Add some benchmarks for LruCache (#6446)

This commit is contained in:
Amber Brown 2020-04-04 02:31:52 +11:00 committed by GitHub
parent 07b88c546d
commit 334bfdbc90
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 91 additions and 5 deletions

1
changelog.d/6446.misc Normal file
View File

@ -0,0 +1 @@
Add benchmarks for LruCache.

View File

@ -14,6 +14,7 @@
# limitations under the License.
import sys
from argparse import REMAINDER
from contextlib import redirect_stderr
from io import StringIO
@ -21,7 +22,7 @@ import pyperf
from synmark import make_reactor
from synmark.suites import SUITES
from twisted.internet.defer import ensureDeferred
from twisted.internet.defer import Deferred, ensureDeferred
from twisted.logger import globalLogBeginner, textFileLogObserver
from twisted.python.failure import Failure
@ -40,7 +41,8 @@ def make_test(main):
file_out = StringIO()
with redirect_stderr(file_out):
d = ensureDeferred(main(reactor, loops))
d = Deferred()
d.addCallback(lambda _: ensureDeferred(main(reactor, loops)))
def on_done(_):
if isinstance(_, Failure):
@ -50,6 +52,7 @@ def make_test(main):
return _
d.addBoth(on_done)
reactor.callWhenRunning(lambda: d.callback(True))
reactor.run()
return d.result
@ -62,11 +65,13 @@ if __name__ == "__main__":
def add_cmdline_args(cmd, args):
if args.log:
cmd.extend(["--log"])
cmd.extend(args.tests)
runner = pyperf.Runner(
processes=3, min_time=2, show_name=True, add_cmdline_args=add_cmdline_args
processes=3, min_time=1.5, show_name=True, add_cmdline_args=add_cmdline_args
)
runner.argparser.add_argument("--log", action="store_true")
runner.argparser.add_argument("tests", nargs=REMAINDER)
runner.parse_args()
orig_loops = runner.args.loops
@ -79,6 +84,11 @@ if __name__ == "__main__":
)
setupdb()
if runner.args.tests:
SUITES = list(
filter(lambda x: x[0].__name__.split(".")[-1] in runner.args.tests, SUITES)
)
for suite, loops in SUITES:
if loops:
runner.args.loops = loops

View File

@ -1,3 +1,9 @@
from . import logging
from . import logging, lrucache, lrucache_evict
SUITES = [(logging, 1000), (logging, 10000), (logging, None)]
SUITES = [
(logging, 1000),
(logging, 10000),
(logging, None),
(lrucache, None),
(lrucache_evict, None),
]

View File

@ -0,0 +1,34 @@
# -*- coding: utf-8 -*-
# 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.util.caches.lrucache import LruCache
async def main(reactor, loops):
"""
Benchmark `loops` number of insertions into LruCache without eviction.
"""
cache = LruCache(loops)
start = perf_counter()
for i in range(loops):
cache[i] = True
end = perf_counter() - start
return end

View File

@ -0,0 +1,35 @@
# -*- coding: utf-8 -*-
# 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.util.caches.lrucache import LruCache
async def main(reactor, loops):
"""
Benchmark `loops` number of insertions into LruCache where half of them are
evicted.
"""
cache = LruCache(loops // 2)
start = perf_counter()
for i in range(loops):
cache[i] = True
end = perf_counter() - start
return end