def train_model():
"""Model training loop."""
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
mc = pylibmc.Client(["127.0.0.1:11212"],
binary=True,
behaviors={
"tcp_nodelay": True,
"ketama": True
})
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
workspace.RunNet(model.net.Proto().name)
freeze_fastrcnn_label = []
freeze_fastrcnn_label.append(workspace.FetchBlob('gpu_0/cls_score'))
freeze_fastrcnn_label.append(workspace.FetchBlob('gpu_0/bbox_pred'))
while True:
if (mc.get('freeze_fastrcnn_label_s') == 'yidu'):
break
mc.replace('freeze_fastrcnn_label', freeze_fastrcnn_label)
mc.replace('freeze_fastrcnn_label_s', 'weidu')
training_stats.IterToc()
training_stats.UpdateIterStats()
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
#nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
#nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
with SummaryWriter(log_dir=get_output_dir(cfg.TRAIN.DATASETS) +
"/events") as writer:
writer.write_graph([model.net])
logger = logging.getLogger(__name__)
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
error_count = 0
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
try:
workspace.RunNet(model.net.Proto().name)
except:
error_count += 1
logger.warn("Error in iter {}, error count: {}".format(
cur_iter, error_count))
if not cfg.CONTINUE_ON_ERROR:
raise
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + cfg.TRAIN.EPOCH_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model(use_tfboard=False):
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
if use_tfboard:
from c2board.writer import SummaryWriter
tblogger = SummaryWriter(output_dir)
tblogger.write_graph(model)
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model, tblogger if use_tfboard else None)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter, lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter)
)
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
for gpu_id in range(cfg.NUM_GPUS):
tblogger.append_image("gpu_{}/data".format(gpu_id))
tblogger.write_summaries(cur_iter)
if use_tfboard:
tblogger.close()
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if cur_iter == start_iter:
#data_to_save = ['gpu_0/mask_emb_logits','gpu_0/mask_emb_labels','gpu_0/mask_emb_prob','gpu_0/person_mask','gpu_0/body_mask_labels','gpu_0/fg_emb','gpu_0/mask_fcn_emb','gpu_0/fg_emb_normed','gpu_0/bg_emb_normed']
# data_to_save = ['gpu_0/mask_emb_logits','gpu_0/mask_emb_labels','gpu_0/mask_emb_prob','gpu_0/mask_fcn_logits','gpu_0/masks_int32','gpu_0/fg_emb','gpu_0/mask_fcn_emb','gpu_0/fg_emb_normed','gpu_0/bg_emb_normed']
# data_to_save = ['gpu_0/data','gpu_0/body_uv_rois','gpu_0/body_masks_wrt_box','gpu_0/body_mask_labels']
# data_to_save = ['gpu_0/data', 'gpu_0/mask_rois', 'gpu_0/inter_masks_int32', 'gpu_0/masks_int32']
data_to_save = [
'gpu_0/data', 'gpu_0/keypoint_rois',
'gpu_0/inter_keypoint_int32', 'gpu_0/keypoint_locations_int32'
]
#data = [workspace.FetchBlob(k) for k in data_to_save]
#cPickle.dump(data,open('inter_kps_data.pkl','wb'))
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
TEST_PERIOD = int(cfg.TRAIN.TEST_ITERS)
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
print("================SAVING MODEL=================")
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if (cur_iter + 1) % TEST_PERIOD == 0 and cur_iter > start_iter:
print("================RUN INFERENCE==================")
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
run_inference(checkpoints[cur_iter],
multi_gpu_testing=False,
check_expected_results=True)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
print("=====================FINAL=======================")
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
# np.save('DensePoseData/image.npy', workspace.FetchBlob('gpu_0/data'))
# # np.save('DensePoseData/output.npy',workspace.FetchBlob('conv1'))
# np.save('DensePoseData/outputgpu.npy',workspace.FetchBlob('gpu_0/conv1'))
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
logger.info("\n\nCheckpoint Reached....Saving model \n\n")
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
writer = SummaryWriter(log_dir=output_dir)
training_stats = TrainingStats(model, writer)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats(cur_iter)
training_stats.LogIterStats(cur_iter, lr)
writer.add_scalar('learning_rate', lr, cur_iter)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# save train loss and metric
state_file = os.path.join(output_dir, 'training_state.json')
training_stats.SaveTrainingStates(state_file)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model(max_iters, roidb, pretrained_weight):
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model(
pretrained_weight)
