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seconds=0.974656207", "[collection-trial] engine=native trial=0 warmup=true rows=50000 seconds=1.335691362", "[collection-trial] engine=native trial=1 warmup=true rows=50000 seconds=0.860969793", "[collection-trial] engine=flink trial=1 warmup=true rows=50000 seconds=0.437891849", "[collection-trial] engine=flink trial=2 warmup=false rows=50000 seconds=0.396059966", "[collection-trial] engine=native trial=2 warmup=false rows=50000 seconds=0.798988244", "[collection-trial] engine=native trial=3 warmup=false rows=50000 seconds=0.709350260", "[collection-trial] engine=flink trial=3 warmup=false rows=50000 seconds=0.383667156", "[collection-trial] engine=flink trial=4 warmup=false rows=50000 seconds=0.374440310", "[collection-trial] engine=native trial=4 warmup=false rows=50000 seconds=0.779504236" ], "native_evidence": [ "[collection-route] [{operator=NativeCalc(select=[ROW(CAST(arr AS RecordType(BIGINT a, VARCHAR(2147483647) b) A, recordsIn=50000, jobId=6307a01ce81f75157b841f0922ea46c9, 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metadata requires Flink's whole-Calc evaluation]" ] } ], "complete_jobs": 80, "positive_native_calc_witnesses": 20, "profiles": { "capture_seconds": 8, "warmup": "One unprofiled native-only complete job before each capture", "flink_line": "2.2.1", "implementation": "Existing generated NativeCalc, same release/mimalloc DSO", "includes": "All JVM/native threads, JIT, repeated complete-job setup and native processing; no stock jobs in captured process. No allocation/copy byte or isolated-kernel timing claim.", "captures": [ { "width": 3, "target_pid": 1609473, "returncode": 0, "profiler_returncode": 0, "wall_seconds": 19.045976638793945, "jfr": "width3.jfr", "log": "width3.log", "profiler_stdout": "", "profiler_stderr": "Profiling for 8 seconds\nDone\n", "native_witness_count": 34, "cpu_samples": 20683, "inclusive_sample_counts": { "row_serialization": 349, "arrow_field_writing": 476, "row_writing": 360, "nested_string_writing": 200, "generated_evaluation": 385, "jvm_batch_callback": 309, "native_calc_entry": 175, "row_copy": 98 }, "jfr_sha256": "3d21f776e6d1e9e33b0dde3843406acb7e088d3fe54e457c12e4e373b577bce1" }, { "width": 16, "target_pid": 1613061, "returncode": 0, "profiler_returncode": 0, "wall_seconds": 19.77332043647766, "jfr": "width16.jfr", "log": "width16.log", "profiler_stdout": "", "profiler_stderr": "Profiling for 8 seconds\nDone\n", "native_witness_count": 15, "cpu_samples": 15380, "inclusive_sample_counts": { "row_serialization": 800, "arrow_field_writing": 789, "row_writing": 708, "nested_string_writing": 417, "generated_evaluation": 513, "jvm_batch_callback": 374, "native_calc_entry": 209, "row_copy": 59 }, "jfr_sha256": "9d51ed2662323d1ce7e464b3985420740957c7bbf21921fbeab8280980213f06" } ], "status": "closed after exactly two CPU captures; no additional native/kernel optimization", "remaining_cost": "Row serialization, nested Arrow writers, generated evaluation and the existing batch callback; no allocation, copy-byte or isolated-kernel timing claim. Follow-up #392." }, "correctness": { "flink_2.2.1": { "structured_checks_pass": 53, "existing_object_checks_pass": 6 }, "flink_1.18.1": { "structured_checks_pass": 51, "structured_absent_object_function_skips": 2, "existing_object_function_skips": 6 }, "upstream_miscellaneous_casts": { "flink_2.2.1_pass": 58, "flink_1.18.1_pass": 41, "scope": "Unchanged released result regressions; not counted as positive native work for the new source boundary." }, "source_hint_checks": { "per_line_pass": 12, "hints": [ "parent", "fields", "arrays", "keys", "values", "multiset" ], "casts": [ "CAST", "TRY_CAST" ], "scope": "Actual NULLs despite NOT NULL hints; preserve released success or getter/conversion failure and resolved types; positive NativeCalc work required for successful populated cases." } } }