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david radley commented on FLINK-37435: -------------------------------------- On my busy laptop running IBM Semeru Runtime Open Edition 11.0.24.0 (build 11.0.24+8) I get: Benchmark Mode Cnt Score Error Units KryoBenchmark.readKryoBaseline thrpt 25 218.148 ± 9.630 ops/ms KryoBenchmark.readKryoVersionB thrpt 25 215.178 ± 9.577 ops/ms KryoBenchmark.readKryoVersionC thrpt 25 238.044 ± 14.186 ops/ms KryoBenchmark.readKryoVersionD thrpt 25 258.871 ± 9.932 ops/ms KryoBenchmark.readKryoVersionE thrpt 25 272.074 ± 8.152 ops/ms KryoBenchmark.readKryoVersionF thrpt 25 509.556 ± 11.247 ops/ms KryoBenchmark.readKryoVersionG thrpt 25 1689.731 ± 89.401 ops/ms So only the last 2 make any appreciable difference on my run. > Kryo related perf regression since March 5th > -------------------------------------------- > > Key: FLINK-37435 > URL: https://issues.apache.org/jira/browse/FLINK-37435 > Project: Flink > Issue Type: Bug > Components: API / Type Serialization System, Benchmarks > Affects Versions: 2.0.0 > Reporter: Zakelly Lan > Priority: Major > Attachments: image-2025-03-07-12-29-54-443.png, > profile-results-after.zip, profile-results-before.zip > > > Seems a obvious regression across all java version. > http://flink-speed.xyz/timeline/?exe=6%2C12%2C13&base=&ben=readKryo&env=3&revs=200&equid=off&quarts=on&extr=on > http://flink-speed.xyz/timeline/?exe=6%2C12%2C13&base=&ben=serializerKryo&env=3&revs=200&equid=off&quarts=on&extr=on -- This message was sent by Atlassian Jira (v8.20.10#820010)