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authorAmber Brown <hawkowl@atleastfornow.net>2020-04-04 02:31:52 +1100
committerGitHub <noreply@github.com>2020-04-03 16:31:52 +0100
commit334bfdbc9088cfe2fbe43cfe1c349c27734bb341 (patch)
tree4bd395f26df1e3b59c4ef396ed82ef30605e8f74 /synmark/suites/lrucache_evict.py
parentConvert http.HTTPStatus objects to their int equivalent (#7188) (diff)
downloadsynapse-334bfdbc9088cfe2fbe43cfe1c349c27734bb341.tar.xz
Add some benchmarks for LruCache (#6446)
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diff --git a/synmark/suites/lrucache_evict.py b/synmark/suites/lrucache_evict.py
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+# -*- 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