{ "status": "Validated scalar SINGLE_VALUE split acceleration. Original type-only, timestamp/prebound-column and local-only losses remain retained. The 540-job matrix has one initial 500k INT stock loss; longer 500k and 2M repeats with the identical candidate library beat stock and actual preceding StreamFusion with separated native/stock ranges. This does not establish a universal speedup.", "method": { "flink": "2.2.1", "jdk": "17", "native": "release + mimalloc", "source_hashes": { "native/engine/src/group_agg.rs": "6af041ab2dfe3c1f50c9d09b98aa54be06da4274952642add2a63e451f9d7fc0", "native/engine/src/group_agg/ordered_value.rs": "29745abcdc77cb3f4ebb7534c36c208f54dcc129eebcb6a2d077258b62a27c75", "native/engine/src/group_agg/local_single.rs": "edf8222e5be6524152524d80ab6c51b6e8824476a049c0cedf9f60b9f593ad37", "native/engine/src/group_agg/single_append.rs": "6588d50221bc411c1308790fc8a75cd48cea04df485fcc054f4dc11a690643aa", "native/engine/src/bench.rs": "c98330f9ff9ee284d88b87aec41dc6b1484396f46d34885fc7d2587df89cccba", "native/engine/benches/local_single_values.rs": "5d8752265bb8bba1801eeed989898bd847741dcf80a14da247956f6c4d494ebc", "src/main/java/tech/streamfusion/planner/GroupAggregateMatcher.java": "a1b088bdc35c00048a41ddba7f940facf813db9c12f7a35e832b34c548ba23d0", "src/main/java/tech/streamfusion/planner/LocalGroupAggregateMatcher.java": "b4e396069d3f836bff73d6a94a5ee990160efefe667e0ab37b0762cb11d2a598", "src/main/java/tech/streamfusion/planner/GlobalGroupAggregateMatcher.java": "03f305d4955b7ea324eb369ed94493aef4a9467a69ccf14a912a896ffe723c91", "src/test/java/tech/streamfusion/GroupedValueBenchmark.java": "cece1de4a9f053dd23569cac8af018700e9350ed94a10de417ef513f225fa3dc", "current_dso": "7ed8fd0b1035fb7d2036404c5bf6acc75f8d084daabcd3b81173d9ec659defd0", "frozen_dso": "7ed8fd0b1035fb7d2036404c5bf6acc75f8d084daabcd3b81173d9ec659defd0", "prior_dso": "803e0f0cbc25b351dbe3f0fe408d306dfd5f5ca2ff30f7c6edc2c4a40d8f4823" }, "preceding_commit": "a29e097ea5c1fb5976fe198408a9aa9f1cfd22bd", "parallelism": 1, "heap": "2GiB", "timezone": "America/New_York", "mini_batch_rows": 1024, "local_zero_copy": false, "warmup_pairs": 2, "measured_pairs": 3, "keys": "one unique INT key per row", "nulls": "one eighth of values", "source_and_sink": "runtime fromSequence/map row source and row blackhole; both Arrow transposes remain measured", "native_assertions": "Candidate plan and execution metrics require both aggregate stages; preceding falls back except existing STRING/FLOAT/DOUBLE support. Mixed adds AVG(k) and COUNT(DISTINCT k).", "allocation_note": "Allocation requests are distinct from copied bytes. Criterion setup and output teardown remain outside timed execution.", "preceding_format_followup": { "commit": "61e5bb80734d966723eb8f4156f86fcc8ca3a527", "dso_sha256": "803e0f0cbc25b351dbe3f0fe408d306dfd5f5ca2ff30f7c6edc2c4a40d8f4823", "build": "cargo build --release --features mimalloc -p streamfusion", "status": "Clean production source; benchmark fixture only modifies test code", "build_log_sha256": "b62526228db5bd294609b2237587c443e8e12d9c2aa1d54e978febcb969620a5", "proof": "Actual preceding production commit 61e5bb80 rebuilt to the exact same 803e native bytes as a29e. Java production sources are unchanged by this formatting-only commit. Earlier control measurements therefore execute identical production code." }, "rebuilt_candidate_dso_sha256": "7ed8fd0b1035fb7d2036404c5bf6acc75f8d084daabcd3b81173d9ec659defd0", "final_production_source_hashes": { "native/engine/src/group_agg.rs": "6af041ab2dfe3c1f50c9d09b98aa54be06da4274952642add2a63e451f9d7fc0", "native/engine/src/group_agg/ordered_value.rs": "29745abcdc77cb3f4ebb7534c36c208f54dcc129eebcb6a2d077258b62a27c75", "native/engine/src/group_agg/local_single.rs": "edf8222e5be6524152524d80ab6c51b6e8824476a049c0cedf9f60b9f593ad37", "native/engine/src/group_agg/single_append.rs": "6588d50221bc411c1308790fc8a75cd48cea04df485fcc054f4dc11a690643aa", "src/main/java/tech/streamfusion/planner/GroupAggregateMatcher.java": "a1b088bdc35c00048a41ddba7f940facf813db9c12f7a35e832b34c548ba23d0", "src/main/java/tech/streamfusion/planner/LocalGroupAggregateMatcher.java": "b4e396069d3f836bff73d6a94a5ee990160efefe667e0ab37b0762cb11d2a598", 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native_trials=[1.865907135, 1.390838038, 1.344165864]", "log_sha256": "975ea0209552b3d44d9ec593b5600e2cae6b15b2180f1886d9cfc4750c00abf6", "native_expected": true }, { "scenario": "larger", "phase": "current", "type": "DATE", "rows": 2000000, "mixed": false, "stock_median_seconds": 1.799409158, "streamfusion_median_seconds": 1.27354366, "stock_measured_seconds": [ 1.88925601, 1.799409158, 1.784110752 ], "streamfusion_measured_seconds": [ 1.401762325, 1.27354366, 1.269596005 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 1.746289, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=0 warmup=true seconds=1.746289" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.399902, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=0 warmup=true seconds=1.399902" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.506789, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=1 warmup=true seconds=1.506789" }, { "engine": 0, "trial": 1, 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1.269596, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=4 warmup=false seconds=1.269596" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=DATE two_phase=true rows=2000000 Flink=1.799409s Native=1.273544s ratio=1.413x flink_trials=[1.88925601, 1.799409158, 1.784110752] native_trials=[1.401762325, 1.27354366, 1.269596005]", "log_sha256": "975ea0209552b3d44d9ec593b5600e2cae6b15b2180f1886d9cfc4750c00abf6", "native_expected": true }, { "scenario": "larger", "phase": "current", "type": "TIME", "rows": 2000000, "mixed": false, "stock_median_seconds": 1.738673731, "streamfusion_median_seconds": 1.336953644, "stock_measured_seconds": [ 1.738673731, 1.696727001, 1.748676966 ], "streamfusion_measured_seconds": [ 1.336953644, 1.231863629, 1.347814573 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 1.712731, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=0 warmup=true seconds=1.712731" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.356796, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=0 warmup=true seconds=1.356796" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.152985, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=1 warmup=true seconds=1.152985" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 1.719805, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=1 warmup=true seconds=1.719805" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 1.738674, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=2 warmup=false seconds=1.738674" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.336954, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=2 warmup=false seconds=1.336954" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.231864, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=3 warmup=false seconds=1.231864" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.696727, 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1.765467598, 1.693183688, 1.763704992 ], "streamfusion_measured_seconds": [ 1.35598316, 1.295553044, 1.234589584 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 1.781087, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=0 warmup=true seconds=1.781087" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.305774, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=0 warmup=true seconds=1.305774" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.245678, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=1 warmup=true seconds=1.245678" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 1.627631, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=1 warmup=true seconds=1.627631" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 1.765468, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=2 warmup=false seconds=1.765468" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.355983, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=2 warmup=false seconds=1.355983" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.295553, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=3 warmup=false seconds=1.295553" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.693184, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=3 warmup=false seconds=1.693184" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 1.763705, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=4 warmup=false seconds=1.763705" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.23459, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=4 warmup=false seconds=1.234590" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=BOOLEAN two_phase=true rows=2000000 Flink=1.763705s Native=1.295553s ratio=1.361x flink_trials=[1.765467598, 1.693183688, 1.763704992] native_trials=[1.35598316, 1.295553044, 1.234589584]", "log_sha256": "975ea0209552b3d44d9ec593b5600e2cae6b15b2180f1886d9cfc4750c00abf6", "native_expected": true }, { "scenario": "larger", "phase": "current", "type": "DECIMAL_WIDE", "rows": 2000000, "mixed": false, "stock_median_seconds": 2.316030336, "streamfusion_median_seconds": 1.510292413, "stock_measured_seconds": [ 2.342383849, 2.062903995, 