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mindspore.ops.GeLU

View Source On Gitee
class mindspore.ops.GeLU[source]

Gaussian Error Linear Units activation function.

GeLU is described in the paper Gaussian Error Linear Units (GELUs). And also please refer to BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding.

GeLU is defined as follows:

GELU(xi)=xiP(X<xi)

where P is the cumulative distribution function of the standard Gaussian distribution, xi is the input element.

Inputs:
  • x (Tensor) - The input of the activation function GeLU, the data type is float16, float32 or float64.

Outputs:

Tensor, with the same type and shape as x.

Raises
  • TypeError – If x is not a Tensor.

  • TypeError – If dtype of x is not float16, float32 or float64.

Supported Platforms:

Ascend GPU CPU

Examples

>>> import mindspore
>>> import numpy as np
>>> from mindspore import Tensor, ops
>>> x = Tensor(np.array([1.0, 2.0, 3.0]), mindspore.float32)
>>> gelu = ops.GeLU()
>>> result = gelu(x)
>>> print(result)
[0.841192  1.9545976  2.9963627]