def train_dense(cfg, generation):
model = net_utils.get_model(cfg)
if cfg.pretrained and cfg.pretrained != 'imagenet':
net_utils.load_pretrained(cfg.pretrained,cfg.gpu, model,cfg)
model = net_utils.move_model_to_gpu(cfg, model)
net_utils.split_reinitialize(cfg,model,reset_hypothesis=cfg.reset_hypothesis)
else:
model = net_utils.move_model_to_gpu(cfg, model)
cfg.trainer = 'default_cls'
# cfg.split_rate = 1.0
# cfg.bias_split_rate = 1.0
cfg.pretrained = None
ckpt_path = KE_model.ke_cls_train(cfg, model,generation)
return ckpt_path
def train_ddp(rank, cfg, return_dict):
cfg.gpu = rank + cfg.base_gpu
print(f"Train Running basic DDP example on rank {rank}.")
setup(rank, cfg.world_size, start_port)
cfg.log_file = 'train_{}.txt'.format(cfg.gpu)
log_file = os.path.join(cfg.exp_dir, cfg.log_file)
logging.config.dictConfig(log_utils.get_logging_dict(log_file, mode='a+'))
cfg.logger = logging.getLogger('train')
cfg.logger.info('Getting the model')
pretrain_model = net_utils.get_model(cfg)
pretrain_model = torch.nn.DataParallel(pretrain_model)
if cfg.pretrained and cfg.pretrained != 'imagenet':
net_utils.load_pretrained(cfg.pretrained, cfg.gpu, pretrain_model, cfg)
classifier_layer = nn.Linear(
in_features=pretrain_model.module.backbone.output_dim,
out_features=cfg.num_cls,
bias=True).cuda()
for m in pretrain_model.parameters():
if hasattr(m, "requires_grad") and m.requires_grad is not None:
m.requires_grad = False
cfg.logger.info('Start Training: Model conv 1 initialization {}'.format(
torch.sum(pretrain_model.module.backbone.conv1.weight)))
model = nn.Sequential(
pretrain_model.module.backbone,
classifier_layer,
)
cfg.logger.info('Moving the model to GPU {}'.format(cfg.gpu))
model = net_utils.move_model_to_gpu(cfg, model)
cfg.logger.info('Model conv 1 initialization {}'.format(
torch.sum(model[0].conv1.weight)))
if cfg.world_size > 1:
model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(model)
model = DDP(model, device_ids=[cfg.gpu], output_device=cfg.gpu)
trn_classifier.trn(cfg, model)
if cfg.gpu == cfg.base_gpu:
return_dict['ckpt_path'] = None
cleanup()
def eval_slim(cfg, generation):
original_num_epos = cfg.epochs
# cfg.epochs = 0
softmax_criterion = nn.CrossEntropyLoss().cuda()
epoch = 1
writer = None
model = net_utils.get_model(cfg)
net_utils.load_pretrained(cfg.pretrained, cfg.gpu, model,cfg)
# if cfg.reset_mask:
# net_utils.reset_mask(cfg, model)
model = net_utils.move_model_to_gpu(cfg, model)
save_filter_stats = (cfg.arch in ['split_alexnet','split_vgg11_bn'])
if save_filter_stats:
for n, m in model.named_modules():
if hasattr(m, "weight") and m.weight is not None:
if hasattr(m, "mask"):
layer_mask = m.mask
if m.__class__ == conv_type.SplitConv:
# filter_state = [''.join(map(str, ((score_mask == True).type(torch.int).squeeze().tolist())))]
filter_mag = ['{},{}'.format(
float(torch.mean(torch.abs(m.weight[layer_mask.type(torch.bool)]))),
float(torch.mean(torch.abs(m.weight[(1-layer_mask).type(torch.bool)]))))
]
os_utils.txt_write(osp.join(cfg.exp_dir, n.replace('.', '_') + '_mean_magnitude.txt'), filter_mag, mode='a+')
dummy_input_tensor = torch.zeros((1, 3, 224, 224)).cuda()
total_ops, total_params = model_profile.profile(model, dummy_input_tensor)
cfg.logger.info("Dense #Ops: %f GOps" % (total_ops / 1e9))
cfg.logger.info("Dense #Parameters: %f M" % (total_params / 1e6))
original_split_rate = cfg.split_rate
original_bias_split_rate = cfg.bias_split_rate
if cfg.split_mode == 'kels':
cfg.slim_factor = cfg.split_rate
cfg.split_rate = 1.0
cfg.bias_split_rate = 1.0
split_model = net_utils.get_model(cfg)
split_model = net_utils.move_model_to_gpu(cfg, split_model)
total_ops, total_params = model_profile.profile(split_model, dummy_input_tensor)
cfg.logger.info("Split #Ops: %f GOps" % (total_ops / 1e9))
cfg.logger.info("Split #Parameters: %f M" % (total_params / 1e6))
net_utils.extract_slim(split_model, model)
dataset = getattr(data, cfg.set)(cfg)
train, validate = get_trainer(cfg)
last_val_acc1, last_val_acc5 = validate(dataset.tst_loader, split_model, softmax_criterion, cfg, writer, epoch)
cfg.logger.info('Split Model : {} , {}'.format(last_val_acc1, last_val_acc5))
else:
last_val_acc1 = 0
last_val_acc5 = 0
csv_utils.write_cls_result_to_csv(
## Validation
curr_acc1=0,
curr_acc5=0,
best_acc1=0,
best_acc5=0,
## Test
last_tst_acc1=last_val_acc1,
last_tst_acc5=last_val_acc5,
best_tst_acc1=0,
best_tst_acc5=0,
## Train
best_train_acc1=0,
best_train_acc5=0,
split_rate='slim',
bias_split_rate='slim',
base_config=cfg.name,
name=cfg.name,
)
cfg.epochs = original_num_epos
cfg.slim_factor = 1
cfg.split_rate = original_split_rate
cfg.bias_split_rate = original_bias_split_rate