.. _l-onnx-doccom.microsoft-FastGelu: ======================== com.microsoft - FastGelu ======================== .. contents:: :local: .. _l-onnx-opcom-microsoft-fastgelu-1: FastGelu - 1 (com.microsoft) ============================ **Version** * **name**: `FastGelu (GitHub) `_ * **domain**: **com.microsoft** * **since_version**: **1** * **function**: * **support_level**: * **shape inference**: This version of the operator has been available **since version 1 of domain com.microsoft**. **Summary** GELU (Gaussian Error Linear Unit) approximation: Y=0.5*X*(1+tanh(0.797885*X+0.035677*X*X*X)) with an optional input of bias that will be added to X before GELU. **Inputs** Between 1 and 2 inputs. * **X** (heterogeneous) - **T**: input tensor * **bias** (optional, heterogeneous) - **T**: bias tensor **Outputs** * **Y** (heterogeneous) - **T**: output tensor **Examples**