def __init__(self, Net, device, global_records, config):
# Initializations
self.device = device
self.global_records = global_records
self.config = config
self.logger = logging.getLogger(__name__)
# Initialize network
self.net = Net(**self.config['net'])
# Then load its params if available
if self.config['net'].get('saved_params_path', None) is not None:
self.load_net(self.config['net']['saved_params_path'])
# Initialize optimizer
self.setup_optimizer()
# Initialize learning rate scheduler
self.setup_lr_scheduler()
# Transfer network to device
self.net.to(self.device)
self.logger.info(self.net)
self.logger.info("Number of parameters: %d" %
(count_parameters(self.net)))
# Losses for all models (more can be defined in derived models if needed)
self.mse_loss_fn = nn.MSELoss(reduction='none')
self.mae_loss_fn = nn.L1Loss(reduction='none')
# Initialize epoch number
self.epoch = 0
def main():
torch.manual_seed(1)
if args.cuda:
torch.cuda.manual_seed(1)
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = True
exp_dir = os.path.join("data", args.exp_name)
make_dir_if_not_exist(exp_dir)
model = Resnet(device, args.num_classes)
model = nn.DataParallel(model, device_ids=args.gpu_devices)
model.to(device)
model_dict = None
if args.ckp:
if os.path.isfile(args.ckp):
print("=> Loading checkpoint '{}'".format(args.ckp))
model_dict = torch.load(args.ckp)
print("=> Loaded checkpoint '{}'".format(args.ckp))
if (args.mode == 'demo') and (model_dict is None):
print("Please specify model path")
return
if model_dict is not None:
model.load_state_dict(model_dict['state_dict'])
cudnn.benchmark = True
params = []
for key, value in dict(model.named_parameters()).items():
if value.requires_grad:
params += [{'params': [value]}]
print("Number of trainable params - {}".format(count_parameters(model)))
criterion = torch.nn.NLLLoss(None, ignore_index=255)
optimizer = optim.Adam(params, lr=args.lr)
if args.mode == 'demo':
train_data_loader, test_data_loader = sample_data(args.dset)
test(test_data_loader, model, criterion, demo=True)
return
for epoch in range(1, args.epochs + 1):
train_data_loader, test_data_loader = sample_data(args.dset)
test(test_data_loader, model, criterion)
train(train_data_loader, model, criterion, optimizer, epoch)
model_to_save = {
"epoch": epoch + 1,
'state_dict': model.state_dict(),
}
if epoch % args.ckp_freq == 0:
file_name = os.path.join(exp_dir,
"checkpoint_" + str(epoch) + ".pth")
save_checkpoint(model_to_save, file_name)
def start_training():
logger.info("Setup config, data and model...")
opt = BaseOptions().parse()
set_seed(opt.seed)
if opt.debug: # keep the model run deterministically
# 'cudnn.benchmark = True' enabled auto finding the best algorithm for a specific input/net config.
# Enable this only when input size is fixed.
cudnn.benchmark = False
cudnn.deterministic = True
opt.writer = SummaryWriter(opt.tensorboard_log_dir)
opt.train_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Loss] {loss_str}\n"
opt.eval_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Metrics] {eval_metrics_str}\n"
train_dataset = ExCLDataset(
dset_name=opt.dset_name,
data_path=opt.train_path,
desc_bert_path_or_handler=opt.desc_bert_path,
sub_bert_path_or_handler=opt.sub_bert_path,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
vid_feat_path_or_handler=opt.vid_feat_path,
clip_length=opt.clip_length,
ctx_mode=opt.ctx_mode,
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat,
)
if opt.eval_path is not None:
eval_dataset = ExCLDataset(
dset_name=opt.dset_name,
data_path=opt.eval_path,
desc_bert_path_or_handler=train_dataset.desc_bert_h5,
sub_bert_path_or_handler=train_dataset.sub_bert_h5 if "sub" in opt.ctx_mode else None,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
vid_feat_path_or_handler=train_dataset.vid_feat_h5 if "video" in opt.ctx_mode else None,
clip_length=opt.clip_length,
ctx_mode=opt.ctx_mode,
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat,
video_duration_idx_path=opt.video_duration_idx_path,
eval_split_name=opt.eval_split_name
)
else:
eval_dataset = None
model_config = EDict(
visual_input_size=opt.vid_feat_size,
sub_input_size=opt.sub_feat_size, # for both desc and subtitles
query_input_size=opt.q_feat_size, # for both desc and subtitles
hidden_size=opt.hidden_size,
drop=opt.drop,
ctx_mode=opt.ctx_mode, # video, sub or video_sub
initializer_range=opt.initializer_range
)
logger.info("model_config {}".format(model_config))
model = EXCL(model_config)
count_parameters(model)
logger.info("Start Training...")
