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Distinct solutions after online classification (auto/crowd-tune GCC compiler flags (minimize execution time))

Scenario UID8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UIDa89ce9656359366f
Discuss (optimizations to improve compilers,
semantic/data set/hardware features
to improve predictions, etc):		GitHub wiki, Google group
Download:[ All solutions in JSON ], [ Solutions' classification in JSON ]
Reproduce all (with reactions):ck replay 8289e0cf24346aa7:a89ce9656359366f
CompilerGCC 5.4.0
CPUIntel(R) Core(TM) i5-3230M CPU @ 2.60GHz
Objectivemin
Improvement key IK1Main kernel execution time speedup [min]
Improvement key IK2Code size improvement

Improvements (<4% variation) Distinct workload for highest improvement
# Solution UID IK1 IK2 New distinct optimization choices Ref Best species Worst species Touched Iters Program CMD Dataset Dataset file CPU freq (MHz) Cores Platform OS Replay
S1 19604599ac1395d4 1.63 0.39 -O3 -flto -fschedule-insns -O3 2 1 16 44 milepost-codelet-mibench-consumer-tiffdither-src-tiffdither-codelet-1-1 default 1592.626, 1664.507, 1445.479, 1590.547 4 LENOVO Lenovo IdeaPad Y400 (20192) Ubuntu 16.04.4 LTS
S2 7bbae23c75df9195 1.51 1.02 -O3 -frename-registers -fselective-scheduling2 -fsingle-precision-constant -O3 1 0 9 39 milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-5-1 default 1813.675, 1746.161, 1678.519, 1631.635 4 LENOVO Lenovo IdeaPad Y400 (20192) Ubuntu 16.04.4 LTS
S3 da3d3475f1a84c59 1.32 0.36 -O3 -flto -O3 4 1 13 42 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 1419.412, 1465.983, 1387.525, 1434.608 4 LENOVO Lenovo IdeaPad Y400 (20192) Ubuntu 16.04.4 LTS
S4 6241c09b47fdda3f 1.23 0.83 -O3 -funroll-all-loops -O3 1 1 5 36 milepost-codelet-mibench-consumer-mad-src-layer3-codelet-5-1 default 1439.396, 1428.252, 1359.579, 1462.105 4 LENOVO Lenovo IdeaPad Y400 (20192) Ubuntu 16.04.4 LTS



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