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Add `--workers 8` argument to val.py (#5857) 

* Update val.py

Add an option to choose number of workers if not called by train.py

* Update comment

* 120 char line width

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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iumyx2612 2021-12-02 22:49:50 +07:00 committed by GitHub
parent 00e308f7be
commit 92a7391039
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1 changed files with 3 additions and 1 deletions
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val.py
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@ -89,6 +89,7 @@ def run(data,
iou_thres=0.6, # NMS IoU threshold iou_thres=0.6, # NMS IoU threshold
task='val', # train, val, test, speed or study task='val', # train, val, test, speed or study
device='', # cuda device, i.e. 0 or 0,1,2,3 or cpu device='', # cuda device, i.e. 0 or 0,1,2,3 or cpu
workers=8, # max dataloader workers (per RANK in DDP mode)
single_cls=False, # treat as single-class dataset single_cls=False, # treat as single-class dataset
augment=False, # augmented inference augment=False, # augmented inference
verbose=False, # verbose output verbose=False, # verbose output
@ -153,7 +154,7 @@ def run(data,
pad = 0.0 if task == 'speed' else 0.5 pad = 0.0 if task == 'speed' else 0.5
task = task if task in ('train', 'val', 'test') else 'val' # path to train/val/test images task = task if task in ('train', 'val', 'test') else 'val' # path to train/val/test images
dataloader = create_dataloader(data[task], imgsz, batch_size, stride, single_cls, pad=pad, rect=pt, dataloader = create_dataloader(data[task], imgsz, batch_size, stride, single_cls, pad=pad, rect=pt,
prefix=colorstr(f'{task}: '))[0] workers=workers, prefix=colorstr(f'{task}: '))[0]
seen = 0 seen = 0
confusion_matrix = ConfusionMatrix(nc=nc) confusion_matrix = ConfusionMatrix(nc=nc)
@ -312,6 +313,7 @@ def parse_opt():
parser.add_argument('--iou-thres', type=float, default=0.6, help='NMS IoU threshold') parser.add_argument('--iou-thres', type=float, default=0.6, help='NMS IoU threshold')
parser.add_argument('--task', default='val', help='train, val, test, speed or study') parser.add_argument('--task', default='val', help='train, val, test, speed or study')
parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu') parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu')
parser.add_argument('--workers', type=int, default=8, help='max dataloader workers (per RANK in DDP mode)')
parser.add_argument('--single-cls', action='store_true', help='treat as single-class dataset') parser.add_argument('--single-cls', action='store_true', help='treat as single-class dataset')
parser.add_argument('--augment', action='store_true', help='augmented inference') parser.add_argument('--augment', action='store_true', help='augmented inference')
parser.add_argument('--verbose', action='store_true', help='report mAP by class') parser.add_argument('--verbose', action='store_true', help='report mAP by class')