{ "date": "2026-11-03", "base": "5d628b6a053442ed2d186d882eff57a7093c1b3e", "prior_encoder": "490f458af24c8f7078e1936769d757b4e970f87a", "comparison": "Actual preceding encoder on the same current release library, fixture and allocator. It retains JVM evaluation; not a complete historical DSO replay.", "build": "release --no-default-features --features mimalloc", "allocator": "CountingAllocator wraps System in the prepared executable; Mach-O malloc and mi_malloc have the same address in both executable and JNI DSO (mimalloc-linked).", "platform": "Apple M4 Pro, macOS arm64, one thread", "jdk": "17.0.12", "method": { "rows_per_trial": 131072, "warmups": 16, "trials": 9, "input": "Identical prepared signed TINYINT/SMALLINT/INT values, NULL every seventh row when enabled; stock BinaryRowData versus Rust Arrow buffers.", "timer": "Rust starts after Arrow import and stops before output export; result consumption, widening and intrinsic JVM callbacks remain timed. Stock starts on prepared RowData.", "stock_controls": "flink belongs to the candidate process; prior-stock is the independent stock control in the previous-encoder process.", "pipeline": "INT source, one million rows, UTC, blackhole; two warmups, five measured trials, alternating engine order; startup, JNI and both transposes retained." }, "summary": { "22-1024": { "cells": 24, "ratios": { "flink": [ 2.3132244668911337, 4.192866493551087 ], "prior-stock": [ 2.408529741863075, 10.25548855076507 ], "previous": [ 6.535686530673971, 61.80357104534627 ] }, "slower_than_stock": 0 }, "22-16": { "cells": 6, "ratios": { "flink": [ 0.2640850652185792, 0.27718380938038584 ], "prior-stock": [ 0.263048179349605, 0.2963553288857604 ], "previous": [ 15.664920714615358, 17.171630101806983 ] }, "slower_than_stock": 6 }, "118-1024": { "cells": 24, "ratios": { "flink": [ 1.6816392445267556, 3.0617260981912144 ], "prior-stock": [ 2.0094175701973866, 3.468500443655723 ], "previous": [ 6.132741019776671, 44.228021880312696 ] }, "slower_than_stock": 0 }, "118-16": { "cells": 6, "ratios": { "flink": [ 0.2457460354832752, 0.26233486904175085 ], "prior-stock": [ 0.2509717561596758, 0.31528168274168944 ], "previous": [ 15.97076135493525, 17.228689566516948 ] }, "slower_than_stock": 6 } }, "cells": { "22-0": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 17.04279327392578, "min": 16.449928283691406, "max": 35.82000732421875 }, "native": { "median": 6.989479064941406, "min": 6.647422790527344, "max": 7.18084716796875 }, "prior-stock": { "median": 20.38256072998047, "min": 18.204055786132812, "max": 21.569252014160156 }, "previous": { "median": 55.91900634765625, "min": 44.93744659423828, "max": 65.24054718017578 } } }, "22-1": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 16.614593505859375, "min": 16.385398864746094, "max": 37.285484313964844 }, "native": { "median": 6.3718109130859375, "min": 6.208732604980469, "max": 6.574317932128906 }, "prior-stock": { "median": 17.920814514160156, "min": 17.379440307617188, "max": 18.976531982421875 }, "previous": { "median": 52.48896789550781, "min": 43.20653533935547, "max": 57.86164855957031 } } }, "22-2": { "type": "TINYINT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 4.8259124755859375, "min": 4.786491394042969, "max": 23.558616638183594 }, "native": { "median": 1.6247406005859375, "min": 1.6183853149414062, "max": 1.766204833984375 }, "prior-stock": { "median": 4.932403564453125, "min": 4.256889343261719, "max": 18.361724853515625 }, "previous": { "median": 54.164886474609375, "min": 48.87199401855469, "max": 80.74443054199219 } } }, "22-3": { "type": "TINYINT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.4637451171875, "min": 3.3998489379882812, "max": 3.5104751586914062 }, "native": { "median": 1.2445449829101562, "min": 1.21148681640625, "max": 1.2973175048828125 }, "prior-stock": { "median": 3.5203323364257812, "min": 3.3626556396484375, "max": 3.786407470703125 }, "previous": { "median": 44.33599853515625, "min": 42.59141540527344, "max": 59.44252014160156 } } }, "22-4": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 17.4071044921875, "min": 16.840614318847656, "max": 40.20214080810547 }, "native": { "median": 7.1239471435546875, "min": 6.922721862792969, "max": 7.202781677246094 }, "prior-stock": { "median": 18.54833221435547, "min": 18.37603759765625, "max": 19.52043914794922 }, "previous": { "median": 56.952789306640625, "min": 49.489662170410156, "max": 73.33818817138672 } } }, "22-5": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 17.39820098876953, "min": 16.035079956054688, "max": 35.92649841308594 }, "native": { "median": 6.226539611816406, "min": 6.148658752441406, "max": 6.358467102050781 }, "prior-stock": { "median": 16.587257385253906, "min": 15.84625244140625, "max": 18.206275939941406 }, "previous": { "median": 49.92803192138672, "min": 45.32591247558594, "max": 59.36082458496094 } } }, "22-6": { "type": "TINYINT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 4.9692840576171875, "min": 4.7893524169921875, "max": 23.82183074951172 }, "native": { "median": 1.468658447265625, "min": 1.4556198120117188, "max": 1.5748367309570312 }, "prior-stock": { "median": 10.375022888183594, "min": 10.226249694824219, "max": 12.203536987304688 }, "previous": { "median": 67.49597930908203, "min": 55.82682800292969, "max": 75.50938415527344 } } }, "22-7": { "type": "TINYINT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.1728744506835938, "min": 3.14935302734375, "max": 3.190673828125 }, "native": { "median": 1.0646209716796875, "min": 1.05731201171875, "max": 1.1049957275390625 }, "prior-stock": { "median": 3.496490478515625, "min": 3.34613037109375, "max": 3.6633834838867188 }, "previous": { "median": 44.28704833984375, "min": 40.15477752685547, "max": 54.13532257080078 } } }, "22-8": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 17.0167236328125, "min": 16.89910888671875, "max": 34.6053466796875 }, "native": { "median": 7.2647705078125, "min": 7.1353912353515625, "max": 7.3184967041015625 }, "prior-stock": { "median": 17.54474639892578, "min": 16.595840454101562, "max": 26.525497436523438 }, "previous": { "median": 47.480262756347656, "min": 43.405845642089844, "max": 52.647911071777344 } } }, "22-9": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 18.399559020996094, "min": 18.044471740722656, "max": 32.19921875 }, "native": { "median": 6.354331970214844, "min": 6.2885284423828125, "max": 6.4716339111328125 }, "prior-stock": { "median": 18.87957763671875, "min": 16.65624237060547, "max": 29.441513061523438 }, "previous": { "median": 50.377525329589844, "min": 43.66810607910156, "max": 58.41255187988281 } } }, "22-10": { "type": "SMALLINT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 5.679130554199219, "min": 5.664825439453125, "max": 5.755424499511719 }, "native": { "median": 1.7429962158203125, "min": 1.7019882202148438, "max": 1.9502639770507812 }, "prior-stock": { "median": 5.677543640136719, "min": 5.0509796142578125, "max": 6.7021026611328125 }, "previous": { "median": 53.65403747558594, "min": 45.92005920410156, "max": 63.086509704589844 } } }, "22-11": { "type": "SMALLINT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 4.452705383300781, "min": 4.267059326171875, "max": 27.82312774658203 }, "native": { "median": 1.2667999267578125, "min": 1.2493133544921875, "max": 1.403167724609375 }, "prior-stock": { "median": 4.7871246337890625, "min": 4.386260986328125, "max": 5.7551116943359375 }, "previous": { "median": 51.896095275878906, "min": 41.97248077392578, "max": 62.0743408203125 } } }, "22-12": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 16.23090362548828, "min": 15.987716674804688, "max": 35.20011901855469 }, "native": { "median": 6.998382568359375, "min": 6.8400726318359375, "max": 7.1865692138671875 }, "prior-stock": { "median": 19.33257293701172, "min": 15.332542419433594, "max": 28.077125549316406 }, "previous": { "median": 54.30126190185547, "min": 49.09864807128906, "max": 72.662353515625 } } }, "22-13": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 18.367767333984375, "min": 18.13475799560547, "max": 36.606788635253906 }, "native": { "median": 6.359100341796875, "min": 6.23321533203125, "max": 6.719268798828125 }, "prior-stock": { "median": 20.12157440185547, "min": 17.51264190673828, "max": 33.989593505859375 }, "previous": { "median": 46.44902801513672, "min": 44.64689636230469, "max": 67.86695861816406 } } }, "22-14": { "type": "SMALLINT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 5.7528839111328125, "min": 5.643531799316406, "max": 5.780220031738281 }, "native": { "median": 1.5589370727539062, "min": 1.54718017578125, "max": 1.5742034912109375 }, "prior-stock": { "median": 5.645118713378906, "min": 5.068145751953125, "max": 6.721183776855469 }, "previous": { "median": 50.530120849609375, "min": 44.15416717529297, "max": 65.6890869140625 } } }, "22-15": { "type": "SMALLINT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 4.32427978515625, "min": 4.064239501953125, "max": 28.202056884765625 }, "native": { "median": 1.0722427368164062, "min": 1.0391845703125, "max": 1.30145263671875 }, "prior-stock": { "median": 4.513420104980469, "min": 4.0394439697265625, "max": 6.17376708984375 }, "previous": { "median": 51.45454406738281, "min": 42.120933532714844, "max": 65.31047821044922 } } }, "22-16": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 