train(model, train_dataset, eval_dataset, opt)
return opt.results_dir, opt.eval_split_name, opt.eval_path, opt.debug
print("Log save path:", log_path)
# ----------------------- Dataset -----------------------
train_dataset = SyntheticTrainingDataset(npz_path=train_path,
params_from='all')
val_dataset = SyntheticTrainingDataset(npz_path=val_path, params_from='all')
train_val_monitor_datasets = [train_dataset, val_dataset]
print("Training examples found:", len(train_dataset))
print("Validation examples found:", len(val_dataset))
# ----------------------- Models -----------------------
# Regressor
regressor = SingleInputRegressor(resnet_in_channels,
resnet_layers,
ief_iters=ief_iters)
num_params = count_parameters(regressor)
print("\nRegressor model Loaded. ", num_params, "trainable parameters.")
# SMPL model
smpl_model = SMPL(config.SMPL_MODEL_DIR, batch_size=batch_size)
# Camera and NMR part/silhouette renderer
# Assuming camera rotation is identity (since it is dealt with by global_orients in SMPL)
mean_cam_t = np.array([0., 0.2, 42.])
mean_cam_t = torch.from_numpy(mean_cam_t).float().to(device)
mean_cam_t = mean_cam_t[None, :].expand(batch_size, -1)
cam_K = get_intrinsics_matrix(config.REGRESSOR_IMG_WH, config.REGRESSOR_IMG_WH,
config.FOCAL_LENGTH)
cam_K = torch.from_numpy(cam_K.astype(np.float32)).to(device)
cam_K = cam_K[None, :, :].expand(batch_size, -1, -1)
cam_R = torch.eye(3).to(device)
def start_training():
logger.info("Setup config, data and model...")
opt = BaseOptions().parse()
set_seed(opt.seed)
if opt.debug: # keep the model run deterministically
# 'cudnn.benchmark = True' enabled auto finding the best algorithm for a specific input/net config.
# Enable this only when input size is fixed.
cudnn.benchmark = False
cudnn.deterministic = True
opt.writer = SummaryWriter(opt.tensorboard_log_dir)
opt.train_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Loss] {loss_str}\n"
opt.eval_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Metrics] {eval_metrics_str}\n"
train_dataset = StartEndDataset(
dset_name=opt.dset_name,
data_path=opt.train_path,
desc_bert_path_or_handler=opt.desc_bert_path,
sub_bert_path_or_handler=opt.sub_bert_path,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
vid_feat_path_or_handler=opt.vid_feat_path,
clip_length=opt.clip_length,
ctx_mode=opt.ctx_mode,
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat,
)
if opt.eval_path is not None:
# val dataset, used to get eval loss
train_eval_dataset = StartEndDataset(
dset_name=opt.dset_name,
data_path=opt.eval_path,
desc_bert_path_or_handler=train_dataset.desc_bert_h5,
sub_bert_path_or_handler=train_dataset.sub_bert_h5 if "sub" in opt.ctx_mode else None,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
vid_feat_path_or_handler=train_dataset.vid_feat_h5 if "video" in opt.ctx_mode else None,
clip_length=opt.clip_length,
ctx_mode=opt.ctx_mode,
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat
)
eval_dataset = StartEndEvalDataset(
dset_name=opt.dset_name,
eval_split_name=opt.eval_split_name, # should only be val set
data_path=opt.eval_path,
desc_bert_path_or_handler=train_dataset.desc_bert_h5,
sub_bert_path_or_handler=train_dataset.sub_bert_h5 if "sub" in opt.ctx_mode else None,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
video_duration_idx_path=opt.video_duration_idx_path,
vid_feat_path_or_handler=train_dataset.vid_feat_h5 if "video" in opt.ctx_mode else None,
clip_length=opt.clip_length,
ctx_mode=opt.ctx_mode,
data_mode="query",
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat
)
else:
eval_dataset = None
model_config = EDict(
merge_two_stream=not opt.no_merge_two_stream, # merge video and subtitles
cross_att=not opt.no_cross_att, # use cross-attention when encoding video and subtitles
