Add CSV logger

2 files changed, 60 insertions, 14 deletions

diff --git a/supervised/baseline.py b/supervised/baseline.py
index e21aeee..dc92408 100644
--- a/supervised/baseline.py
+++ b/supervised/baseline.py
@@ -14,7 +14,7 @@ from datautils import color_distortion, Clip, RandomGaussianBlur
 from models import CIFARResNet50, ImageNetResNet50
 from optimizers import LARS
 from schedulers import LinearWarmupAndCosineAnneal, LinearLR
-from utils import training_log
+from utils import training_log, setup_logging, EPOCH_LOGGER, BATCH_LOGGER
 
 
 def build_parser():
@@ -78,10 +78,21 @@ def build_parser():
     train_group.add_argument('--weight_decay', default=1e-6, type=float,
                              help='Weight decay (l2 regularization) (default: 1e-6)')
 
+    logging_group = parser.add_argument_group('Logging config')
+    logging_group.add_argument('--log_dir', default='logs', type=str,
+                               help="Path to log directory (default: 'logs')")
+    logging_group.add_argument('--tensorboard_dir', default='runs', type=str,
+                               help="Path to tensorboard directory (default: 'runs')")
+    logging_group.add_argument('--checkpoint_dir', default='checkpoints', type=str,
+                               help='Path to checkpoints directory '
+                                    "(default: 'checkpoints')")
+
     args = parser.parse_args()
     args.device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
-    args.checkpoint_root = os.path.join('checkpoints', args.codename)
-    args.tensorboard_root = os.path.join('runs', args.codename)
+    args.batch_log_filename = os.path.join(args.log_dir, f'batch-{args.codename}.csv')
+    args.epoch_log_filename = os.path.join(args.log_dir, f'epoch-{args.codename}.csv')
+    args.tensorboard_root = os.path.join(args.tensorboard_dir, args.codename)
+    args.checkpoint_root = os.path.join(args.checkpoint_dir, args.codename)
 
     return args
 
@@ -208,7 +219,7 @@ def configure_optimizer(args, model):
     return optimizer
 
 
-@training_log
+@training_log(EPOCH_LOGGER)
 def load_checkpoint(args, model, optimizer):
     checkpoint_path = os.path.join(args.checkpoint_root, f'{args.restore_epoch:04d}.pt')
     checkpoint = torch.load(checkpoint_path)
@@ -275,7 +286,7 @@ def eval(args, test_loader, model, loss_fn):
             yield batch, loss.item(), accuracy.item()
 
 
-@training_log
+@training_log(BATCH_LOGGER)
 def batch_logger(args, writer, batch, epoch, loss, lr):
     global_batch = epoch * args.num_train_batches + batch
     writer.add_scalar('Batch loss/train', loss, global_batch + 1)
@@ -292,7 +303,7 @@ def batch_logger(args, writer, batch, epoch, loss, lr):
     }
 
 
-@training_log
+@training_log(EPOCH_LOGGER)
 def epoch_logger(args, writer, epoch, train_loss, test_loss, test_accuracy):
     train_loss_mean = train_loss.mean().item()
     test_loss_mean = test_loss.mean().item()
@@ -311,8 +322,7 @@ def epoch_logger(args, writer, epoch, train_loss, test_loss, test_accuracy):
 
 
 def save_checkpoint(args, epoch_log, model, optimizer):
-    if not os.path.exists(args.checkpoint_root):
-        os.makedirs(args.checkpoint_root)
+    os.makedirs(args.checkpoint_root, exist_ok=True)
 
     torch.save(epoch_log | {
         'model_state_dict': model.state_dict(),
@@ -323,6 +333,8 @@ def save_checkpoint(args, epoch_log, model, optimizer):
 if __name__ == '__main__':
     args = build_parser()
     set_seed(args)
+    setup_logging(BATCH_LOGGER, args.batch_log_filename)
+    setup_logging(EPOCH_LOGGER, args.epoch_log_filename)
 
     train_set, test_set = prepare_dataset(args)
     train_loader, test_loader = create_dataloader(args, train_set, test_set)
diff --git a/supervised/utils.py b/supervised/utils.py
index c477544..95d865a 100644
--- a/supervised/utils.py
+++ b/supervised/utils.py
@@ -1,7 +1,41 @@
-def training_log(func):
-    def wrapper(*args, **kwargs):
-        result = func(*args, **kwargs)
-        print(result)
-        return result
+import logging
+import os
 
-    return wrapper
+EPOCH_LOGGER = 'epoch_logger'
+BATCH_LOGGER = 'batch_logger'
+
+
+def setup_logging(name="log",
+                  filename=None,
+                  stream_log_level="INFO",
+                  file_log_level="INFO"):
+    logger = logging.getLogger(name)
+    logger.setLevel("INFO")
+    formatter = logging.Formatter(
+        '%(asctime)s.%(msecs)03d,%(name)s,%(message)s', '%Y-%m-%d %H:%M:%S'
+    )
+    stream_handler = logging.StreamHandler()
+    stream_handler.setLevel(getattr(logging, stream_log_level))
+    stream_handler.setFormatter(formatter)
+    logger.addHandler(stream_handler)
+    if filename is not None:
+        os.makedirs(os.path.dirname(filename), exist_ok=True)
+        file_handler = logging.FileHandler(filename)
+        file_handler.setLevel(getattr(logging, file_log_level))
+        file_handler.setFormatter(formatter)
+        logger.addHandler(file_handler)
+    return logger
+
+
+def training_log(name):
+    def log_this(function):
+        logger = logging.getLogger(name)
+
+        def wrapper(*args, **kwargs):
+            output = function(*args, **kwargs)
+            logger.info(','.join(map(str, output.values())))
+            return output
+
+        return wrapper
+
+    return log_this