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir, roidb)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
for cur_iter in range(start_iter, max_iters):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
# Save the final model
checkpoints[max_iters - 1] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(max_iters - 1))
nu.save_model_to_weights_file(checkpoints[max_iters - 1], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
try:
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model(
)
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model, cfg.TRAIN.LOG_PERIOD)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
# initialize empty log file
json_train_log = []
########################################################
model.roi_data_loader.shutdown()
return 0
########################################################
except Exception as e:
with open("/output/prep_log.txt", "a") as f:
f.write("\n" + output_dir + " failed to start training \n" +
str(e))
exit()
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr, json_train_log)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Save training log-file
log_path = os.path.join(output_dir, 'train_log.json')
json_train_log = {
'info': {
'batch_size': cfg.TRAIN.IMS_PER_BATCH,
'num_gpus': cfg.NUM_GPUS,
'max_iterations': cfg.SOLVER.MAX_ITER,
'datasets': cfg.TRAIN.DATASETS
},
'data': json_train_log
}
with open(log_path, 'w') as f:
json.dump(json_train_log, f)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def main():
# Initialize C2
workspace.GlobalInit(
['caffe2', '--caffe2_log_level=0', '--caffe2_gpu_memory_tracking=1'])
# Set up logging and load config options
logger = setup_logging(__name__)
logging.getLogger('detectron.roi_data.loader').setLevel(logging.INFO)
args = parse_args()
logger.info('Called with args:')
logger.info(args)
if args.cfg_file is not None:
merge_cfg_from_file(args.cfg_file)
if args.opts is not None:
merge_cfg_from_list(args.opts)
assert_and_infer_cfg()
smi_output, cuda_ver, cudnn_ver = c2_utils.get_nvidia_info()
logger.info("cuda version : {}".format(cuda_ver))
logger.info("cudnn version: {}".format(cudnn_ver))
logger.info("nvidia-smi output:\n{}".format(smi_output))
logger.info('Training with config:')
logger.info(pprint.pformat(cfg))
# Note that while we set the numpy random seed network training will not be
# deterministic in general. There are sources of non-determinism that cannot
# be removed with a reasonble execution-speed tradeoff (such as certain
# non-deterministic cudnn functions).
np.random.seed(cfg.RNG_SEED)
# test model
logger.info("creat test model ...")
test_model = test_engine.initialize_model_from_cfg(cfg.TEST.WEIGHTS,
gpu_id=0)
logger.info("created test model ...")
train_data = DataLoader(root,
"train_id.txt",
cfg,
test_model,
is_train=True)
# creat mode
model, weights_file, start_iter, checkpoints = create_model(
True, cfg, output_dir)
# test blob
print(workspace.Blobs())
# create input blob
blob_names = ['data_stage2', 'gt_label_stage2']
for gpu_id in range(cfg.NUM_GPUS):
with c2_utils.NamedCudaScope(gpu_id):
for blob_name in blob_names:
workspace.CreateBlob(core.ScopedName(blob_name))
# Override random weight initialization with weights from a saved model
if weights_file:
nu.initialize_gpu_from_weights_file(model, weights_file, gpu_id=0)
# Even if we're randomly initializing we still need to synchronize
# parameters across GPUs
nu.broadcast_parameters(model)
workspace.CreateNet(model.net)
logger.info('Outputs saved to: {:s}'.format(os.path.abspath(output_dir)))
dump_proto_files(model, output_dir)
writer = SummaryWriter(log_dir=output_dir)
training_stats = TrainingStats(model, writer)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
logger.info("start train ...")
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
# feed data
# print("{} iter starting feed data...".format(cur_iter))
data_stage2, gt_label = train_data.next_batch()
with c2_utils.NamedCudaScope(gpu_id):
workspace.FeedBlob(core.ScopedName('data_stage2'), data_stage2)
workspace.FeedBlob(core.ScopedName('gt_label_stage2'), gt_label)
# print("workspace.RunNet(model.net.Proto().name)")
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats(cur_iter)
training_stats.LogIterStats(cur_iter, lr)
writer.add_scalar('learning_rate', lr, cur_iter)
# print("end of RunNet")
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# save train loss and metric
state_file = os.path.join(output_dir, 'training_state.json')
training_stats.SaveTrainingStates(state_file)
# Execute the training run
checkpoints = detectron.utils.train.train_model()
# Test the trained model
if not args.skip_test:
test_model(checkpoints['final'], args.multi_gpu_testing, args.opts)
def train_model():
"""Model training loop."""
