wehub-resource-sync
62 lines
2.2 KiB
Python
62 lines
2.2 KiB
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
|
|
|
|
from op_test import is_custom_device
|
|
|
|
import paddle
|
|
from paddle.base import core
|
|
|
|
paddle.set_device('cpu')
|
|
|
|
|
|
class TestHostMemoryStats(unittest.TestCase):
|
|
def test_memory_allocated_with_pinned(self, device=None):
|
|
if core.is_compiled_with_cuda() or is_custom_device():
|
|
tensor = paddle.zeros(shape=[256])
|
|
tensor_pinned = tensor.pin_memory()
|
|
alloc_size = 4 * 256 # 256 float32 data, with 4 bytes for each one
|
|
memory_allocated_size = core.host_memory_stat_current_value(
|
|
"Allocated", 0
|
|
)
|
|
self.assertEqual(memory_allocated_size, alloc_size * 2)
|
|
|
|
def foo():
|
|
tensor = paddle.zeros(shape=[256])
|
|
tensor_pinned = tensor.pin_memory()
|
|
memory_allocated_size = core.host_memory_stat_current_value(
|
|
"Allocated", 0
|
|
)
|
|
self.assertEqual(memory_allocated_size, alloc_size * 4)
|
|
max_allocated_size = core.host_memory_stat_peak_value(
|
|
"Allocated", 0
|
|
)
|
|
self.assertEqual(memory_allocated_size, alloc_size * 4)
|
|
|
|
foo()
|
|
|
|
memory_allocated_size = core.host_memory_stat_current_value(
|
|
"Allocated", 0
|
|
)
|
|
self.assertEqual(memory_allocated_size, alloc_size * 2)
|
|
|
|
max_allocated_size = core.host_memory_stat_peak_value(
|
|
"Allocated", 0
|
|
)
|
|
self.assertEqual(max_allocated_size, alloc_size * 4)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|