{
  "date": "2026-10-28",
  "baseline_revision": "d89e03b5",
  "feature": "DECIMAL NEGATE",
  "machine": {
    "cpu": "Apple M4 Pro",
    "os": "macOS aarch64",
    "jdk": "17.0.12",
    "rust": "1.94.0",
    "profile": "release, no-default-features, system allocator, counting allocation wrapper"
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    "prepared": "Equal prepared values/types/NULLs. Stock generated execution starts on GenericRowData/BinaryRowData in Java; previous and candidate production Calc start on Arrow in Rust. Java stock timer and Rust native timers include equivalent output consumption. Setup, JNI import/export and perimeter transposes excluded; preceding scalar generated callback and its decimal argument/result conversions retained. Every output checked by exact schema/Arrow equality before timing and checksum during trials.",
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    "measured_trials": 11,
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