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paddlepaddle--paddle/test/ir/inference/test_flatten2_matmul_fuse_pass.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import hypothesis.strategies as st
from auto_scan_test import PassAutoScanTest
from program_config import OpConfig, ProgramConfig, TensorConfig
class TestFlatten2MatmulFusePass(PassAutoScanTest):
r"""
x_var
|
flatten2
\
flatten2_out_var y_var
\ /
matmul bias_var
\ /
elementwise_add
"""
def sample_predictor_configs(self, program_config):
# cpu
config = self.create_inference_config(use_gpu=False)
yield config, ["mul", "elementwise_add"], (1e-5, 1e-5)
# for gpu
config = self.create_inference_config(use_gpu=True)
yield config, ["mul", "elementwise_add"], (1e-5, 1e-5)
def sample_program_config(self, draw):
# 1. Generate shape and attr of flatten2
x_shape = draw(
st.lists(
st.integers(min_value=1, max_value=10), min_size=4, max_size=4
)
)
# [a, b, c, d] => [a, b*c*d]
flatten_axis = 1
flatten_shape = [x_shape[0], x_shape[1] * x_shape[2] * x_shape[3]]
# 2. Generate attr:transpose_X/transpose_Y/alpha of matmul
alpha = 1.0
transpose_X = False
transpose_Y = False
# 3. Generate legal shape of input:Y of matmul
y_shape = draw(
st.lists(
st.integers(min_value=1, max_value=8), min_size=2, max_size=2
)
)
y_shape[0] = flatten_shape[1]
# 4. Generate legal attr:axis of elementwise_add
axis = draw(st.integers(min_value=-1, max_value=1))
if axis == 0:
bias_shape = [
flatten_shape[0],
]
elif axis == 1:
bias_shape = [y_shape[1]]
else:
bias_shape = [flatten_shape[0], y_shape[1]]
if draw(st.booleans()):
bias_shape[1] = 1
flatten2_op = OpConfig(
"flatten2",
inputs={
"X": ["flatten2_x"],
},
axis=flatten_axis,
outputs={"Out": ["flatten2_out"], "XShape": ["xshape"]},
)
matmul_op = OpConfig(
"matmul",
inputs={"X": ["flatten2_out"], "Y": ["matmul_y"]},
outputs={"Out": ["matmul_out"]},
alpha=alpha,
transpose_X=transpose_X,
transpose_Y=transpose_Y,
)
add_op = OpConfig(
"elementwise_add",
inputs={"X": ["matmul_out"], "Y": ["bias"]},
outputs={"Out": ["add_out"]},
axis=axis,
)
ops = [flatten2_op, matmul_op, add_op]
if draw(st.integers(min_value=1, max_value=10)) <= 8:
program_config = ProgramConfig(
ops=ops,
weights={
"matmul_y": TensorConfig(shape=y_shape),
"bias": TensorConfig(shape=bias_shape),
},
inputs={
"flatten2_x": TensorConfig(shape=x_shape),
},
outputs=ops[-1].outputs["Out"],
)
else:
program_config = ProgramConfig(
ops=ops,
weights={},
inputs={
"flatten2_x": TensorConfig(shape=x_shape),
"matmul_y": TensorConfig(shape=y_shape),
"bias": TensorConfig(shape=bias_shape),
},
outputs=ops[-1].outputs["Out"],
)
return program_config
def test(self):
self.run_and_statistics(
quant=False,
max_examples=50,
max_duration=1000,
passes=["gpu_cpu_flatten2_matmul_fuse_pass"],
)
if __name__ == "__main__":
unittest.main()