16.489341735839844, "min": 15.12750244140625, "max": 30.598953247070312 }, "native": { "median": 7.007598876953125, "min": 6.462730407714844, "max": 7.95904541015625 }, "prior-stock": { "median": 18.697418212890625, "min": 17.210647583007812, "max": 28.40709686279297 }, "previous": { "median": 53.507171630859375, "min": 47.65669250488281, "max": 70.64024353027344 } } }, "22-17": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 18.303558349609375, "min": 17.994247436523438, "max": 32.36865997314453 }, "native": { "median": 6.319366455078125, "min": 6.01513671875, "max": 6.4891204833984375 }, "prior-stock": { "median": 21.272018432617188, "min": 18.907546997070312, "max": 22.419296264648438 }, "previous": { "median": 54.764747619628906, "min": 48.450469970703125, "max": 57.84638977050781 } } }, "22-18": { "type": "INT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 6.0596466064453125, "min": 5.975090026855469, "max": 6.927490234375 }, "native": { "median": 1.665435791015625, "min": 1.6336441040039062, "max": 3.9110183715820312 }, "prior-stock": { "median": 8.318267822265625, "min": 6.954193115234375, "max": 16.678810119628906 }, "previous": { "median": 52.257537841796875, "min": 45.481361389160156, "max": 58.19352722167969 } } }, "22-19": { "type": "INT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 4.419960021972656, "min": 4.176780700683594, "max": 24.210609436035156 }, "native": { "median": 1.2617111206054688, "min": 1.2238845825195312, "max": 1.4956741333007812 }, "prior-stock": { "median": 4.710517883300781, "min": 4.6161041259765625, "max": 5.786262512207031 }, "previous": { "median": 44.12206268310547, "min": 42.697593688964844, "max": 54.317161560058594 } } }, "22-20": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 15.724815368652344, "min": 14.67132568359375, "max": 34.323692321777344 }, "native": { "median": 6.79779052734375, "min": 6.5479278564453125, "max": 6.9424285888671875 }, "prior-stock": { "median": 16.3726806640625, "min": 15.727043151855469, "max": 20.091697692871094 }, "previous": { "median": 48.801734924316406, "min": 44.71461486816406, "max": 58.50347137451172 } } }, "22-21": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 17.51264190673828, "min": 16.556427001953125, "max": 35.43376922607422 }, "native": { "median": 6.038978576660156, "min": 5.81964111328125, "max": 6.228446960449219 }, "prior-stock": { "median": 18.626846313476562, "min": 18.247291564941406, "max": 29.87989044189453 }, "previous": { "median": 52.435874938964844, "min": 43.745361328125, "max": 60.951866149902344 } } }, "22-22": { "type": "INT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 5.906745910644531, "min": 5.816139221191406, "max": 6.337165832519531 }, "native": { "median": 1.4314651489257812, "min": 1.3971328735351562, "max": 1.7846450805664062 }, "prior-stock": { "median": 5.948387145996094, "min": 5.1463470458984375, "max": 7.695198059082031 }, "previous": { "median": 46.47541046142578, "min": 43.79145050048828, "max": 60.515724182128906 } } }, "22-23": { "type": "INT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 4.471778869628906, "min": 4.131004333496094, "max": 5.074180603027344 }, "native": { "median": 1.0665206909179688, "min": 1.0598526000976562, "max": 1.123748779296875 }, "prior-stock": { "median": 10.937690734863281, "min": 9.627029418945312, "max": 11.7034912109375 }, "previous": { "median": 65.91478729248047, "min": 60.645103454589844, "max": 72.57843017578125 } } }, "22-24": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 15.797935485839844, "min": 15.581130981445312, "max": 36.66337585449219 }, "native": { "median": 56.99443817138672, "min": 53.45280456542969, "max": 59.308692932128906 }, "prior-stock": { "median": 15.523590087890625, "min": 14.962196350097656, "max": 17.703689575195312 }, "previous": { "median": 935.0960998535156, "min": 922.0552444458008, "max": 946.8921051025391 } } }, "22-25": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 15.027999877929688, "min": 14.571510314941406, "max": 37.04801940917969 }, "native": { "median": 54.6112060546875, "min": 51.419891357421875, "max": 56.05792999267578 }, "prior-stock": { "median": 15.172317504882812, "min": 14.812789916992188, "max": 16.309097290039062 }, "previous": { "median": 920.1021194458008, "min": 901.4987945556641, "max": 937.9768371582031 } } }, "22-26": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 14.956153869628906, "min": 14.857292175292969, "max": 29.542922973632812 }, "native": { "median": 54.68431854248047, "min": 53.966522216796875, "max": 54.95579528808594 }, "prior-stock": { "median": 15.312515258789062, "min": 14.661468505859375, "max": 