{ "date": "2026-10-13", "candidate_status": "Archived allocation-quantum and decoded-cache development stages; final source/results are in append-top1-final-2026-10-13.json", "baseline_commit": "228645aa3973b56cd0e359b0d8666b0a5b0124ea", "native_suite": { "passed": 677, "ignored": 2 }, "jvm22_suite": { "passed": 79, "classes": 4 }, "stages": [ { "name": "initial allocation bound", "measurements": [ "[append-top1-window] engine=Flink trial=0 backend=rocksdb keys=65536 width=8 improving=false before=2204167 after=7146698 seconds=10.000279 mean_rows_per_second=494239.335", "[append-top1-window] engine=StreamFusion trial=0 backend=rocksdb keys=65536 width=8 improving=false before=1868800 after=5780480 seconds=10.000247 mean_rows_per_second=391158.341", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=65536 width=8 improving=false before=1868800 after=5616640 seconds=10.000237 mean_rows_per_second=374775.108", "[append-top1-window] engine=Flink trial=1 backend=rocksdb 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mean_rows_per_second=516683.677", "[append-top1-window] engine=StreamFusion trial=0 backend=rocksdb keys=65536 width=8 improving=false before=2037760 after=6256640 seconds=10.000250 mean_rows_per_second=421877.445", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=65536 width=8 improving=false before=2113536 after=6361088 seconds=10.000307 mean_rows_per_second=424742.169", "[append-top1-window] engine=Flink trial=1 backend=rocksdb keys=65536 width=8 improving=false before=2314749 after=7214574 seconds=10.000254 mean_rows_per_second=489970.042", "[append-top1-window] engine=Flink trial=2 backend=rocksdb keys=65536 width=8 improving=false before=2313422 after=7215069 seconds=10.000256 mean_rows_per_second=490152.172", "[append-top1-window] engine=StreamFusion trial=2 backend=rocksdb keys=65536 width=8 improving=false before=2180096 after=6494208 seconds=10.000381 mean_rows_per_second=431394.767", "[append-top1-sustained] backend=rocksdb keys=65536 width=8 improving=false warmup_seconds=5 window_seconds=10 stock_mean=498935.297 sf_mean=426004.794 stock_trials=[516683.6767934342, 489970.0415807498, 490152.17234767263] sf_trials=[421877.445090389, 424742.1688677849, 431394.7669222831]" ] }, { "name": "clean cache narrow", "measurements": [ "[append-top1-window] engine=Flink trial=0 backend=rocksdb keys=65536 width=8 improving=false before=2182811 after=7036037 seconds=10.000375 mean_rows_per_second=485304.411", "[append-top1-window] engine=StreamFusion trial=0 backend=rocksdb keys=65536 width=8 improving=false before=9712640 after=34447360 seconds=10.000174 mean_rows_per_second=2473429.016", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=65536 width=8 improving=false before=11651072 after=36377600 seconds=10.000213 mean_rows_per_second=2472600.037", "[append-top1-window] engine=Flink trial=1 backend=rocksdb keys=65536 width=8 improving=false before=2467455 after=7556769 seconds=10.000243 mean_rows_per_second=508919.016", "[append-top1-window] engine=Flink trial=2 backend=rocksdb keys=65536 width=8 improving=false before=2634365 after=7951507 seconds=10.000349 mean_rows_per_second=531695.664", "[append-top1-window] engine=StreamFusion trial=2 backend=rocksdb keys=65536 width=8 improving=false before=11783168 after=36213760 seconds=10.000289 mean_rows_per_second=2442988.483", "[append-top1-sustained] backend=rocksdb keys=65536 width=8 improving=false warmup_seconds=5 window_seconds=10 stock_mean=508639.697 sf_mean=2463005.845 stock_trials=[485304.4114700843, 508919.01571021223, 531695.6639194252] sf_trials=[2473429.015761193, 2472600.037435061, 2442988.4825680964]" ] }, { "name": "clean cache wide oversized estimate", "measurements": [ "[append-top1-window] engine=Flink trial=0 backend=rocksdb keys=65536 width=256 improving=false before=919601 after=2984567 seconds=10.000188 mean_rows_per_second=206492.728", "[append-top1-window] engine=StreamFusion trial=0 backend=rocksdb keys=65536 width=256 improving=false before=818176 after=2553856 seconds=10.000213 mean_rows_per_second=173564.311", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=65536 width=256 improving=false before=879616 after=2580480 seconds=10.000399 mean_rows_per_second=170079.616", "[append-top1-window] engine=Flink trial=1 backend=rocksdb keys=65536 width=256 improving=false before=101587 after=219580 seconds=10.000364 mean_rows_per_second=11798.871", "[append-top1-window] engine=Flink trial=2 backend=rocksdb keys=65536 width=256 improving=false before=959536 after=2946080 seconds=10.000282 mean_rows_per_second=198648.803", "[append-top1-window] engine=StreamFusion trial=2 backend=rocksdb keys=65536 width=256 improving=false before=888832 after=2592768 seconds=10.000499 mean_rows_per_second=170385.089", "[append-top1-sustained] backend=rocksdb keys=65536 width=256 improving=false warmup_seconds=5 window_seconds=10 stock_mean=138980.134 sf_mean=171343.005 stock_trials=[206492.72786901626, 11798.870551788978, 198648.80344739562] sf_trials=[173564.31102942053, 170079.6158642824, 170385.0894010925]" ] }, { "name": "clean cache hot rejection", "measurements": [ "[append-top1-window] engine=Flink trial=0 backend=rocksdb keys=64 width=8 improving=false before=12927369 after=41218784 seconds=10.000318 mean_rows_per_second=2829051.484", "[append-top1-window] engine=StreamFusion trial=0 backend=rocksdb keys=64 width=8 improving=false before=24384512 after=78922752 seconds=10.000192 mean_rows_per_second=5453719.252", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=64 width=8 improving=false before=27636736 after=81724416 seconds=10.000208 mean_rows_per_second=5408655.485", "[append-top1-window] engine=Flink trial=1 backend=rocksdb keys=64 width=8 improving=false before=13801937 after=40681915 seconds=10.000265 mean_rows_per_second=2687926.690", "[append-top1-window] engine=Flink trial=2 backend=rocksdb 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mean_rows_per_second=2905425.903", "[append-top1-window] engine=StreamFusion trial=1 backend=rocksdb keys=64 width=8 improving=true before=14555136 after=43697152 seconds=10.003132 mean_rows_per_second=2913289.017", "[append-top1-window] engine=Flink trial=1 backend=rocksdb keys=64 width=8 improving=true before=8148319 after=24502026 seconds=10.000284 mean_rows_per_second=1635324.286", "[append-top1-window] engine=Flink trial=2 backend=rocksdb keys=64 width=8 improving=true before=8028283 after=23690126 seconds=10.000376 mean_rows_per_second=1566125.344", "[append-top1-window] engine=StreamFusion trial=2 backend=rocksdb keys=64 width=8 improving=true before=14714880 after=43689984 seconds=10.000260 mean_rows_per_second=2897435.123", "[append-top1-sustained] backend=rocksdb keys=64 width=8 improving=true warmup_seconds=5 window_seconds=10 stock_mean=1648531.648 sf_mean=2905383.348 stock_trials=[1744145.3130803616, 1635324.2860625805, 1566125.3436812747] sf_trials=[2905425.903386067, 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