2.316030336 ], "streamfusion_measured_seconds": [ 1.422420872, 1.510292413, 1.566447788 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 2.241605, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=0 trial=0 warmup=true seconds=2.241605" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.646003, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=1 trial=0 warmup=true seconds=1.646003" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.515332, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=1 trial=1 warmup=true seconds=1.515332" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 2.099456, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=0 trial=1 warmup=true seconds=2.099456" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 2.342384, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=0 trial=2 warmup=false seconds=2.342384" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.422421, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=1 trial=2 warmup=false seconds=1.422421" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.510292, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=1 trial=3 warmup=false seconds=1.510292" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 2.062904, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=0 trial=3 warmup=false seconds=2.062904" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 2.31603, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=0 trial=4 warmup=false seconds=2.316030" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.566448, "raw_line": "[grouped-value-trial] type=DECIMAL_WIDE engine=1 trial=4 warmup=false seconds=1.566448" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=DECIMAL_WIDE two_phase=true rows=2000000 Flink=2.316030s Native=1.510292s ratio=1.533x flink_trials=[2.342383849, 2.062903995, 2.316030336] native_trials=[1.422420872, 1.510292413, 1.566447788]", "log_sha256": "975ea0209552b3d44d9ec593b5600e2cae6b15b2180f1886d9cfc4750c00abf6", "native_expected": true }, { "scenario": "larger", "phase": "current", "type": "TIMESTAMP", "rows": 2000000, "mixed": false, "stock_median_seconds": 2.094289577, "streamfusion_median_seconds": 1.486618276, "stock_measured_seconds": [ 2.124960863, 1.766740539, 2.094289577 ], "streamfusion_measured_seconds": [ 1.486618276, 1.426541564, 1.504613572 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 2.09775, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=0 warmup=true seconds=2.097750" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.789175, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=0 warmup=true seconds=1.789175" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.439284, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=1 warmup=true seconds=1.439284" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 1.821738, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=1 warmup=true seconds=1.821738" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 2.124961, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=2 warmup=false seconds=2.124961" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.486618, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=2 warmup=false seconds=1.486618" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.426542, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=3 warmup=false seconds=1.426542" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.766741, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=3 warmup=false seconds=1.766741" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 2.09429, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=4 warmup=false seconds=2.094290" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.504614, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=4 warmup=false seconds=1.504614" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=TIMESTAMP two_phase=true rows=2000000 Flink=2.094290s Native=1.486618s ratio=1.409x flink_trials=[2.124960863, 1.766740539, 2.094289577] native_trials=[1.486618276, 1.426541564, 1.504613572]", "log_sha256": "975ea0209552b3d44d9ec593b5600e2cae6b15b2180f1886d9cfc4750c00abf6", "native_expected": true }, { "scenario": "larger", "phase": "prior", "type": "BIGINT", "rows": 2000000, "mixed": false, "stock_median_seconds": 1.950656821, "streamfusion_median_seconds": 1.931785107, "stock_measured_seconds": [ 2.016165777, 1.866616217, 1.950656821 ], "streamfusion_measured_seconds": [ 1.972074812, 1.931785107, 1.836965453 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 2.833663, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=0 warmup=true seconds=2.833663" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 