119 lines
6.5 KiB
Python
119 lines
6.5 KiB
Python
import argparse
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import json
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import logging
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import os
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import sys
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from pathlib import Path
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import comet_ml
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logger = logging.getLogger(__name__)
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FILE = Path(__file__).resolve()
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ROOT = FILE.parents[3] # YOLOv5 root directory
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if str(ROOT) not in sys.path:
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sys.path.append(str(ROOT)) # add ROOT to PATH
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from train import train
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from utils.callbacks import Callbacks
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from utils.general import increment_path
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from utils.torch_utils import select_device
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# Project Configuration
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config = comet_ml.config.get_config()
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COMET_PROJECT_NAME = config.get_string(os.getenv("COMET_PROJECT_NAME"), "comet.project_name", default="yolov5")
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def get_args(known=False):
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parser = argparse.ArgumentParser()
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parser.add_argument('--weights', type=str, default=ROOT / 'yolov5s.pt', help='initial weights path')
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parser.add_argument('--cfg', type=str, default='', help='model.yaml path')
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parser.add_argument('--data', type=str, default=ROOT / 'data/coco128.yaml', help='dataset.yaml path')
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parser.add_argument('--hyp', type=str, default=ROOT / 'data/hyps/hyp.scratch-low.yaml', help='hyperparameters path')
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parser.add_argument('--epochs', type=int, default=300, help='total training epochs')
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parser.add_argument('--batch-size', type=int, default=16, help='total batch size for all GPUs, -1 for autobatch')
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parser.add_argument('--imgsz', '--img', '--img-size', type=int, default=640, help='train, val image size (pixels)')
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parser.add_argument('--rect', action='store_true', help='rectangular training')
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parser.add_argument('--resume', nargs='?', const=True, default=False, help='resume most recent training')
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parser.add_argument('--nosave', action='store_true', help='only save final checkpoint')
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parser.add_argument('--noval', action='store_true', help='only validate final epoch')
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parser.add_argument('--noautoanchor', action='store_true', help='disable AutoAnchor')
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parser.add_argument('--noplots', action='store_true', help='save no plot files')
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parser.add_argument('--evolve', type=int, nargs='?', const=300, help='evolve hyperparameters for x generations')
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parser.add_argument('--bucket', type=str, default='', help='gsutil bucket')
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parser.add_argument('--cache', type=str, nargs='?', const='ram', help='--cache images in "ram" (default) or "disk"')
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parser.add_argument('--image-weights', action='store_true', help='use weighted image selection for training')
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parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu')
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parser.add_argument('--multi-scale', action='store_true', help='vary img-size +/- 50%%')
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parser.add_argument('--single-cls', action='store_true', help='train multi-class data as single-class')
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parser.add_argument('--optimizer', type=str, choices=['SGD', 'Adam', 'AdamW'], default='SGD', help='optimizer')
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parser.add_argument('--sync-bn', action='store_true', help='use SyncBatchNorm, only available in DDP mode')
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parser.add_argument('--workers', type=int, default=8, help='max dataloader workers (per RANK in DDP mode)')
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parser.add_argument('--project', default=ROOT / 'runs/train', help='save to project/name')
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parser.add_argument('--name', default='exp', help='save to project/name')
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parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment')
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parser.add_argument('--quad', action='store_true', help='quad dataloader')
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parser.add_argument('--cos-lr', action='store_true', help='cosine LR scheduler')
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parser.add_argument('--label-smoothing', type=float, default=0.0, help='Label smoothing epsilon')
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parser.add_argument('--patience', type=int, default=100, help='EarlyStopping patience (epochs without improvement)')
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parser.add_argument('--freeze', nargs='+', type=int, default=[0], help='Freeze layers: backbone=10, first3=0 1 2')
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parser.add_argument('--save-period', type=int, default=-1, help='Save checkpoint every x epochs (disabled if < 1)')
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parser.add_argument('--seed', type=int, default=0, help='Global training seed')
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parser.add_argument('--local_rank', type=int, default=-1, help='Automatic DDP Multi-GPU argument, do not modify')
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# Weights & Biases arguments
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parser.add_argument('--entity', default=None, help='W&B: Entity')
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parser.add_argument('--upload_dataset', nargs='?', const=True, default=False, help='W&B: Upload data, "val" option')
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parser.add_argument('--bbox_interval', type=int, default=-1, help='W&B: Set bounding-box image logging interval')
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parser.add_argument('--artifact_alias', type=str, default='latest', help='W&B: Version of dataset artifact to use')
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# Comet Arguments
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parser.add_argument("--comet_optimizer_config", type=str, help="Comet: Path to a Comet Optimizer Config File.")
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parser.add_argument("--comet_optimizer_id", type=str, help="Comet: ID of the Comet Optimizer sweep.")
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parser.add_argument("--comet_optimizer_objective", type=str, help="Comet: Set to 'minimize' or 'maximize'.")
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parser.add_argument("--comet_optimizer_metric", type=str, help="Comet: Metric to Optimize.")
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parser.add_argument("--comet_optimizer_workers",
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type=int,
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default=1,
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help="Comet: Number of Parallel Workers to use with the Comet Optimizer.")
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return parser.parse_known_args()[0] if known else parser.parse_args()
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def run(parameters, opt):
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hyp_dict = {k: v for k, v in parameters.items() if k not in ["epochs", "batch_size"]}
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opt.save_dir = str(increment_path(Path(opt.project) / opt.name, exist_ok=opt.exist_ok or opt.evolve))
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opt.batch_size = parameters.get("batch_size")
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opt.epochs = parameters.get("epochs")
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device = select_device(opt.device, batch_size=opt.batch_size)
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train(hyp_dict, opt, device, callbacks=Callbacks())
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if __name__ == "__main__":
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opt = get_args(known=True)
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opt.weights = str(opt.weights)
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opt.cfg = str(opt.cfg)
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opt.data = str(opt.data)
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opt.project = str(opt.project)
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optimizer_id = os.getenv("COMET_OPTIMIZER_ID")
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if optimizer_id is None:
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with open(opt.comet_optimizer_config) as f:
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optimizer_config = json.load(f)
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optimizer = comet_ml.Optimizer(optimizer_config)
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else:
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optimizer = comet_ml.Optimizer(optimizer_id)
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opt.comet_optimizer_id = optimizer.id
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status = optimizer.status()
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opt.comet_optimizer_objective = status["spec"]["objective"]
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opt.comet_optimizer_metric = status["spec"]["metric"]
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logger.info("COMET INFO: Starting Hyperparameter Sweep")
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for parameter in optimizer.get_parameters():
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run(parameter["parameters"], opt)
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