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir, start_iter)
training_stats = TrainingStats(model)
num_iter_per_epoch = model.roi_data_loader.get_num_iter_per_epoch()
if cfg.REID.TRIPLET_LOSS and cfg.REID.TRIPLET_LOSS_CROSS:
num_iter_per_epoch_triplet = model.roi_data_loader.get_num_iter_per_epoch_triplet(
)
# CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
CHECKPOINT_PERIOD = cfg.TRAIN.SNAPSHOT_ITERS
for cur_iter in range(start_iter * num_iter_per_epoch,
cfg.SOLVER.MAX_ITER * num_iter_per_epoch):
cur_ep = int(cur_iter / num_iter_per_epoch)
if cfg.REID.TRIPLET_LOSS and cfg.REID.TRIPLET_LOSS_CROSS:
if cur_ep > cfg.REID.TRIPLET_LOSS_START and cur_ep % 2 == 1:
if cur_iter % num_iter_per_epoch > num_iter_per_epoch_triplet:
continue
reid_utils.set_loss_scale(model, 1)
else:
reid_utils.set_loss_scale(model, 0)
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
# lr = model.UpdateWorkspaceLr(cur_iter, lr_policy.get_lr_at_iter(cur_iter))
lr = model.UpdateWorkspaceLr(
cur_ep,
lr_policy.get_lr_at_iter(cur_iter, cur_ep, num_iter_per_epoch))
workspace.RunNet(model.net.Proto().name)
if cfg.REID.TRIPLET_LOSS and cfg.REID.TRIPLET_LOSS_CROSS:
if cur_ep > cfg.REID.TRIPLET_LOSS_START and cur_ep % 2 == 1:
# check input
for i in range(cfg.NUM_GPUS):
data = workspace.FetchBlob('gpu_{}/{}'.format(
i, 'labels_int32'))
id_unique, id_counts = np.unique(data, return_counts=True)
assert id_counts.shape[0] == cfg.REID.P, id_counts
for id_count in id_counts:
assert id_count == cfg.REID.K, id_count
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if cur_ep % CHECKPOINT_PERIOD == 0 and cur_iter == num_iter_per_epoch * (
cur_ep + 1) - 1 and cur_iter > start_iter:
# checkpoints[cur_iter] = os.path.join(
# output_dir, 'model_iter{}.pkl'.format(cur_iter)
# )
# nu.save_model_to_weights_file(checkpoints[cur_iter], model)
checkpoints[cur_ep] = os.path.join(
output_dir, 'model_epoch{}.pkl'.format(cur_ep + 1))
nu.save_model_to_weights_file(checkpoints[cur_ep], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
handle_critical_error(model, 'Loss is NaN')
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
#graph = net_drawer.GetPydotGraph(model.net.Proto().op, "mnist", rankdir="LR")
#graph.write_png('graph.png')
#max_iter = cfg.SOLVER.MAX_ITER if cfg.SOLVER.MAX_EPOCH == -1 else 10**8
#print(max_iter)
cur_iter = start_iter
#for cur_iter in range(start_iter, max_iter):
while True:
training_stats.IterTic()
if cfg.SOLVER.MAX_EPOCH == -1:
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
else:
lr = model.UpdateWorkspaceLr(
training_stats.cur_epoch,
lr_policy.get_lr_at_epoch(training_stats))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
if cfg.SOLVER.MAX_EPOCH == -1 and cur_iter == cfg.SOLVER.MAX_ITER:
break
if cfg.SOLVER.MAX_EPOCH != -1 and training_stats.cur_epoch == cfg.SOLVER.MAX_EPOCH + 1:
break
cur_iter += 1
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
logger = logging.getLogger(__name__)
model, weights_file, start_iter, checkpoints, output_dir = create_model(
) #for create model
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
if 0:
output_dir = '/home/icubic/daily_work/code/Detectron/train/coco_2014_train_ET_PH_part/generalized_rcnn_multi/'
#output_dir = output_dir + '_101'
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
uuuu = model.roi_data_loader._blobs_queue_name
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
print('------------train.py')
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
#aaa_debug = workspace.FetchBlob('gpu_0/data')
#bbb_debug = workspace.FetchBlob('gpu_0/conv1_w')
#ccc_debug = workspace.FetchBlob('gpu_0/'+uuuu)
try:
workspace.RunNet(model.net.Proto().name)
if 0:
#import detectron.utils.blob as blob_utils
inputs = [workspace.FetchBlob("gpu_0/rpn_rois_fpn2"),workspace.FetchBlob("gpu_0/rpn_rois_fpn3"),workspace.FetchBlob("gpu_0/rpn_rois_fpn4"),workspace.FetchBlob("gpu_0/rpn_rois_fpn5"), \
workspace.FetchBlob("gpu_0/rpn_rois_fpn6"),workspace.FetchBlob("gpu_0/rpn_roi_probs_fpn2"),workspace.FetchBlob("gpu_0/rpn_roi_probs_fpn3"),workspace.FetchBlob("gpu_0/rpn_roi_probs_fpn4"), \
workspace.FetchBlob("gpu_0/rpn_roi_probs_fpn5"),workspace.FetchBlob("gpu_0/rpn_roi_probs_fpn6"),workspace.FetchBlob("gpu_0/roidb"),workspace.FetchBlob("gpu_0/im_info"),\
]
rois = collect(inputs, True)
#inputs.append(workspace.FetchBlob("gpu_0/rpn_rois_fpn2"))
im_info = inputs[-1]
im_scales = im_info[:, 2]
roidb = blob_utils.deserialize(inputs[-2])