2.528262, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=0 warmup=true seconds=2.528262" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.882189, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=1 warmup=true seconds=1.882189" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 2.081628, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=1 warmup=true seconds=2.081628" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 2.016166, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=2 warmup=false seconds=2.016166" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.972075, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=2 warmup=false seconds=1.972075" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.931785, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=3 warmup=false seconds=1.931785" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.866616, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=3 warmup=false seconds=1.866616" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 1.950657, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=4 warmup=false seconds=1.950657" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.836965, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=4 warmup=false seconds=1.836965" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=BIGINT two_phase=true rows=2000000 Flink=1.950657s Native=1.931785s ratio=1.010x flink_trials=[2.016165777, 1.866616217, 1.950656821] native_trials=[1.972074812, 1.931785107, 1.836965453]", "log_sha256": "6c5c6bfc633d0dd77c2a30fc4f6a98b4731e154261dce67db4b1db6b5e507702", "native_expected": false }, { "scenario": "larger", "phase": "prior", "type": "DATE", "rows": 2000000, "mixed": false, "stock_median_seconds": 1.896034082, "streamfusion_median_seconds": 1.715717738, "stock_measured_seconds": [ 1.91246494, 1.813125284, 1.896034082 ], "streamfusion_measured_seconds": [ 1.715717738, 1.920209505, 1.705069262 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 1.870452, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=0 warmup=true seconds=1.870452" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.706102, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=0 warmup=true seconds=1.706102" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.965972, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=1 warmup=true seconds=1.965972" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 1.835075, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=1 warmup=true seconds=1.835075" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 1.912465, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=2 warmup=false seconds=1.912465" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.715718, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=2 warmup=false seconds=1.715718" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.92021, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=3 warmup=false seconds=1.920210" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.813125, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=3 warmup=false seconds=1.813125" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 1.896034, "raw_line": 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Flink=1.082351s Native=0.835391s ratio=1.296x flink_trials=[1.082350981, 1.020161029, 1.115713407] native_trials=[0.83539098, 0.719736149, 0.85738597]", "log_sha256": "914b3b62d1fc47efa3385b865245067d666fdbe6804c755af4f0e8b6644da239", "native_expected": true }, { "scenario": "mixed", "phase": "prior", "type": "BIGINT", "rows": 500000, "mixed": true, "stock_median_seconds": 1.236016538, "streamfusion_median_seconds": 1.173230358, "stock_measured_seconds": [ 1.236016538, 1.34639829, 1.194946966 ], "streamfusion_measured_seconds": [ 1.173230358, 1.184252338, 1.158915737 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 2.129989, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=0 warmup=true seconds=2.129989" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.465005, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=0 warmup=true seconds=1.465005" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 1.373198, "raw_line": 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"[grouped-value-trial] type=INT engine=1 trial=2 warmup=false seconds=1.815343" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.978285, "raw_line": "[grouped-value-trial] type=INT engine=1 trial=3 warmup=false seconds=1.978285" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 1.718089, "raw_line": "[grouped-value-trial] type=INT engine=0 trial=3 warmup=false seconds=1.718089" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 