snapshot=artifacts/layout-sweep/unified-copy/attention/exchange.json tiles=1472 phases=21 warmup=0 iterations=1 repeatAware=true phase=0 transfers=138 destinations=828 initialHorizonCycles=3238 horizonCycles=3238 endpointLowerBoundCycles=3072 lowerBoundGapCycles=166 neighborhoodImprovements=0 rowWords=5198 maximumRowWords=5 scheduleCodegenMinMs=3.613 scheduleCodegenMedianMs=3.613 scheduleCodegenP95Ms=3.613 scheduleCodegenMaxMs=3.613 validationMedianMs=0.233 reused=false rowFingerprint=e55e37a69d372c49 invariants=PASS 2026-09-08T10:15:58.545351Z DEBUG finished exchange repair ordering transfers=1334 visits=2429 local=true 2026-09-08T10:15:58.555510Z DEBUG finished exchange repair ordering transfers=1334 visits=3085 local=false phase=1 transfers=1334 destinations=1334 initialHorizonCycles=2913 horizonCycles=2913 endpointLowerBoundCycles=2784 lowerBoundGapCycles=129 neighborhoodImprovements=0 rowWords=8073 maximumRowWords=11 scheduleCodegenMinMs=45.630 scheduleCodegenMedianMs=45.630 scheduleCodegenP95Ms=45.630 scheduleCodegenMaxMs=45.630 validationMedianMs=0.439 reused=false rowFingerprint=8ac3e36b3739d8b4 invariants=PASS phase=2 transfers=138 destinations=828 initialHorizonCycles=3238 horizonCycles=3238 endpointLowerBoundCycles=3072 lowerBoundGapCycles=166 neighborhoodImprovements=0 rowWords=5198 maximumRowWords=5 scheduleCodegenMinMs=3.597 scheduleCodegenMedianMs=3.597 scheduleCodegenP95Ms=3.597 scheduleCodegenMaxMs=3.597 validationMedianMs=0.241 reused=false rowFingerprint=556bacebcee78342 invariants=PASS 2026-09-08T10:15:58.586904Z DEBUG finished exchange repair ordering transfers=1334 visits=2429 local=true 2026-09-08T10:15:58.595464Z DEBUG finished exchange repair ordering transfers=1334 visits=3085 local=false phase=3 transfers=1334 destinations=1334 initialHorizonCycles=2913 horizonCycles=2913 endpointLowerBoundCycles=2784 lowerBoundGapCycles=129 neighborhoodImprovements=0 rowWords=8073 maximumRowWords=11 scheduleCodegenMinMs=34.913 scheduleCodegenMedianMs=34.913 scheduleCodegenP95Ms=34.913 scheduleCodegenMaxMs=34.913 validationMedianMs=0.440 reused=false rowFingerprint=8ac3e36b3739d8b4 invariants=PASS phase=4 transfers=138 destinations=828 initialHorizonCycles=3238 horizonCycles=3238 endpointLowerBoundCycles=3072 lowerBoundGapCycles=166 neighborhoodImprovements=0 rowWords=5198 maximumRowWords=5 scheduleCodegenMinMs=3.561 scheduleCodegenMedianMs=3.561 scheduleCodegenP95Ms=3.561 scheduleCodegenMaxMs=3.561 validationMedianMs=0.245 reused=false rowFingerprint=b2fbdbff1bee2fca invariants=PASS 2026-09-08T10:15:58.625813Z DEBUG finished exchange repair ordering transfers=1334 visits=2429 local=true 2026-09-08T10:15:58.634389Z DEBUG finished exchange repair ordering transfers=1334 visits=3085 local=false phase=5 transfers=1334 destinations=1334 initialHorizonCycles=2913 horizonCycles=2913 endpointLowerBoundCycles=2784 lowerBoundGapCycles=129 neighborhoodImprovements=0 rowWords=8073 maximumRowWords=11 scheduleCodegenMinMs=37.152 scheduleCodegenMedianMs=37.152 scheduleCodegenP95Ms=37.152 scheduleCodegenMaxMs=37.152 validationMedianMs=0.778 reused=false rowFingerprint=8ac3e36b3739d8b4 invariants=PASS 2026-09-08T10:15:59.177606Z DEBUG finished exchange repair ordering transfers=18209 visits=35322 local=true 2026-09-08T10:15:59.330290Z DEBUG finished exchange repair ordering transfers=18209 visits=83468 local=false phase=6 transfers=18209 destinations=18209 initialHorizonCycles=1702 horizonCycles=1702 endpointLowerBoundCycles=928 lowerBoundGapCycles=774 neighborhoodImprovements=0 rowWords=79423 maximumRowWords=125 scheduleCodegenMinMs=808.079 scheduleCodegenMedianMs=808.079 scheduleCodegenP95Ms=808.079 scheduleCodegenMaxMs=808.079 validationMedianMs=8.525 reused=false rowFingerprint=fe40021baab0aaa7 invariants=PASS 2026-09-08T10:16:01.981387Z DEBUG finished exchange repair ordering transfers=62630 visits=141007 local=true 2026-09-08T10:16:02.764001Z DEBUG finished