# For historical consistency with the original Faster R-CNN
# implementation we are *not* filtering crowd proposals.
# This choice should be investigated in the future (it likely does
# not matter).
json_dataset.add_proposals(roidb,
rois,
im_scales,
crowd_thresh=0)
roidb_utils.add_bbox_regression_targets(roidb)
# Compute training labels for the RPN proposals; also handles
# distributing the proposals over FPN levels
output_blob_names = fast_rcnn_roi_data.get_fast_rcnn_blob_names(
)
blobs = {k: [] for k in output_blob_names}
fast_rcnn_roi_data.add_fast_rcnn_blobs(blobs, im_scales, roidb)
for i, k in enumerate(output_blob_names):
blob_utils.py_op_copy_blob(blobs[k], outputs[i])
#if (np.sum(bb == 1))>0:
# print('cc')
except:
aa = workspace.FetchBlob("gpu_0/rpn_rois_fpn2")
aaa_debug = workspace.FetchBlob('gpu_0/data')
print('aaaaaerror')
#print("blobs:\n{}".format(workspace.Blobs()))
#print('train.py aaaaaaaa_debug')
if 1:
aaa = workspace.FetchBlob("gpu_0/data") # nchw
#img = aaa[1].copy()
# BGR HWC -> CHW 12
#transform_img = img.swapaxes(0, 1).swapaxes(1, 2)
#cv2.imshow("image0 ", transform_img[:, :, (2, 1, 0)])
#cv2.waitKey(0)
#cv2.destroyAllWindows()
#cv2.imshow('/home/icubic/daily_work/code/Detectron/aaa.png', aaa[0])
aaa_debug = workspace.FetchBlob('gpu_0/data')
bbb_debug = workspace.FetchBlob('gpu_0/conv1_w')
ccc_debug = workspace.FetchBlob('gpu_0/' + uuuu)
ddd_debug = workspace.FetchBlob('gpu_0/roidb')
eee_debug = workspace.FetchBlob('gpu_0/im_info')
#print("Fetched data:\n{}".format(workspace.FetchBlob("gpu_0/data")))
if cur_iter == start_iter:
nu.print_net(model)
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter + 1) % (
CHECKPOINT_PERIOD / 4
) == 0 and cur_iter > start_iter: #((cur_iter + 1) % (CHECKPOINT_PERIOD/1) == 0 and (cur_iter > start_iter and cur_iter < 50000)) or ((cur_iter + 1) % (CHECKPOINT_PERIOD/8) == 0 and cur_iter > 50000):
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter_50_{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter], model)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
if np.isnan(training_stats.iter_total_loss):
logger.critical('Loss is NaN, exiting...')
model.roi_data_loader.shutdown()
envu.exit_on_error()
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final_50.pkl')
nu.save_model_to_weights_file(checkpoints['final'], model)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints
def train_model():
"""Model training loop."""