2.099982, "raw_line": "[grouped-value-trial] type=INT engine=0 trial=4 warmup=false seconds=2.099982" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.92423, "raw_line": "[grouped-value-trial] type=INT engine=1 trial=4 warmup=false seconds=1.924230" }, { "engine": 1, "trial": 5, "warmup": false, "seconds": 1.922478, "raw_line": "[grouped-value-trial] type=INT engine=1 trial=5 warmup=false seconds=1.922478" }, { "engine": 0, "trial": 5, "warmup": false, "seconds": 1.700522, "raw_line": "[grouped-value-trial] type=INT engine=0 trial=5 warmup=false seconds=1.700522" }, { "engine": 0, "trial": 6, "warmup": false, "seconds": 1.987713, "raw_line": "[grouped-value-trial] type=INT engine=0 trial=6 warmup=false seconds=1.987713" }, { "engine": 1, "trial": 6, "warmup": false, "seconds": 1.798577, "raw_line": "[grouped-value-trial] type=INT engine=1 trial=6 warmup=false seconds=1.798577" } ], "summary_line": "[grouped-value] single=true distinct=false mixed=false type=INT two_phase=true rows=2000000 Flink=1.984997s Native=1.922478s ratio=1.033x flink_trials=[1.98499666, 1.718088933, 2.099982029, 1.700521995, 1.987713093] native_trials=[1.81534349, 1.978285028, 1.924229806, 1.922478073, 1.798577077]", "log_sha256": "e7df16139a3ad2c0f7e7eb40051764af85b56cd7fe85422b17c3069221e30201" } ], "historical_prototypes": { "note": "Earlier unshipped type-only, compact-timestamp and prebound-column prototypes, with their original origin control. Configuration and implementation evolved between phases; these are retained unsuccessful development measurements, not final controls. The separate local-only prototype artifact retains another 120 complete jobs. Raw summary lines preserve full-precision measured values; raw trial lines include warmups.", "profiles": [ { "flink": "2.2.1", "phase": "historical_candidate", "type": "BIGINT", "rows": 500000, "warmup_pairs": 2, "measured_pairs": 3, "stock_median_seconds": 0.620830105, "streamfusion_median_seconds": 0.556493458, "stock_measured_seconds": [ 0.686347572, 0.565753836, 0.620830105 ], "streamfusion_measured_seconds": [ 0.55102733, 0.556493458, 0.591333575 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 1.612107, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=0 warmup=true seconds=1.612107" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 0.971455, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=0 warmup=true seconds=0.971455" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 0.671709, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=1 warmup=true seconds=0.671709" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 0.735237, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=1 warmup=true seconds=0.735237" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.686348, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=2 warmup=false seconds=0.686348" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 0.551027, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=2 warmup=false seconds=0.551027" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 0.556493, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=3 warmup=false seconds=0.556493" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.565754, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=3 warmup=false seconds=0.565754" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.62083, "raw_line": "[grouped-value-trial] type=BIGINT engine=0 trial=4 warmup=false seconds=0.620830" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 0.591334, "raw_line": "[grouped-value-trial] type=BIGINT engine=1 trial=4 warmup=false seconds=0.591334" } ], "summary_line": "[grouped-value] single=true distinct=false type=BIGINT two_phase=true rows=500000 Flink=0.620830s Native=0.556493s ratio=1.116x flink_trials=[0.686347572, 0.565753836, 0.620830105] native_trials=[0.55102733, 0.556493458, 0.591333575]", "log_sha256": "0392cb04d3662555e968799daf774e6755b33bdd531368debc13379b94efe416" }, { "flink": "2.2.1", "phase": "historical_candidate", "type": "DATE", "rows": 500000, "warmup_pairs": 2, "measured_pairs": 3, "stock_median_seconds": 0.501231285, "streamfusion_median_seconds": 0.569673846, "stock_measured_seconds": [ 0.51036983, 0.414177743, 0.501231285 ], "streamfusion_measured_seconds": [ 0.569673846, 0.49848416, 0.794989585 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 0.584234, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=0 warmup=true seconds=0.584234" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 0.594238, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=0 warmup=true seconds=0.594238" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 0.512591, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=1 