wehub-resource-sync
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
# Copyright (c) 2025 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.
|
|
|
|
from __future__ import annotations
|
|
|
|
import unittest
|
|
|
|
from test_case_base import (
|
|
TestCaseBase,
|
|
)
|
|
|
|
import paddle
|
|
from paddle.jit.sot.opcode_translator.executor.executor_cache import (
|
|
OpcodeExecutorCache,
|
|
)
|
|
from paddle.jit.sot.utils import ENV_SOT_UNSAFE_CACHE_FASTPATH
|
|
from paddle.utils.environments import (
|
|
EnvironmentVariableGuard,
|
|
)
|
|
|
|
|
|
def add(x, y):
|
|
return x + y
|
|
|
|
|
|
def subtract(x, y):
|
|
return x - y
|
|
|
|
|
|
class TestUnsafeCacheFastPath(TestCaseBase):
|
|
def test_guard(self):
|
|
# NOTE: When UNSAFE CACHE FASTPATH is enabled, if the same cache entry is hit consecutively
|
|
# for 32 times (this threshold is configurable), the cache is considered stable and
|
|
# subsequent guard checks will be skipped to improve performance.
|
|
# The related logic is implemented in the OpcodeExecutorCache class.
|
|
with EnvironmentVariableGuard(ENV_SOT_UNSAFE_CACHE_FASTPATH, True):
|
|
self.assertTrue(ENV_SOT_UNSAFE_CACHE_FASTPATH.get())
|
|
|
|
self.assertFalse(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
add.__code__
|
|
)
|
|
)
|
|
# The test needs to consider the issue of dynamic shapes: when the input shape changes,
|
|
# the previous cache may become invalid.
|
|
self.assert_results(add, 1, paddle.ones([32, 4]))
|
|
for _ in range(34):
|
|
self.assert_results(add, 1, paddle.ones([4]))
|
|
self.assertTrue(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
add.__code__
|
|
)
|
|
)
|
|
# NOTE: Once fastpath is enabled, the cache will not be rebuilt even if the shape changes again afterwards.
|
|
# This is the "UNSAFE" aspect of the environment variable `ENV_SOT_UNSAFE_CACHE_FASTPATH`.
|
|
self.assert_results(add, 1, paddle.ones([31, 4]))
|
|
self.assertTrue(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
add.__code__
|
|
)
|
|
)
|
|
|
|
self.assertFalse(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
subtract.__code__
|
|
)
|
|
)
|
|
|
|
with EnvironmentVariableGuard(ENV_SOT_UNSAFE_CACHE_FASTPATH, False):
|
|
self.assertFalse(ENV_SOT_UNSAFE_CACHE_FASTPATH.get())
|
|
self.assertFalse(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
subtract.__code__
|
|
)
|
|
)
|
|
for _ in range(35):
|
|
self.assert_results(add, 1, 2)
|
|
self.assertFalse(
|
|
OpcodeExecutorCache().is_fastpath_threshold_reached(
|
|
subtract.__code__
|
|
)
|
|
)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|