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paddlepaddle--paddle/test/ir/pir/cinn/test_softmax.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2024 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 numpy as np
import utils
from test_cinn_sub_graph import TestCinnSubGraphBase
import paddle
from paddle import nn
class SoftmaxNet(nn.Layer):
def __init__(self):
super().__init__()
def forward(self, x):
return nn.functional.softmax(x, axis=-1)
class TestSoftmax(TestCinnSubGraphBase):
def prepare_data(self):
self.shape = [7, 2048, 768]
self.x = paddle.randn(self.shape, dtype="float32")
self.x.stop_gradient = True
def check_jit_kernel_info(self, static_fn):
utils.check_jit_kernel_number(static_fn, 1)
utils.check_jit_kernel_structure(static_fn, {utils.JIT_KERNEL_NAME: 1})
def eval(self, use_cinn):
paddle.seed(2022)
net = SoftmaxNet()
net = utils.apply_to_static(net, use_cinn)
net.eval()
out = net(self.x)
if use_cinn:
self.check_jit_kernel_info(net.forward)
return out
def test_eval(self):
cinn_out = self.eval(use_cinn=True)
dy_out = self.eval(use_cinn=False)
np.testing.assert_allclose(
cinn_out.numpy(), dy_out.numpy(), atol=1e-6, rtol=1e-6
)
if __name__ == '__main__':
unittest.main()