warmup=true seconds=0.512591" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 0.426795, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=1 warmup=true seconds=0.426795" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.51037, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=2 warmup=false seconds=0.510370" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 0.569674, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=2 warmup=false seconds=0.569674" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 0.498484, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=3 warmup=false seconds=0.498484" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.414178, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=3 warmup=false seconds=0.414178" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.501231, "raw_line": "[grouped-value-trial] type=DATE engine=0 trial=4 warmup=false seconds=0.501231" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 0.79499, "raw_line": "[grouped-value-trial] type=DATE engine=1 trial=4 warmup=false seconds=0.794990" } ], "summary_line": "[grouped-value] single=true distinct=false type=DATE two_phase=true rows=500000 Flink=0.501231s Native=0.569674s ratio=0.880x flink_trials=[0.51036983, 0.414177743, 0.501231285] native_trials=[0.569673846, 0.49848416, 0.794989585]", "log_sha256": "0392cb04d3662555e968799daf774e6755b33bdd531368debc13379b94efe416" }, { "flink": "2.2.1", "phase": "historical_candidate", "type": "TIME", "rows": 500000, "warmup_pairs": 2, "measured_pairs": 3, "stock_median_seconds": 0.426172074, "streamfusion_median_seconds": 0.498623827, "stock_measured_seconds": [ 0.426172074, 0.427879055, 0.411315898 ], "streamfusion_measured_seconds": [ 0.485008349, 0.691258198, 0.498623827 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 0.555001, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=0 warmup=true seconds=0.555001" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 0.541401, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=0 warmup=true seconds=0.541401" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 0.616561, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=1 warmup=true seconds=0.616561" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 0.393846, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=1 warmup=true seconds=0.393846" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.426172, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=2 warmup=false seconds=0.426172" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 0.485008, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=2 warmup=false seconds=0.485008" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 0.691258, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=3 warmup=false seconds=0.691258" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.427879, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=3 warmup=false seconds=0.427879" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.411316, "raw_line": "[grouped-value-trial] type=TIME engine=0 trial=4 warmup=false seconds=0.411316" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 0.498624, "raw_line": "[grouped-value-trial] type=TIME engine=1 trial=4 warmup=false seconds=0.498624" } ], "summary_line": "[grouped-value] single=true distinct=false type=TIME two_phase=true rows=500000 Flink=0.426172s Native=0.498624s ratio=0.855x flink_trials=[0.426172074, 0.427879055, 0.411315898] native_trials=[0.485008349, 0.691258198, 0.498623827]", "log_sha256": 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"raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=1 warmup=true seconds=0.423623" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.465436, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=2 warmup=false seconds=0.465436" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 0.52155, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=2 warmup=false seconds=0.521550" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 0.619479, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=3 warmup=false seconds=0.619479" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.51134, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=3 warmup=false seconds=0.511340" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.581378, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=0 trial=4 warmup=false seconds=0.581378" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 0.568365, "raw_line": "[grouped-value-trial] type=BOOLEAN engine=1 trial=4 warmup=false seconds=0.568365" } ], "summary_line": "[grouped-value] single=true distinct=false type=BOOLEAN