15.605293273925781 }, "previous": { "median": 939.0188903808594, "min": 901.5480651855469, "max": 954.5885696411133 } } }, "22-27": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 15.137992858886719, "min": 14.584541320800781, "max": 29.324844360351562 }, "native": { "median": 55.326148986816406, "min": 53.12633514404297, "max": 56.841217041015625 }, "prior-stock": { "median": 15.248298645019531, "min": 14.949798583984375, "max": 16.25823974609375 }, "previous": { "median": 893.8452377319336, "min": 884.204231262207, "max": 929.4846878051758 } } }, "22-28": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 14.896072387695312, "min": 14.303207397460938, "max": 17.093017578125 }, "native": { "median": 56.406341552734375, "min": 55.22600555419922, "max": 60.036338806152344 }, "prior-stock": { "median": 14.83758544921875, "min": 14.643989562988281, "max": 18.570579528808594 }, "previous": { "median": 883.6008682250977, "min": 870.9634094238281, "max": 894.1624908447266 } } }, "22-29": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 14.4332275390625, "min": 14.336265563964844, "max": 28.723716735839844 }, "native": { "median": 53.022064208984375, "min": 51.508270263671875, "max": 53.52369689941406 }, "prior-stock": { "median": 15.713371276855469, "min": 14.851570129394531, "max": 16.73571014404297 }, "previous": { "median": 910.0497512817383, "min": 894.1265716552734, "max": 973.2780456542969 } } }, "118-0": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 15.922866821289062, "min": 15.856430053710938, "max": 30.684471130371094 }, "native": { "median": 7.069267272949219, "min": 6.911277770996094, "max": 7.397972106933594 }, "prior-stock": { "median": 16.526222229003906, "min": 15.446975708007812, "max": 19.28234100341797 }, "previous": { "median": 51.52543640136719, "min": 45.10307312011719, "max": 61.884246826171875 } } }, "118-1": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 16.90673828125, "min": 16.605064392089844, "max": 32.396636962890625 }, "native": { "median": 6.409645080566406, "min": 6.292976379394531, "max": 6.524085998535156 }, "prior-stock": { "median": 17.907142639160156, "min": 16.72649383544922, "max": 28.60895538330078 }, "previous": { "median": 47.15411376953125, "min": 44.562339782714844, "max": 56.472145080566406 } } }, "118-2": { "type": "TINYINT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 2.8680191040039062, "min": 2.7939453125, "max": 3.0654296875 }, "native": { "median": 1.7054901123046875, "min": 1.6101226806640625, "max": 1.8351898193359375 }, "prior-stock": { "median": 3.5953521728515625, "min": 3.4824981689453125, "max": 4.0740966796875 }, "previous": { "median": 46.50275421142578, "min": 37.5960693359375, "max": 55.264793395996094 } } }, "118-3": { "type": "TINYINT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.1976699829101562, "min": 3.1557083129882812, "max": 3.2933502197265625 }, "native": { "median": 1.2788772583007812, "min": 1.2464523315429688, "max": 1.3507232666015625 }, "prior-stock": { "median": 3.63922119140625, "min": 3.3960342407226562, "max": 3.8248748779296875 }, "previous": { "median": 37.33539581298828, "min": 35.02941131591797, "max": 47.60296630859375 } } }, "118-4": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 15.577003479003906, "min": 15.416778564453125, "max": 34.461341857910156 }, "native": { "median": 6.9201812744140625, "min": 6.849609375, "max": 7.0536956787109375 }, "prior-stock": { "median": 16.602516174316406, "min": 15.802383422851562, "max": 26.91364288330078 }, "previous": { "median": 42.49445343017578, "min": 41.333839416503906, "max": 48.750877380371094 } } }, "118-5": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 17.486572265625, "min": 17.352737426757812, "max": 35.92109680175781 }, "native": { "median": 6.27899169921875, "min": 6.1518402099609375, "max": 6.3594207763671875 }, "prior-stock": { "median": 17.127670288085938, "min": 16.566917419433594, "max": 18.356956481933594 }, "previous": { "median": 44.48286437988281, "min": 39.58161926269531, "max": 50.3082275390625 } } }, "118-6": { "type": "TINYINT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 2.96466064453125, "min": 2.8498992919921875, "max": 3.5203323364257812 }, "native": { "median": 1.4680252075195312, "min": 1.459442138671875, "max": 1.520477294921875 }, "prior-stock": { "median": 3.4666061401367188, "min": 3.2911300659179688, "max": 3.8442611694335938 }, "previous": { "median": 40.474571228027344, "min": 36.2396240234375, "max": 52.22129821777344 } } }, "118-7": { "type": "TINYINT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.1833648681640625, "min": 3.1763763427734375, "max": 3.2866744995117188 }, "native": { "median": 