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import argparse
def str2bool(v):
if v.lower() in ['true', 1]:
return True
elif v.lower() in ['false', 0]:
return False
else:
raise argparse.ArgumentTypeError('Boolean value expected.')
def count_params(model):
return sum(p.numel() for p in model.parameters() if p.requires_grad)
class AverageMeter(object):
"""Computes and stores the average and current value"""
def __init__(self):
self.reset()
def reset(self):
self.val = 0
self.avg = 0
self.sum = 0
self.count = 0
def update(self, val, n=1):
self.val = val
self.sum += val * n
self.count += n
self.avg = self.sum / self.count
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