exchange repair ordering transfers=62630 visits=483925 local=false phase=7 transfers=62630 destinations=62630 initialHorizonCycles=4115 horizonCycles=4115 endpointLowerBoundCycles=928 lowerBoundGapCycles=3187 neighborhoodImprovements=0 rowWords=235443 maximumRowWords=581 scheduleCodegenMinMs=3873.154 scheduleCodegenMedianMs=3873.154 scheduleCodegenP95Ms=3873.154 scheduleCodegenMaxMs=3873.154 validationMedianMs=36.205 reused=false rowFingerprint=dfb6bd8214828deb invariants=PASS 2026-09-08T10:16:03.672762Z DEBUG finished exchange repair ordering transfers=4272 visits=8782 local=true 2026-09-08T10:16:03.796114Z DEBUG finished exchange repair ordering transfers=4272 visits=26600 local=false phase=8 transfers=4272 destinations=33072 initialHorizonCycles=3977 horizonCycles=3977 endpointLowerBoundCycles=3072 lowerBoundGapCycles=905 neighborhoodImprovements=0 rowWords=88173 maximumRowWords=85 scheduleCodegenMinMs=522.730 scheduleCodegenMedianMs=522.730 scheduleCodegenP95Ms=522.730 scheduleCodegenMaxMs=522.730 validationMedianMs=5.747 reused=false rowFingerprint=ec5659d90f49cb47 invariants=PASS 2026-09-08T10:16:03.928040Z DEBUG finished exchange repair ordering transfers=80 visits=144 local=true 2026-09-08T10:16:03.950331Z DEBUG finished exchange repair ordering transfers=80 visits=240 local=false phase=9 transfers=80 destinations=7280 initialHorizonCycles=2687 horizonCycles=2687 endpointLowerBoundCycles=2560 lowerBoundGapCycles=127 neighborhoodImprovements=0 rowWords=13640 maximumRowWords=14 scheduleCodegenMinMs=62.738 scheduleCodegenMedianMs=62.738 scheduleCodegenP95Ms=62.738 scheduleCodegenMaxMs=62.738 validationMedianMs=1.003 reused=false rowFingerprint=ef6d4bc0adadbd24 invariants=PASS 2026-09-08T10:16:04.071961Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:04.174438Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=10 transfers=400 destinations=36400 initialHorizonCycles=5260 horizonCycles=5260 endpointLowerBoundCycles=5120 lowerBoundGapCycles=140 neighborhoodImprovements=0 rowWords=75592 maximumRowWords=60 scheduleCodegenMinMs=350.445 scheduleCodegenMedianMs=350.445 scheduleCodegenP95Ms=350.445 scheduleCodegenMaxMs=350.445 validationMedianMs=6.464 reused=false rowFingerprint=de5a928b2b225462 invariants=PASS 2026-09-08T10:16:04.426174Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:04.532677Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=11 transfers=400 destinations=36400 initialHorizonCycles=5268 horizonCycles=5268 endpointLowerBoundCycles=5120 lowerBoundGapCycles=148 neighborhoodImprovements=0 rowWords=75658 maximumRowWords=60 scheduleCodegenMinMs=296.156 scheduleCodegenMedianMs=296.156 scheduleCodegenP95Ms=296.156 scheduleCodegenMaxMs=296.156 validationMedianMs=3.695 reused=false rowFingerprint=fca8d5b18fea15d0 invariants=PASS 2026-09-08T10:16:04.724043Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:04.826043Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=12 transfers=400 destinations=36400 initialHorizonCycles=5257 horizonCycles=5257 endpointLowerBoundCycles=5120 lowerBoundGapCycles=137 neighborhoodImprovements=0 rowWords=74672 maximumRowWords=57 scheduleCodegenMinMs=298.268 scheduleCodegenMedianMs=298.268 scheduleCodegenP95Ms=298.268 scheduleCodegenMaxMs=298.268 validationMedianMs=3.641 reused=false rowFingerprint=3767eeea7c0e5065 invariants=PASS 2026-09-08T10:16:05.030645Z DEBUG finished exchange repair ordering transfers=400 visits=573 local=true 2026-09-08T10:16:05.132485Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=13 transfers=400 destinations=36400 initialHorizonCycles=5279 horizonCycles=5279 endpointLowerBoundCycles=5120 lowerBoundGapCycles=159 neighborhoodImprovements=0 rowWords=74900 maximumRowWords=58 scheduleCodegenMinMs=292.232 scheduleCodegenMedianMs=292.232 scheduleCodegenP95Ms=292.232 scheduleCodegenMaxMs=292.232 validationMedianMs=3.467 reused=false rowFingerprint=1941fe0e42db561a invariants=PASS 