1.0747909545898438, "min": 1.0687484741210938, "max": 1.0875091552734375 }, "prior-stock": { "median": 3.7279129028320312, "min": 3.3938140869140625, "max": 3.8347244262695312 }, "previous": { "median": 40.930747985839844, "min": 40.04541778564453, "max": 55.01396942138672 } } }, "118-8": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 15.672996520996094, "min": 15.459060668945312, "max": 32.967567443847656 }, "native": { "median": 7.088661193847656, "min": 7.0683135986328125, "max": 7.231712341308594 }, "prior-stock": { "median": 17.88934326171875, "min": 17.09906005859375, "max": 28.008140563964844 }, "previous": { "median": 43.472923278808594, "min": 42.23314666748047, "max": 51.239013671875 } } }, "118-9": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 16.69025421142578, "min": 16.387939453125, "max": 17.014503479003906 }, "native": { "median": 6.367362976074219, "min": 6.298065185546875, "max": 6.475761413574219 }, "prior-stock": { "median": 18.349327087402344, "min": 17.152145385742188, "max": 21.240234375 }, "previous": { "median": 42.511940002441406, "min": 40.36680603027344, "max": 52.36848449707031 } } }, "118-10": { "type": "SMALLINT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 3.0628814697265625, "min": 2.9916763305664062, "max": 3.101348876953125 }, "native": { "median": 1.6431808471679688, "min": 1.632049560546875, "max": 1.7655715942382812 }, "prior-stock": { "median": 3.7390365600585938, "min": 3.5654678344726562, "max": 4.2956695556640625 }, "previous": { "median": 54.74059295654297, "min": 44.62400817871094, "max": 65.5539779663086 } } }, "118-11": { "type": "SMALLINT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.265380859375, "min": 3.2215118408203125, "max": 3.4573898315429688 }, "native": { "median": 1.2423171997070312, "min": 1.2276992797851562, "max": 1.39776611328125 }, "prior-stock": { "median": 3.5384521484375, "min": 3.4074783325195312, "max": 4.058837890625 }, "previous": { "median": 49.42639923095703, "min": 46.573326110839844, "max": 60.959815979003906 } } }, "118-12": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 17.374679565429688, "min": 16.186080932617188, "max": 33.251441955566406 }, "native": { "median": 6.9675445556640625, "min": 6.936073303222656, "max": 7.0912017822265625 }, "prior-stock": { "median": 17.11273193359375, "min": 16.474082946777344, "max": 26.847206115722656 }, "previous": { "median": 50.80223083496094, "min": 44.45362091064453, "max": 60.49220275878906 } } }, "118-13": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 16.483306884765625, "min": 15.581130981445312, "max": 35.286903381347656 }, "native": { "median": 6.485618591308594, "min": 6.122589111328125, "max": 6.855644226074219 }, "prior-stock": { "median": 18.18975067138672, "min": 17.457008361816406, "max": 19.0140380859375 }, "previous": { "median": 46.47191619873047, "min": 43.163299560546875, "max": 59.55823516845703 } } }, "118-14": { "type": "SMALLINT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 3.1042098999023438, "min": 2.9786453247070312, "max": 3.204345703125 }, "native": { "median": 1.5935897827148438, "min": 1.509033203125, "max": 1.678466796875 }, "prior-stock": { "median": 3.6751480102539062, "min": 3.4732818603515625, "max": 5.1501617431640625 }, "previous": { "median": 55.17387390136719, "min": 48.187255859375, "max": 64.38350677490234 } } }, "118-15": { "type": "SMALLINT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.2644271850585938, "min": 3.2456741333007812, "max": 3.2790451049804688 }, "native": { "median": 1.0725631713867188, "min": 1.0633468627929688, "max": 1.0827407836914062 }, "prior-stock": { "median": 3.5451278686523438, "min": 3.2488479614257812, "max": 3.6481246948242188 }, "previous": { "median": 47.437347412109375, "min": 42.263031005859375, "max": 58.38775634765625 } } }, "118-16": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 16.132675170898438, "min": 15.886306762695312, "max": 32.22370147705078 }, "native": { "median": 7.229164123535156, "min": 7.0927886962890625, "max": 7.489837646484375 }, "prior-stock": { "median": 18.169715881347656, "min": 17.62104034423828, "max": 27.492202758789062 }, "previous": { "median": 49.66259002685547, "min": 45.017242431640625, "max": 58.45832824707031 } } }, "118-17": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 17.72022247314453, "min": 17.191574096679688, "max": 37.20600891113281 }, "native": { "median": 6.581939697265625, "min": 6.460502624511719, "max": 6.937339782714844 }, "prior-stock": { "median": 18.465675354003906, "min": 18.056549072265625, "max": 19.248641967773438 }, "previous": { "median": 51.874481201171875, "min": 48.33252716064453, "max": 69.1537857055664 } } }, "118-18": { "type": "INT", "unit": 0, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 3.2809524536132812, "min": 3.0619277954101562, "max": 3.633819580078125 }, "native": { "median": 1.75634765625, "min": 1.6301422119140625, "max": 1.8374099731445312 }, "prior-stock": { "median": 3.52923583984375, "min": 3.481231689453125, "max": 4.350349426269531 }, "previous": { "median": 54.322242736816406, "min": 50.79332733154297, "max": 64.66515350341797 } } }, "118-19": { "type": "INT", "unit": 0, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.2596588134765625, "min": 3.2494888305664062, "max": 3.3893585205078125 }, "native": { "median": 1.2563095092773438, "min": 1.2454986572265625, "max": 1.3818740844726562 }, "prior-stock": { "median": 3.44085693359375, "min": 2.889312744140625, "max": 3.99334716796875 }, "previous": { "median": 45.20542907714844, "min": 40.143646240234375, "max": 64.34249877929688 } } }, "118-20": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 16.125991821289062, "min": 15.556022644042969, "max": 33.51274871826172 }, "native": { "median": 6.995201110839844, "min": 6.835304260253906, "max": 7.420860290527344 }, "prior-stock": { "median": 19.194602966308594, "min": 16.319908142089844, "max": 30.979156494140625 }, "previous": { "median": 53.17211151123047, "min": 49.51349639892578, "max": 56.26392364501953 } } }, "118-21": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 16.60633087158203, "min": 16.407012939453125, "max": 32.549224853515625 }, "native": { "median": 6.175994873046875, "min": 6.093666076660156, "max": 6.2713623046875 }, "prior-stock": { "median": 17.842605590820312, "min": 16.990028381347656, "max": 18.381118774414062 }, "previous": { "median": 49.58598327636719, "min": 43.818153381347656, "max": 59.822723388671875 } } }, "118-22": { "type": "INT", "unit": 3, "consumer": "NULL", "nullable": true, "batch": 1024, "engines": { "flink": { "median": 2.9916763305664062, "min": 2.947174072265625, "max": 3.118194580078125 }, "native": { "median": 1.45880126953125, "min": 1.4527664184570312, "max": 1.56402587890625 }, "prior-stock": { "median": 3.5403594970703125, "min": 3.2819137573242188, "max": 4.8198699951171875 }, "previous": { "median": 53.00426483154297, "min": 48.653602600097656, "max": 64.57264709472656 } } }, "118-23": { "type": "INT", "unit": 3, "consumer": "NULL", "nullable": false, "batch": 1024, "engines": { "flink": { "median": 3.3899917602539062, "min": 3.3521652221679688, "max": 3.4907608032226562 }, "native": { "median": 1.1072158813476562, "min": 1.0906829833984375, "max": 1.172698974609375 }, "prior-stock": { "median": 3.543853759765625, "min": 3.3416748046875, "max": 3.6691055297851562 }, "previous": { "median": 47.04634094238281, "min": 40.4205322265625, "max": 65.61946868896484 } } }, "118-24": { "type": "TINYINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 13.887725830078125, "min": 13.653121948242188, "max": 28.981521606445312 }, "native": { "median": 56.51251220703125, "min": 55.918373107910156, "max": 56.91082763671875 }, "prior-stock": { "median": 14.18304443359375, "min": 13.982139587402344, "max": 14.630950927734375 }, "previous": { "median": 923.5925674438477, "min": 912.0537414550781, "max": 952.6344985961914 } } }, "118-25": { "type": "TINYINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 13.878181457519531, "min": 13.576828002929688, "max": 29.0985107421875 }, "native": { "median": 52.90254211425781, "min": 52.48133087158203, "max": 55.176414489746094 }, "prior-stock": { "median": 14.41351318359375, "min": 13.426780700683594, "max": 14.8909912109375 }, "previous": { "median": 909.0356826782227, "min": 889.6023406982422, "max": 932.4585571289062 } } }, "118-26": { "type": "SMALLINT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 14.709793090820312, "min": 13.760566711425781, "max": 33.864341735839844 }, "native": { "median": 56.635223388671875, "min": 56.04679870605469, "max": 58.539703369140625 }, "prior-stock": { "median": 14.450393676757812, "min": 14.124549865722656, "max": 16.564369201660156 }, "previous": { "median": 904.5076370239258, "min": 884.1028213500977, "max": 920.1854095458984 } } }, "118-27": { "type": "SMALLINT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 13.69921875, "min": 13.46142578125, "max": 31.615577697753906 }, "native": { "median": 53.153350830078125, "min": 52.76997375488281, "max": 54.20843505859375 }, "prior-stock": { "median": 16.758277893066406, "min": 16.56341552734375, "max": 16.92993927001953 }, "previous": { "median": 915.762580871582, "min": 902.595832824707, "max": 927.7674331665039 } } }, "118-28": { "type": "INT", "unit": 0, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 