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paddlepaddle--paddle/test/ipu/test_ipu_shard_api_ipu.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2022 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 paddle
import paddle.static
paddle.enable_static()
class TestIpuShard(unittest.TestCase):
def _test(self):
# build graph
main_prog = paddle.static.Program()
with paddle.static.program_guard(main_prog):
a = paddle.static.data(name='data', shape=[None, 1], dtype='int32')
b = a + 2 # scale : scale * x + bias, ipu_index : no
with paddle.static.ipu_shard_guard(index=1):
c = b + 1 # scale, ipu_index : 1
with paddle.static.ipu_shard_guard(index=2):
d = c * 2 # scale, ipu_index : 2
with paddle.static.ipu_shard_guard(index=3):
e = d + 3 # scale, ipu_index : 3
with paddle.static.ipu_shard_guard(index=1):
e = e + 3 # scale, ipu_index : 1
with paddle.static.ipu_shard_guard(index=2):
e = e + 3 # scale, ipu_index : 2
with paddle.static.ipu_shard_guard(index=1):
f = paddle.tensor.pow(e, 2.0) # pow, ipu_index : 1
with paddle.static.ipu_shard_guard(index=2):
g = f - 1 # scale, ipu_index : 2
h = g + 1 # scale, ipu_index : no
ipu_index_list = []
for op in main_prog.global_block().ops:
if op.desc.has_attr("ipu_index"):
ipu_index_list.append(op.desc.attr("ipu_index"))
return ipu_index_list
def test_ipu_shard(self):
ipu_index_list = self._test()
expected_ipu_index_list = [1, 2, 3, 1, 2, 1, 2]
np.testing.assert_allclose(
ipu_index_list, expected_ipu_index_list, rtol=1e-05, atol=0
)
class TestIpuPipeline(unittest.TestCase):
def _test(self):
# build graph
main_prog = paddle.static.Program()
with paddle.static.program_guard(main_prog):
a = paddle.static.data(name='data', shape=[None, 1], dtype='int32')
b = a + 2 # scale : scale * x + bias, ipu_stage : no
with paddle.static.ipu_shard_guard(stage=1):
c = b + 1 # scale, ipu_stage : 1
with paddle.static.ipu_shard_guard(stage=2):
d = c * 2 # scale, ipu_stage : 2
with paddle.static.ipu_shard_guard(stage=3):
e = d + 3 # scale, ipu_stage : 3
with paddle.static.ipu_shard_guard(stage=1):
e = e + 3 # scale, ipu_stage : 1
with paddle.static.ipu_shard_guard(stage=2):
e = e + 3 # scale, ipu_stage : 2
with paddle.static.ipu_shard_guard(stage=1):
f = paddle.tensor.pow(e, 2.0) # pow, ipu_stage : 1
with paddle.static.ipu_shard_guard(stage=2):
g = f - 1 # scale, ipu_stage : 2
h = g + 1 # scale, ipu_stage : no
ipu_index_list = []
for op in main_prog.global_block().ops:
if op.desc.has_attr("ipu_stage"):
ipu_index_list.append(op.desc.attr("ipu_stage"))
return ipu_index_list
def test_ipu_shard(self):
ipu_index_list = self._test()
expected_ipu_index_list = [1, 2, 3, 1, 2, 1, 2]
np.testing.assert_allclose(
ipu_index_list, expected_ipu_index_list, rtol=1e-05, atol=0
)
if __name__ == "__main__":
unittest.main()