# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
# --------------------------------------------------------------------------
from fusion_base import Fusion
from onnx import helper
from onnx_model import OnnxModel
class FusionGeluApproximation(Fusion):
def __init__(self, model: OnnxModel):
super().__init__(model, "FastGelu", ["Gelu", "BiasGelu"], "GeluApproximation")
def fuse(self, node, input_name_to_nodes, output_name_to_node):
new_node = helper.make_node(
"FastGelu",
inputs=node.input,
outputs=node.output,
name=self.model.create_node_name("FastGelu", node.op_type + "_Approximation"),
)
new_node.domain = "com.microsoft"
self.nodes_to_remove.append(node)
self.nodes_to_add.append(new_node)
self.node_name_to_graph_name[new_node.name] = self.this_graph_name