synapse/synmark/suites/lrucache_evict.py
2023-10-04 13:53:04 -04:00

35 lines
1.1 KiB
Python

# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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 pyperf import perf_counter
from synapse.types import ISynapseReactor
from synapse.util.caches.lrucache import LruCache
async def main(reactor: ISynapseReactor, loops: int) -> float:
"""
Benchmark `loops` number of insertions into LruCache where half of them are
evicted.
"""
cache: LruCache[int, bool] = LruCache(loops // 2)
start = perf_counter()
for i in range(loops):
cache[i] = True
end = perf_counter() - start
return end