13.833358764648438, "min": 13.745628356933594, "max": 32.22783660888672 }, "native": { "median": 55.04131317138672, "min": 54.55303192138672, "max": 55.840492248535156 }, "prior-stock": { "median": 14.599479675292969, "min": 14.129638671875, "max": 16.562782287597656 }, "previous": { "median": 915.8900604248047, "min": 887.4082565307617, "max": 948.2339172363281 } } }, "118-29": { "type": "INT", "unit": 3, "consumer": "YEAR", "nullable": true, "batch": 16, "engines": { "flink": { "median": 14.211967468261719, "min": 14.111518859863281, "max": 31.95349884033203 }, "native": { "median": 55.06929016113281, "min": 53.908348083496094, "max": 55.79185485839844 }, "prior-stock": { "median": 14.138862609863281, "min": 13.659477233886719, "max": 14.679908752441406 }, "previous": { "median": 915.060676574707, "min": 886.2473220825195, "max": 924.9442443847656 } } } }, "pipeline": { "22-YEAR(TO_TIMESTAMP_LTZ(v,0))-False": { "trials": { "stock": [ 0.171783459, 0.17975225, 0.168180875, 0.164466167, 0.1684055 ], "native": [ 0.198078375, 0.174265292, 0.172268625, 0.170062875, 0.174534542 ] }, "medians": { "stock": 0.1684055, "native": 0.174265292 } }, "22-YEAR(TO_TIMESTAMP_LTZ(v,0))-True": { "trials": { "stock": [ 0.184802041, 0.182518791, 0.178627208, 0.170596583, 0.183447292 ], "previous": [ 0.233533792, 0.217596375, 0.225664917, 0.211000042, 0.212846458 ] }, "medians": { "stock": 0.182518791, "previous": 0.217596375 } }, "22-YEAR(TO_TIMESTAMP_LTZ(v,3))-False": { "trials": { "stock": [ 0.164709417, 0.169547209, 0.169663709, 0.18756575, 0.176878667 ], "native": [ 0.177153667, 0.175952792, 0.17767225, 0.17402675, 0.173734459 ] }, "medians": { "stock": 0.169663709, "native": 0.175952792 } }, "22-YEAR(TO_TIMESTAMP_LTZ(v,3))-True": { "trials": { "stock": [ 0.170854041, 0.171438167, 0.164884917, 0.175601583, 0.17358225 ], "previous": [ 0.236627833, 0.21506475, 0.206465875, 0.206673959, 0.200792917 ] }, "medians": { "stock": 0.171438167, "previous": 0.206673959 } }, "22-TO_TIMESTAMP_LTZ(v,0) IS NULL-False": { "trials": { "stock": [ 0.180298875, 0.213251666, 0.187067292, 0.173408125, 0.179456625 ], "native": [ 0.195894583, 0.193835791, 0.192962667, 0.189178208, 0.188787792 ] }, "medians": { "stock": 0.180298875, "native": 0.192962667 } }, "22-TO_TIMESTAMP_LTZ(v,0) IS NULL-True": { "trials": { "stock": [ 0.168283209, 0.196061167, 0.172903083, 0.1774445, 0.18736575 ], "previous": [ 0.227372416, 0.218229334, 0.229066834, 0.217048917, 0.21136725 ] }, "medians": { "stock": 0.1774445, "previous": 0.218229334 } }, "22-TO_TIMESTAMP_LTZ(v,3) IS NULL-False": { "trials": { "stock": [ 0.19145725, 0.184774, 0.182527417, 0.184812916, 0.183834541 ], "native": [ 0.197029667, 0.198843084, 0.192495125, 0.194633541, 0.20028375 ] }, "medians": { "stock": 0.184774, "native": 0.197029667 } }, "22-TO_TIMESTAMP_LTZ(v,3) IS NULL-True": { "trials": { "stock": [ 0.180061667, 0.178798292, 0.184742292, 0.184989959, 0.183019959 ], "previous": [ 0.248859875, 0.224050833, 0.227415958, 0.227515708, 0.222498834 ] }, "medians": { "stock": 0.183019959, "previous": 0.227415958 } }, "118-YEAR(TO_TIMESTAMP_LTZ(v,0))-False": { "trials": { "stock": [ 0.171450875, 0.181422042, 0.168272625, 0.169060417, 0.162965209 ], "native": [ 0.187251458, 0.178267458, 0.18275375, 0.17855925, 0.174720084 ] }, "medians": { "stock": 0.169060417, "native": 0.17855925 } }, "118-YEAR(TO_TIMESTAMP_LTZ(v,0))-True": { "trials": { "stock": [ 0.177994625, 0.166804083, 0.168936625, 0.184261458, 0.178443833 ], "previous": [ 0.212506291, 0.206347333, 0.203498417, 0.204988792, 0.203248167 ] }, "medians": { "stock": 0.177994625, "previous": 0.204988792 } }, "118-YEAR(TO_TIMESTAMP_LTZ(v,3))-False": { "trials": { "stock": [ 0.172732833, 0.170190417, 0.17576025, 0.172743917, 0.16965225 ], "native": [ 0.193957791, 0.193693625, 0.180505416, 0.175106084, 0.177200666 ] }, "medians": { "stock": 0.172732833, "native": 0.180505416 } }, "118-YEAR(TO_TIMESTAMP_LTZ(v,3))-True": { "trials": { "stock": [ 0.180187666, 0.163375667, 0.169698791, 0.166562084, 0.166589125 ], "previous": [ 0.214881791, 0.212251625, 0.200137333, 0.199599958, 0.205832167 ] }, "medians": { "stock": 0.166589125, "previous": 0.205832167 } }, "118-TO_TIMESTAMP_LTZ(v,0) IS NULL-False": { "trials": { "stock": [ 0.17269975, 0.163215792, 0.174195417, 0.16864875, 0.166723041 ], "native": [ 0.191525667, 0.190953042, 0.193512959, 0.179933166, 0.176971 ] }, "medians": { "stock": 0.16864875, "native": 0.190953042 } }, "118-TO_TIMESTAMP_LTZ(v,0) IS NULL-True": { "trials": { "stock": [ 0.168606708, 0.168469208, 0.173706333, 0.168473791, 0.165508667 ], "previous": [ 0.219061292, 0.219374, 0.210335959, 0.215130792, 0.21686425 ] }, "medians": { "stock": 