|
|
| import argparse
|
|
|
| from mmengine import Config
|
| from mmengine.registry import init_default_scope
|
|
|
| from mmaction.registry import MODELS
|
|
|
| try:
|
| from mmengine.analysis import get_model_complexity_info
|
| except ImportError:
|
| raise ImportError('Please upgrade mmcv to >0.6.2')
|
|
|
|
|
| def parse_args():
|
| parser = argparse.ArgumentParser(description='Get model flops and params')
|
| parser.add_argument('config', help='config file path')
|
| parser.add_argument(
|
| '--shape',
|
| type=int,
|
| nargs='+',
|
| default=[224, 224],
|
| help='input image size')
|
| args = parser.parse_args()
|
| return args
|
|
|
|
|
| def main():
|
|
|
| args = parse_args()
|
|
|
| if len(args.shape) == 1:
|
| input_shape = (1, 3, args.shape[0], args.shape[0])
|
| elif len(args.shape) == 2:
|
| input_shape = (1, 3) + tuple(args.shape)
|
| elif len(args.shape) == 4:
|
|
|
| input_shape = tuple(args.shape)
|
| elif len(args.shape) == 5:
|
|
|
|
|
| input_shape = tuple(args.shape)
|
| else:
|
| raise ValueError('invalid input shape')
|
|
|
| cfg = Config.fromfile(args.config)
|
| init_default_scope(cfg.get('default_scope', 'mmaction'))
|
| model = MODELS.build(cfg.model)
|
| model.eval()
|
|
|
| if hasattr(model, 'extract_feat'):
|
| model.forward = model.extract_feat
|
| else:
|
| raise NotImplementedError(
|
| 'FLOPs counter is currently not currently supported with {}'.
|
| format(model.__class__.__name__))
|
|
|
| analysis_results = get_model_complexity_info(model, input_shape)
|
| flops = analysis_results['flops_str']
|
| params = analysis_results['params_str']
|
| table = analysis_results['out_table']
|
| print(table)
|
| split_line = '=' * 30
|
| print(f'\n{split_line}\nInput shape: {input_shape}\n'
|
| f'Flops: {flops}\nParams: {params}\n{split_line}')
|
| print('!!!Please be cautious if you use the results in papers. '
|
| 'You may need to check if all ops are supported and verify that the '
|
| 'flops computation is correct.')
|
|
|
|
|
| if __name__ == '__main__':
|
| main()
|
|
|