start_time = time.time()
model, weights_file, start_iter, checkpoints, output_dir = create_model()
if 'final' in checkpoints:
# The final model was found in the output directory, so nothing to do
return checkpoints
setup_model_for_training(model, weights_file, output_dir)
training_stats = TrainingStats(model)
CHECKPOINT_PERIOD = int(cfg.TRAIN.SNAPSHOT_ITERS / cfg.NUM_GPUS)
if model.train and cfg.TRAIN.PADA:
if not hasattr(model, 'class_weight_db'):
model.class_weight_db = pada.ClassWeightDB()
model.class_weight_db.setup(model.roi_data_loader)
if cfg.TRAIN.DA_FADE_IN:
model.da_fade_in = pada.DAScaleFading(cfg.SOLVER.MAX_ITER)
# if cfg.INTERRUPTING:
# source_set_size = len(model.roi_data_loader._roidb)
# if cfg.TRAIN.DOMAIN_ADAPTATION:
# source_ims_per_batch = cfg.NUM_GPUS * (cfg.TRAIN.IMS_PER_BATCH//2)
# else:
# source_ims_per_batch = cfg.NUM_GPUS * cfg.TRAIN.IMS_PER_BATCH
# CHECKPOINT_PERIOD = int(1.0 + source_set_size / (source_ims_per_batch * cfg.NUM_GPUS))
# print("Checkpoint period, and interruption, set for after {} batches".format(CHECKPOINT_PERIOD))
for cur_iter in range(start_iter, cfg.SOLVER.MAX_ITER):
# print('iter:',cur_iter)
# print(model.roi_data_loader._cur,list(model.roi_data_loader._perm)[:10])
if model.roi_data_loader.has_stopped():
handle_critical_error(model, 'roi_data_loader failed')
training_stats.IterTic()
lr = model.UpdateWorkspaceLr(cur_iter,
lr_policy.get_lr_at_iter(cur_iter))
workspace.RunNet(model.net.Proto().name)
if cur_iter == start_iter:
nu.print_net(model)
# blob_summary(['conv{}_{}'.format(i,j) for i in [1,2,3,4,5] for j in [1,2,3] if not ((j==3) and (i < 3))])
training_stats.IterToc()
training_stats.UpdateIterStats()
training_stats.LogIterStats(cur_iter, lr)
if (cur_iter) % (training_stats.LOG_PERIOD * 50) == 0:
print_conf_matrix(model.class_weight_db.conf_matrix)
pool2 = workspace.FetchBlob('gpu_0/pool2').astype(float)
print('pool2 max: {}'.format(pool2.max()))
# blob_summary(['conv3_1_w','conv3_1_w_grad','conv3_1_b','conv5_3','da_fc7','da_conv_2','dc_ip3','dc_ip3_w','dc_ip2_w_grad'])
blob_summary([
'conv3_1_w', 'conv3_1_w_grad', 'conv3_1_b', 'da_conv_2',
'dc_ip3', 'dc_ip3_w', 'dc_ip2_w_grad'
]) # light
if cfg.INTERRUPTING and time.time() - start_time > cfg.THRESH_TIME:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter],
model,
cur_iter=cur_iter)
# stop this process and restart to continue form the checkpoint.
model.roi_data_loader.shutdown()
if cfg.TRAIN.DOMAIN_ADAPTATION:
# triggers target data loader to stop:
with open('./TargetDataLoaderProcess/read.txt', 'w') as f:
f.write(str(0))
f.flush()
os.fsync(f.fileno())
# wait a bit for it to stop:
time.sleep(5)
# enqueue new job:
os.system('sbatch run.job')
return checkpoints
if (cur_iter + 1) % CHECKPOINT_PERIOD == 0 and cur_iter > start_iter:
checkpoints[cur_iter] = os.path.join(
output_dir, 'model_iter{}.pkl'.format(cur_iter))
nu.save_model_to_weights_file(checkpoints[cur_iter],
model,
cur_iter=cur_iter)
if cur_iter == start_iter + training_stats.LOG_PERIOD:
# Reset the iteration timer to remove outliers from the first few
# SGD iterations
training_stats.ResetIterTimer()
v = training_stats.iter_total_loss + model.class_weight_db.avg_pada_weight
if training_stats.iter_total_loss > 4:
# print('Loss is {}'.format(training_stats.iter_total_loss))
pool2 = workspace.FetchBlob('gpu_0/pool2').astype(float)
print('pool2 max: {}'.format(pool2.max()))
blob_summary([
'conv3_1_w', 'conv3_1_w_grad', 'conv3_1_b', 'conv5_3',
'da_fc7', 'da_conv_2', 'dc_ip3', 'dc_ip3_w', 'dc_ip2_w_grad'
])
if np.isnan(v) or v == np.infty or v == -np.infty:
nu.print_net(model)
blobs = workspace.Blobs()
print()
print("Current blobs in the workspace:\n{}".format(
'\n'.join(blobs)))
print()
for blob in blobs:
print("Fetched {}:\n{}".format(blob,
workspace.FetchBlob(blob)))
print()
blob_summary([
'conv3_1_w', 'conv3_1_b', 'conv5_3', 'da_fc7', 'da_conv_2',
'dc_ip3', 'dc_ip3_w', 'dc_ip2_w_grad'
])
blob_summary()
handle_critical_error(model, 'Loss is {}'.format(v))
# Save the final model
checkpoints['final'] = os.path.join(output_dir, 'model_final.pkl')
nu.save_model_to_weights_file(checkpoints['final'],
model,
cur_iter=cur_iter)
# Shutdown data loading threads
model.roi_data_loader.shutdown()
return checkpoints