span_predictor_type=opt.span_predictor_type, # span_predictor_type
encoder_type=opt.encoder_type, # gru, lstm, transformer
add_pe_rnn=opt.add_pe_rnn, # add pe for RNNs
pe_type=opt.pe_type, #
visual_input_size=opt.vid_feat_size,
sub_input_size=opt.sub_feat_size, # for both desc and subtitles
query_input_size=opt.q_feat_size, # for both desc and subtitles
hidden_size=opt.hidden_size, #
stack_conv_predictor_conv_kernel_sizes=opt.stack_conv_predictor_conv_kernel_sizes, #
conv_kernel_size=opt.conv_kernel_size,
conv_stride=opt.conv_stride,
max_ctx_l=opt.max_ctx_l,
max_desc_l=opt.max_desc_l,
input_drop=opt.input_drop,
cross_att_drop=opt.cross_att_drop,
drop=opt.drop,
n_heads=opt.n_heads, # self-att heads
initializer_range=opt.initializer_range, # for linear layer
ctx_mode=opt.ctx_mode, # video, sub or video_sub
margin=opt.margin, # margin for ranking loss
ranking_loss_type=opt.ranking_loss_type, # loss type, 'hinge' or 'lse'
lw_neg_q=opt.lw_neg_q, # loss weight for neg. query and pos. context
lw_neg_ctx=opt.lw_neg_ctx, # loss weight for pos. query and neg. context
lw_st_ed=0, # will be assigned dynamically at training time
use_hard_negative=False, # reset at each epoch
hard_pool_size=opt.hard_pool_size,
use_self_attention=not opt.no_self_att, # whether to use self attention
no_modular=opt.no_modular
)
logger.info("model_config {}".format(model_config))
model = XML(model_config)
count_parameters(model)
logger.info("Start Training...")
train(model, train_dataset, train_eval_dataset, eval_dataset, opt)
return opt.results_dir, opt.eval_split_name, opt.eval_path, opt.debug
def start_training():
logger.info("Setup config, data and model...")
opt = BaseOptions().parse()
set_seed(opt.seed)
if opt.debug: # keep the model run deterministically
# 'cudnn.benchmark = True' enabled auto finding the best algorithm for a specific input/net config.
# Enable this only when input size is fixed.
cudnn.benchmark = False
cudnn.deterministic = True
opt.writer = SummaryWriter(opt.tensorboard_log_dir)
opt.train_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Loss] {loss_str}\n"
opt.eval_log_txt_formatter = "{time_str} [Epoch] {epoch:03d} [Metrics] {eval_metrics_str}\n"
train_dataset = RetrievalDataset(
dset_name=opt.dset_name,
data_path=opt.train_path,
desc_bert_path_or_handler=opt.desc_bert_path,
sub_bert_path_or_handler=opt.sub_bert_path,
vid_feat_path_or_handler=opt.vid_feat_path,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
ctx_mode=opt.ctx_mode,
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat,
)
if opt.eval_path is not None:
eval_dataset = RetrievalEvalDataset(
dset_name=opt.dset_name,
eval_split_name=opt.eval_split_name, # should only be val set
data_path=opt.eval_path,
desc_bert_path_or_handler=train_dataset.desc_bert_h5,
sub_bert_path_or_handler=train_dataset.sub_bert_h5
if "sub" in opt.ctx_mode else None,
max_desc_len=opt.max_desc_l,
max_ctx_len=opt.max_ctx_l,
video_duration_idx_path=opt.video_duration_idx_path,
vid_feat_path_or_handler=train_dataset.vid_feat_h5
if "video" in opt.ctx_mode else None,
ctx_mode=opt.ctx_mode,
data_mode="query",
h5driver=opt.h5driver,
data_ratio=opt.data_ratio,
normalize_vfeat=not opt.no_norm_vfeat,
normalize_tfeat=not opt.no_norm_tfeat,
)
else:
eval_dataset = None
model_config = EDict(
ctx_mode=opt.ctx_mode,
text_input_size=opt.sub_feat_size,
vid_input_size=opt.vid_feat_size, #
output_size=opt.output_size,
margin=opt.margin, # margin for ranking loss
)
logger.info("model_config {}".format(model_config))
model = MEE(model_config)
count_parameters(model)
logger.info("Start Training...")
train(model, train_dataset, eval_dataset, opt)
return opt.results_dir, opt.eval_split_name, opt.eval_path, opt.debug