2026-09-08T10:16:05.323887Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:05.426495Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=14 transfers=400 destinations=36400 initialHorizonCycles=5292 horizonCycles=5292 endpointLowerBoundCycles=5120 lowerBoundGapCycles=172 neighborhoodImprovements=0 rowWords=76522 maximumRowWords=60 scheduleCodegenMinMs=293.953 scheduleCodegenMedianMs=293.953 scheduleCodegenP95Ms=293.953 scheduleCodegenMaxMs=293.953 validationMedianMs=3.726 reused=false rowFingerprint=f426b46e75fb7e11 invariants=PASS 2026-09-08T10:16:05.622463Z DEBUG finished exchange repair ordering transfers=400 visits=577 local=true 2026-09-08T10:16:05.724783Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=15 transfers=400 destinations=36400 initialHorizonCycles=5303 horizonCycles=5303 endpointLowerBoundCycles=5120 lowerBoundGapCycles=183 neighborhoodImprovements=0 rowWords=76128 maximumRowWords=60 scheduleCodegenMinMs=290.613 scheduleCodegenMedianMs=290.613 scheduleCodegenP95Ms=290.613 scheduleCodegenMaxMs=290.613 validationMedianMs=3.701 reused=false rowFingerprint=d546b3d0c0b7f27a invariants=PASS 2026-09-08T10:16:05.917271Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:06.019189Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=16 transfers=400 destinations=36400 initialHorizonCycles=5310 horizonCycles=5310 endpointLowerBoundCycles=5120 lowerBoundGapCycles=190 neighborhoodImprovements=0 rowWords=75376 maximumRowWords=58 scheduleCodegenMinMs=289.818 scheduleCodegenMedianMs=289.818 scheduleCodegenP95Ms=289.818 scheduleCodegenMaxMs=289.818 validationMedianMs=3.739 reused=false rowFingerprint=745c8eb113ec3084 invariants=PASS 2026-09-08T10:16:06.212055Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:06.314517Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=17 transfers=400 destinations=36400 initialHorizonCycles=5321 horizonCycles=5321 endpointLowerBoundCycles=5120 lowerBoundGapCycles=201 neighborhoodImprovements=0 rowWords=75924 maximumRowWords=60 scheduleCodegenMinMs=290.382 scheduleCodegenMedianMs=290.382 scheduleCodegenP95Ms=290.382 scheduleCodegenMaxMs=290.382 validationMedianMs=3.718 reused=false rowFingerprint=62c2411cf1c56bd9 invariants=PASS 2026-09-08T10:16:06.510135Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:06.611974Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=18 transfers=400 destinations=36400 initialHorizonCycles=5345 horizonCycles=5345 endpointLowerBoundCycles=5120 lowerBoundGapCycles=225 neighborhoodImprovements=0 rowWords=75682 maximumRowWords=58 scheduleCodegenMinMs=292.878 scheduleCodegenMedianMs=292.878 scheduleCodegenP95Ms=292.878 scheduleCodegenMaxMs=292.878 validationMedianMs=3.625 reused=false rowFingerprint=d897865528b45636 invariants=PASS 2026-09-08T10:16:06.803154Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:06.905298Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=19 transfers=400 destinations=36400 initialHorizonCycles=5327 horizonCycles=5327 endpointLowerBoundCycles=5120 lowerBoundGapCycles=207 neighborhoodImprovements=0 rowWords=75162 maximumRowWords=60 scheduleCodegenMinMs=289.030 scheduleCodegenMedianMs=289.030 scheduleCodegenP95Ms=289.030 scheduleCodegenMaxMs=289.030 validationMedianMs=3.722 reused=false rowFingerprint=f1a10d90896563b9 invariants=PASS 2026-09-08T10:16:07.096990Z DEBUG finished exchange repair ordering transfers=400 visits=572 local=true 2026-09-08T10:16:07.198964Z DEBUG finished exchange repair ordering transfers=400 visits=1360 local=false phase=20 transfers=400 destinations=36400 initialHorizonCycles=5304 horizonCycles=5304 endpointLowerBoundCycles=5120 lowerBoundGapCycles=184 neighborhoodImprovements=0 rowWords=74672 maximumRowWords=57 scheduleCodegenMinMs=294.106 scheduleCodegenMedianMs=294.106 scheduleCodegenP95Ms=294.106 scheduleCodegenMaxMs=294.106 validationMedianMs=3.807 reused=false rowFingerprint=cb85bec30e29604c invariants=PASS totalMs=8784.889