jvmperf corpus targets

PinsCopy Anchor Link

Large trees are not vendored in this package and do not ship with the repo. Clone them to any local directory and pass that path to the linter. No commit pins are recorded for these trees; note the revision you scanned next to your results.

export JAVA_HOME=/opt/java/jdk-21.0.12.1+1   # or any JDK 21+
cd packages/jvmperf/jvmperf-lint && ./gradlew jar
LINT=$PWD/bin/jvmperf-lint
$LINT --no-fail -f json -j 4 <path-to-clone>

Checker is Java (jvmperf-lint). No Python in this kit.

Default severities follow Rule.java: error jp-string-concat-hot, jp-boxed-stream, jp-enum-key-hash-collection, jp-data-copy-hot, jp-baos-tobytearray-copy, jp-hot-payload-copy, jp-client-factory-recreate, jp-string-intern-hot (G4 JSONL); hint jp-value-class-boxing, jp-android-sparse-array, jp-finalize, jp-hot-system-call, jp-bitmap-decode-no-reuse, jp-hot-post-lambda, jp-ui-text-append, jp-non-static-field-updater; every other rule is off (select with --enable).

InventoryCopy Anchor Link

<corpus-dir>/
  okhttp/ retrofit/ kotlinx-coroutines/ guava/ vertx/ fastjson2/
  jetty/          # sparse jetty-core
  netty/          # sparse buffer + common

Do not commit corpus sources into packages/jvmperf.

Cloned + G3 (2026-10-22, Asia/Shanghai) — r6Copy Anchor Link

G3 triage: run locally; triage notes are not shipped.

corpus-ready: yes — r6 n=26 full: TP 50%, FP+DOC+SKIP 0%; honest TP on jp-data-copy-hot/jp-hot-payload-copy/jp-finalize; every default error has G4 (evidence/*.md+jsonl).

Reverse-optCopy Anchor Link

• Path: samples?/examples?/recipes?/demos?/snippets? → source_group=test (plus prior benchmark/KMP test skips)
• Demote almost-all OK-idiom / no-G4 hot heuristics to off (for example jp-unpresized-collection, jp-hot-heavy-alloc, jp-hot-format-log)
• Keep measured usefulness backbone as error (for example jp-string-concat-hot, jp-data-copy-hot, jp-hot-payload-copy)