two_phase=true rows=500000 Flink=0.511340s Native=0.568365s ratio=0.900x flink_trials=[0.465436154, 0.511340032, 0.581377884] native_trials=[0.521549543, 0.619478835, 0.568364843]", "log_sha256": "0392cb04d3662555e968799daf774e6755b33bdd531368debc13379b94efe416" }, { "flink": "2.2.1", "phase": "historical_candidate", "type": "DECIMAL", "rows": 500000, "warmup_pairs": 2, "measured_pairs": 3, "stock_median_seconds": 0.464974184, "streamfusion_median_seconds": 0.538157738, "stock_measured_seconds": [ 0.464974184, 0.462185064, 0.577828818 ], "streamfusion_measured_seconds": [ 0.538157738, 0.558249125, 0.506526855 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 0.500131, "raw_line": "[grouped-value-trial] type=DECIMAL engine=0 trial=0 warmup=true seconds=0.500131" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 0.599871, "raw_line": "[grouped-value-trial] type=DECIMAL engine=1 trial=0 warmup=true seconds=0.599871" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 0.555, "raw_line": "[grouped-value-trial] type=DECIMAL engine=1 trial=1 warmup=true seconds=0.555000" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 0.452283, "raw_line": "[grouped-value-trial] type=DECIMAL engine=0 trial=1 warmup=true seconds=0.452283" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.464974, "raw_line": "[grouped-value-trial] type=DECIMAL engine=0 trial=2 warmup=false seconds=0.464974" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 0.538158, "raw_line": "[grouped-value-trial] type=DECIMAL engine=1 trial=2 warmup=false seconds=0.538158" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 0.558249, "raw_line": "[grouped-value-trial] type=DECIMAL engine=1 trial=3 warmup=false seconds=0.558249" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.462185, "raw_line": "[grouped-value-trial] type=DECIMAL engine=0 trial=3 warmup=false seconds=0.462185" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.577829, "raw_line": "[grouped-value-trial] type=DECIMAL engine=0 trial=4 warmup=false seconds=0.577829" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 0.506527, "raw_line": "[grouped-value-trial] type=DECIMAL engine=1 trial=4 warmup=false seconds=0.506527" } ], "summary_line": "[grouped-value] single=true distinct=false type=DECIMAL two_phase=true rows=500000 Flink=0.464974s Native=0.538158s ratio=0.864x flink_trials=[0.464974184, 0.462185064, 0.577828818] native_trials=[0.538157738, 0.558249125, 0.506526855]", "log_sha256": "0392cb04d3662555e968799daf774e6755b33bdd531368debc13379b94efe416" }, { "flink": "2.2.1", "phase": "historical_candidate", "type": "TIMESTAMP", "rows": 500000, "warmup_pairs": 2, "measured_pairs": 3, "stock_median_seconds": 0.446319059, "streamfusion_median_seconds": 1.82605006, "stock_measured_seconds": [ 0.511955353, 0.438799756, 0.446319059 ], "streamfusion_measured_seconds": [ 1.740537475, 1.82605006, 1.82663064 ], "all_trials": [ { "engine": 0, "trial": 0, "warmup": true, "seconds": 0.414104, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=0 warmup=true seconds=0.414104" }, { "engine": 1, "trial": 0, "warmup": true, "seconds": 1.879857, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=0 warmup=true seconds=1.879857" }, { "engine": 1, "trial": 1, "warmup": true, "seconds": 2.033025, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=1 warmup=true seconds=2.033025" }, { "engine": 0, "trial": 1, "warmup": true, "seconds": 0.656616, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=1 warmup=true seconds=0.656616" }, { "engine": 0, "trial": 2, "warmup": false, "seconds": 0.511955, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=2 warmup=false seconds=0.511955" }, { "engine": 1, "trial": 2, "warmup": false, "seconds": 1.740537, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=2 warmup=false seconds=1.740537" }, { "engine": 1, "trial": 3, "warmup": false, "seconds": 1.82605, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=3 warmup=false seconds=1.826050" }, { "engine": 0, "trial": 3, "warmup": false, "seconds": 0.4388, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=3 warmup=false seconds=0.438800" }, { "engine": 0, "trial": 4, "warmup": false, "seconds": 0.446319, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=0 trial=4 warmup=false seconds=0.446319" }, { "engine": 1, "trial": 4, "warmup": false, "seconds": 1.826631, "raw_line": "[grouped-value-trial] type=TIMESTAMP engine=1 trial=4 warmup=false seconds=1.826631" } ], "summary_line": "[grouped-value] single=true distinct=false type=TIMESTAMP two_phase=true rows=500000 Flink=0.446319s Native=1.826050s ratio=0.244x flink_trials=[0.511955353, 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