mirror of
https://github.com/ROCm/jax.git
synced 2025-04-14 10:56:06 +00:00
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# Copyright 2023 The JAX Authors.
|
|
#
|
|
# 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
|
|
#
|
|
# https://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 os
|
|
import unittest
|
|
|
|
from absl.testing import absltest
|
|
import jax
|
|
from jax._src import config
|
|
from jax._src import test_util as jtu
|
|
|
|
config.parse_flags_with_absl()
|
|
|
|
|
|
class GpuMemoryAllocationTest(absltest.TestCase):
|
|
|
|
# This test must be run in its own subprocess.
|
|
@jtu.skip_under_pytest("Test must run in an isolated process")
|
|
@unittest.skipIf(
|
|
"XLA_PYTHON_CLIENT_ALLOCATOR" in os.environ,
|
|
"Test does not work if the python client allocator has been overriden",
|
|
)
|
|
def test_gpu_memory_allocation(self):
|
|
falsey_values = ("0", "False", "false")
|
|
preallocate = (
|
|
os.environ.get("XLA_PYTHON_CLIENT_PREALLOCATE", "1")
|
|
not in falsey_values
|
|
)
|
|
device = jax.devices()[0]
|
|
mem_stats = device.memory_stats()
|
|
self.assertEqual(mem_stats["pool_bytes"], 0)
|
|
x = jax.lax.add(1, 2)
|
|
|
|
mem_stats = device.memory_stats()
|
|
if preallocate:
|
|
self.assertEqual(mem_stats["pool_bytes"], mem_stats["bytes_limit"])
|
|
else:
|
|
self.assertLessEqual(
|
|
mem_stats["pool_bytes"], mem_stats["bytes_limit"] // 2
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
absltest.main(testLoader=jtu.JaxTestLoader())
|