Files
2026-07-13 12:40:42 +08:00

62 lines
2.2 KiB
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 numpy as np
from semi_auto_parallel_util import SemiAutoParallelTestBase
import paddle
import paddle.distributed as dist
class TestItemApiForSemiAutoParallel(SemiAutoParallelTestBase):
def __init__(self):
super().__init__()
paddle.seed(self._seed)
np.random.seed(self._seed)
def test_item_api(self):
mesh = dist.ProcessMesh([0, 1], dim_names=["x"])
a = paddle.rand(shape=[6, 8])
b = dist.shard_tensor(a, mesh, [dist.Shard(0)])
np.testing.assert_equal(b.item(0, 0), a[0][0].item())
np.testing.assert_equal(b.item(3, 5), a[3][5].item())
def test_item_api_with_pp(self):
mesh0 = dist.ProcessMesh([0], dim_names=["x"])
mesh1 = dist.ProcessMesh([1], dim_names=["y"])
a = paddle.rand(shape=[6, 8])
b = dist.shard_tensor(a, mesh0, [dist.Replicate()])
c = dist.reshard(b, mesh1, [dist.Replicate()])
if c.item(0, 0): # in device 1
np.testing.assert_equal(c.item(0, 0), a[0][0].item())
np.testing.assert_equal(c.item(3, 5), a[3][5].item())
else: # in device 0
np.testing.assert_equal(c.item(3, 5), None)
def run_test_case(self):
if self._backend == "cpu":
paddle.set_device("cpu")
elif self._backend == "gpu":
paddle.set_device("gpu:" + str(dist.get_rank()))
# only gpu can run pipeline
self.test_item_api_with_pp()
else:
raise ValueError("Only support cpu or gpu backend.")
self.test_item_api()
if __name__ == '__main__':
TestItemApiForSemiAutoParallel().run_test_case()