def main():
args = parse_args()
assert args.out or args.eval or args.format_only or args.show \
or args.show_dir, \
('Please specify at least one operation (save/eval/format/show the '
'results / save the results) with the argument "--out", "--eval"'
', "--format-only", "--show" or "--show-dir"')
if args.eval and args.format_only:
raise ValueError('--eval and --format_only cannot be both specified')
if args.out is not None and not args.out.endswith(('.pkl', '.pickle')):
raise ValueError('The output file must be a pkl file.')
cfg = Config.fromfile(args.config)
if cfg.get('USE_MMDET', False):
from mmdet.apis import multi_gpu_test, single_gpu_test
from mmdet.models import build_detector as build_model
from mmdet.datasets import build_dataloader
else:
from mmtrack.apis import multi_gpu_test, single_gpu_test
from mmtrack.models import build_model
from mmtrack.datasets import build_dataloader
if args.cfg_options is not None:
cfg.merge_from_dict(args.cfg_options)
# set cudnn_benchmark
if cfg.get('cudnn_benchmark', False):
torch.backends.cudnn.benchmark = True
# cfg.model.pretrains = None
if hasattr(cfg.model, 'detector'):
cfg.model.detector.pretrained = None
cfg.data.test.test_mode = True
# init distributed env first, since logger depends on the dist info.
if args.launcher == 'none':
distributed = False
else:
distributed = True
init_dist(args.launcher, **cfg.dist_params)
# build the dataloader
dataset = build_dataset(cfg.data.test)
data_loader = build_dataloader(
dataset,
samples_per_gpu=1,
workers_per_gpu=cfg.data.workers_per_gpu,
dist=distributed,
shuffle=False)
logger = get_logger('ParamsSearcher', log_file=args.log)
# get all cases
search_params = get_search_params(cfg.model.tracker, logger=logger)
combinations = [p for p in product(*search_params.values())]
search_cfgs = []
for c in combinations:
search_cfg = dotty(cfg.model.tracker.copy())
for i, k in enumerate(search_params.keys()):
search_cfg[k] = c[i]
search_cfgs.append(dict(search_cfg))
print_log(f'Totally {len(search_cfgs)} cases.', logger)
# init with the first one
cfg.model.tracker = search_cfgs[0].copy()
# build the model and load checkpoint
if cfg.get('test_cfg', False):
model = build_model(
cfg.model, train_cfg=cfg.train_cfg, test_cfg=cfg.test_cfg)
else:
model = build_model(cfg.model)
fp16_cfg = cfg.get('fp16', None)
if fp16_cfg is not None:
wrap_fp16_model(model)
if args.checkpoint is not None:
checkpoint = load_checkpoint(
model, args.checkpoint, map_location='cpu')
if 'CLASSES' in checkpoint['meta']:
model.CLASSES = checkpoint['meta']['CLASSES']
if not hasattr(model, 'CLASSES'):
model.CLASSES = dataset.CLASSES
if args.fuse_conv_bn:
model = fuse_conv_bn(model)
if not distributed:
model = MMDataParallel(model, device_ids=[0])
else:
model = MMDistributedDataParallel(
model.cuda(),
device_ids=[torch.cuda.current_device()],
broadcast_buffers=False)
print_log(f'Record {cfg.search_metrics}.', logger)
for i, search_cfg in enumerate(search_cfgs):
if not distributed:
model.tracker = build_tracker(search_cfg)
outputs = single_gpu_test(model, data_loader, args.show,
args.show_dir, args.show_score_thr)
else:
model.module.tracker = build_tracker(search_cfg)
outputs = multi_gpu_test(model, data_loader, args.tmpdir,
args.gpu_collect)
rank, _ = get_dist_info()
if rank == 0:
if args.out:
print(f'\nwriting results to {args.out}')
mmcv.dump(outputs, args.out)
kwargs = {} if args.eval_options is None else args.eval_options
if args.format_only:
dataset.format_results(outputs, **kwargs)
if args.eval:
eval_kwargs = cfg.get('evaluation', {}).copy()
# hard-code way to remove EvalHook args
for key in ['interval', 'tmpdir', 'start', 'gpu_collect']:
eval_kwargs.pop(key, None)
eval_kwargs.update(dict(metric=args.eval, **kwargs))
results = dataset.evaluate(outputs, **eval_kwargs)
_records = []
for k in cfg.search_metrics:
if isinstance(results[k], float):
_records.append(f'{(results[k]):.3f}')
else:
_records.append(f'{(results[k])}')
print_log(f'{combinations[i]}: {_records}', logger)
