set default workers in main_lincls.py as 32 (facebookresearch#6)

Summary: Pull Request resolved: facebookresearch#6

Reviewed By: takatosp1

Differential Revision: D20682022

Pulled By: ppwwyyxx

fbshipit-source-id: 6439373a8545dd2fd94399d4651edccbe7b4b563

Author: KaimingHe

main_lincls.py

@@ -33,8 +33,8 @@
                     help='model architecture: ' +
                         ' | '.join(model_names) +
                         ' (default: resnet50)')
-parser.add_argument('-j', '--workers', default=4, type=int, metavar='N',
-                    help='number of data loading workers (default: 4)')
+parser.add_argument('-j', '--workers', default=32, type=int, metavar='N',
+                    help='number of data loading workers (default: 32)')
 parser.add_argument('--epochs', default=100, type=int, metavar='N',
                     help='number of total epochs to run')
 parser.add_argument('--start-epoch', default=0, type=int, metavar='N',