Glenn Jocher 98815d560f
YOLOv5 updates (#90)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-12-25 14:33:18 +01:00

25 lines
617 B
Python

from torch.utils.tensorboard import SummaryWriter
writer = None # TensorBoard SummaryWriter instance
def _log_scalars(scalars, step=0):
for k, v in scalars.items():
writer.add_scalar(k, v, step)
def on_train_start(trainer):
global writer
writer = SummaryWriter(str(trainer.save_dir))
def on_batch_end(trainer):
_log_scalars(trainer.label_loss_items(trainer.tloss, prefix="train"), trainer.epoch + 1)
def on_val_end(trainer):
_log_scalars(trainer.metrics, trainer.epoch + 1)
callbacks = {"on_train_start": on_train_start, "on_val_end": on_val_end, "on_batch_end": on_batch_end}