self.model.get_current_log(self.current_step))
if self.dataset_debugger is not None:
logs.update(self.dataset_debugger.get_debugging_map())
logs.update(gradient_norms_dict)
message = '[epoch:{:3d}, iter:{:8,d}, lr:('.format(self.epoch, self.current_step)
for v in self.model.get_current_learning_rate():
message += '{:.3e},'.format(v)

18
codes/trainer/ExtensibleTrainer.py
View File

@ -1,6 +1,7 @@
import copy
import logging
import os
from time import time
import torch
from torch.nn.parallel import DataParallel
@ -232,7 +233,9 @@ class ExtensibleTrainer(BaseModel):
self.dstate[k][c] = self.dstate[k][c][:, :, :, :maxlen]
def optimize_parameters(self, it, optimize=True):
def optimize_parameters(self, it, optimize=True, return_grad_norms=False):
grad_norms = {}
# Some models need to make parametric adjustments per-step. Do that here.
for net in self.networks.values():
if hasattr(net.module, "update_for_step"):
@ -300,6 +303,17 @@ class ExtensibleTrainer(BaseModel):
raise OverwrittenStateError(k, list(state.keys()))
state[k] = v
if return_grad_norms and train_step:
for name in nets_to_train:
model = self.networks[name]
if hasattr(model.module, 'get_grad_norm_parameter_groups'):
pgroups = {f'{name}_{k}': v for k, v in model.module.get_grad_norm_parameter_groups().items()}
else:
pgroups = {f'{name}_all_parameters': list(model.parameters())}
for name in pgroups.keys():
grad_norms[name] = torch.norm(torch.stack([torch.norm(p.grad.detach(), 2) for p in pgroups[name]]), 2)
# (Maybe) perform a step.
if train_step and optimize and self.batch_size_optimizer.should_step(it):
self.consume_gradients(state, step, it)
@ -341,6 +355,8 @@ class ExtensibleTrainer(BaseModel):
os.makedirs(model_vdbg_dir, exist_ok=True)
net.module.visual_dbg(it, model_vdbg_dir)
return grad_norms
def consume_gradients(self, state, step, it):
[e.before_optimize(state) for e in self.experiments]