{ "schema_version": 1, "date": "2026-11-01", "candidate_revision": "5fa5ceae064f4e2fe9356010be17ccf14066cd68", "previous_revision": "f5274a10a373ed3a8081b4c5b9b6b46625966bef", "native_sha256": "d1e7b4611e6d52f569b355e0aa255174da220462b8225c7fb6a1d91be9df5acb", "fixture_sha256": { "FlinkPrimitiveTemporalTableFunctionSqlHarnessTest.java": "e0cb530a9773e582594ce4e3dd86b1587e48f49747d8fefc5a1ff004c12dc5ed", "PrimitiveTemporalTableFunctionBenchmark.java": "e8397573f2aff56bdde615b1dae4f99df71a45a9eede6edc9362288397b0e216", "FlinkAlternateTemporalTableFunctionSqlHarnessTest.java": "13099553a80030759af08fed4b776bbf784524b9a1f65be2b3a3d29442d1de72", "FlinkInferredNestedScalarSqlHarnessTest.java": "437bc65988f594208f338c9b00300ec34c34f2e709663e69fb25e904c6524673", "InferredNestedScalarBenchmark.java": "0baa787fc2ec9d6e13a4d2abf059c9b42a86091acd4224673d5f434d19cf46f7", "FlinkNestedScalarSqlHarnessTest.java": "a558f05ab887e357db239e3f4e21656c73309b4694506587cf5b6f489b6a437f" }, "purpose": "Cost of correctness-verified primitive table-function bridges and default custom scalar inference under the accepted UDF exception; no acceleration claim.", "environment": { "os": "Darwin", "architecture": "arm64", "logical_cpus": 10, "memory_bytes": 17179869184, "jdk": "Temurin 17.0.17", "heap": "2 GiB", "parallelism": 1, "transpose_batch_rows": 1024, "native_profile": "release/mimalloc", "warmup_pairs": 2, "measured_pairs": 5 }, "method": "Same complete-job boundaries as the temporal matrix: symmetric EXPLAIN before timing; execution includes row source, callback/conversion/owned writes, blackhole and both transposes. Baseline is immutable pre-goal canonical f5274a10 with identical fixture-only copies and unchanged production Java. Candidate asserts native target work, both transposes and no fallback; previous enabled controls assert zero native substitutions/work. Preparation and measurements are serialized; no other build/test from this goal overlaps timing.", "correctness": { "flink_2_2_1": { "passed": 252, "skipped": 0, "failures": 0, "errors": 0 }, "flink_1_18_1": { "passed": 251, "skipped": 1, "skip_reason": "Existing ARRAY_SORT is absent from released Flink 1.18.", "failures": 0, "errors": 0 } }, "limitations": [ "Short jobs include startup/JIT variability; independent JVM stock controls can drift.", "CPU resources are not reserved; significant sampled background processes are retained per series.", "Pre-goal canonical baseline f5274a10 precedes both conversion PR increments.", "Do not interpret cross-fork differences as isolated optimizations. 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