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comment on gelu function

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thomwolf
2018-11-03 10:47:10 +01:00
parent 01b1a05343
commit e6d106a01b
1 changed files with 2 additions and 2 deletions
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modeling_pytorch.py
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@@ -28,8 +28,8 @@ from torch.nn import CrossEntropyLoss
def gelu(x):
return x * 0.5 * (1.0 + torch.erf(x / math.sqrt(2.0)))
# OpenAI GPT gelu version :
# return 0.5 * x * (1 + torch.tanh(math.sqrt(2 / math.pi) * (x + 0.044715 * torch.pow(x, 3))))
# For information: OpenAI GPT gelu version is a bit different:
# 0.5 * x * (1 + torch.tanh(math.sqrt(2 / math.pi) * (x + 0.044715 * torch.pow(x, 3))))
class BertConfig(object):