ProgressBarLogger#
- class composer.loggers.ProgressBarLogger(progress_bar=True, log_to_console=None, stream=<_io.TextIOWrapper name='<stderr>' mode='w' encoding='utf-8'>)[source]#
Log metrics to the console and optionally show a progress bar.
Note
This logger is automatically instainatied by the trainer via the
progress_bar
,log_to_console
, andconsole_stream
options. This logger does not need to be created manually.TQDM is used to display progress bars.
During training, the progress bar logs the batch and training loss. During validation, the progress bar logs the batch and validation accuracy.
Example progress bar output:
Epoch 1: 100%|โโโโโโโโโโ| 64/64 [00:01<00:00, 53.17it/s, loss/train=2.3023] Epoch 1 (val): 100%|โโโโโโโโโโ| 20/20 [00:00<00:00, 100.96it/s, accuracy/val=0.0995]
- Parameters
progress_bar (bool, optional) โ Whether to show a progress bar. (default:
True
)log_to_console (bool, optional) โ
Whether to print logging statements to the console. (default:
None
)The default behavior (when set to
None
) only prints logging statements whenprogress_bar
isFalse
.stream (str | TextIO, optional) โ The console stream to use. If a string, it can either be
'stdout'
or'stderr'
. (default:sys.stderr
)