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Adding label smoothing on classification reference #4335

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merged 4 commits into from
Sep 2, 2021
+4 −1
Merged

Adding label smoothing on classification reference #4335

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23cba3e
Adding label smoothing on classification reference.
datumbox Aug 31, 2021
3f35dd4
Merge branch 'main' into references/label_smoothing
datumbox Aug 31, 2021
9e48425
Merge branch 'main' into references/label_smoothing
datumbox Sep 2, 2021
d4caf3a
Replace underscore with dash.
datumbox Sep 2, 2021
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5 changes: 4 additions & 1 deletion references/classification/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,7 @@ def main(args):
if args.distributed and args.sync_bn:
model = torch.nn.SyncBatchNorm.convert_sync_batchnorm(model)

criterion = nn.CrossEntropyLoss()
criterion = nn.CrossEntropyLoss(label_smoothing=args.label_smoothing)

opt_name = args.opt.lower()
if opt_name == 'sgd':
Expand Down Expand Up @@ -256,6 +256,9 @@ def get_args_parser(add_help=True):
parser.add_argument('--wd', '--weight-decay', default=1e-4, type=float,
metavar='W', help='weight decay (default: 1e-4)',
dest='weight_decay')
parser.add_argument('--label-smoothing', default=0.0, type=float,
help='label smoothing (default: 0.0)',
dest='label_smoothing')
parser.add_argument('--lr-step-size', default=30, type=int, help='decrease lr every step-size epochs')
parser.add_argument('--lr-gamma', default=0.1, type=float, help='decrease lr by a factor of lr-gamma')
parser.add_argument('--print-freq', default=10, type=int, help='print frequency')
Expand Down