0.168473791, "previous": 0.21686425 } }, "118-TO_TIMESTAMP_LTZ(v,3) IS NULL-False": { "trials": { "stock": [ 0.174574917, 0.173584708, 0.168926041, 0.180317625, 0.169646958 ], "native": [ 0.198696875, 0.194220791, 0.187092292, 0.196009375, 0.193888458 ] }, "medians": { "stock": 0.173584708, "native": 0.194220791 } }, "118-TO_TIMESTAMP_LTZ(v,3) IS NULL-True": { "trials": { "stock": [ 0.173924333, 0.171106709, 0.179376167, 0.164017667, 0.1752735 ], "previous": [ 0.26104475, 0.225382334, 0.223085583, 0.214785625, 0.211157583 ] }, "medians": { "stock": 0.173924333, "previous": 0.223085583 } } }, "validation": { "22-11": { "exit": 0, "result": [ "RESULT found=11 succeeded=11 aborted=0 skipped=0 failed=0" ] }, "22-17": { "exit": 0, "result": [ "RESULT found=11 succeeded=11 aborted=0 skipped=0 failed=0" ] }, "118-11": { "exit": 0, "result": [ "RESULT found=11 succeeded=11 aborted=0 skipped=0 failed=0" ] }, "118-17": { "exit": 0, "result": [ "RESULT found=11 succeeded=11 aborted=0 skipped=0 failed=0" ] } }, "before_validation": "Current-main 2.2/JDK17: six narrow-integer route assertions fail with jvm=[TO_TIMESTAMP_LTZ], while values/schema comparisons pass; BIGINT and computed controls pass.", "rust_tests": "892 passing core tests from the same unchanged production Rust implementation; only benchmark example metadata changes in this feature.", "source_sha256": { "src/main/java/tech/streamfusion/planner/RexExpression.java": "ae21d97e203d93ff901ff4cd2945bf3d5f49d3e5de08ba1100c801e3ab333279", "src/test/java/tech/streamfusion/FlinkIntegralEpochSqlHarnessTest.java": "766bfad4c798320a08474f2bf1779b65bb482ff0885af0bbc599313665920b09", "src/test/java/tech/streamfusion/planner/IntegralExpressionBenchmarkFunctions.java": "57c89e6e6f9aa34b4b9263d27a2e7e9b3ac28743405d5a1cf7ce9ddad2841a75", "native/engine/examples/integral_expression.rs": "c6b693ec723ab2d4bf38d5f3ff1f96ea3e66ab6f4d7963b8c680669736cc6eaf" }, "native_sha256": "70139e93d73d665bda004faa875b30acf957de672259e1ab3f88ed614ae59afa", "executable_sha256": "a85d70153a8418947ae178d0cf532ee823046846900a94b134ee83181f761f9b", "limitations": [ "All twelve 16-row cells lose to stock.", "All eight complete candidate jobs lose to stock (native/stock elapsed 1.035-1.132), while improving on prior generated execution (native/prior elapsed 0.801-0.884).", "Prepared measurements include YEAR or IS NULL consumers; they are not measurements of timestamp output serialization.", "Computed input and non-integer signatures remain generated; no broad completion of issue #503 is claimed." ], "upstream_stock_oracle": { "testToTimestampLtzShanghai-22-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzUTC-22-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testBoundaryForToTimestampLtz-22-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testInvalidToTimestampLtz-22-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzShanghai-22-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzUTC-22-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testBoundaryForToTimestampLtz-22-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testInvalidToTimestampLtz-22-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzShanghai-118-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzUTC-118-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testBoundaryForToTimestampLtz-118-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testInvalidToTimestampLtz-118-11": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzShanghai-118-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testToTimestampLtzUTC-118-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testBoundaryForToTimestampLtz-118-17": { "exit": 0, "result": [ "1 tests successful" ] }, "testInvalidToTimestampLtz-118-17": { "exit": 0, "result": [ "1 tests successful" ] } }, "retained_fixture_smokes": [ { "line": "22", "type": "INT", "expression": "ABS(v+CAST(1 AS INT))", "exit": 0 }, { "line": "22", "type": "BIGINT", "expression": "ABS(v+CAST(1 AS BIGINT))", "exit": 0 }, { "line": "22", "type": "INT", "expression": "ABS(v) IS NULL", "exit": 0 }, { "line": "22", "type": "INT", "expression": "CAST(v AS STRING)", "exit": 0 }, { "line": "22", "type": "BIGINT", "expression": "YEAR(TO_TIMESTAMP_LTZ(v,3))", "exit": 0 }, { "line": "118", "type": "INT", "expression": "ABS(v+CAST(1 AS INT))", "exit": 0 }, { "line": "118", "type": "BIGINT", "expression": "ABS(v+CAST(1 AS BIGINT))", "exit": 0 }, { "line": "118", "type": "INT", "expression": "ABS(v) IS NULL", "exit": 0 }, { "line": "118", "type": "INT", "expression": "CAST(v AS STRING)", "exit": 0 }, { "line": "118", "type": "BIGINT", "expression": "YEAR(TO_TIMESTAMP_LTZ(v,3))", "exit": 0 } ] }