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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 UID6df193ccb82410b8
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 8289e0cf24346aa7:6df193ccb82410b8
CompilerGCC 5.3.0
CPUAMD A6-4400M APU with Radeon(tm) HD Graphics
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 f8889647a8549cb8 3.46 0.42 -O3 -flto -O3 2 1 4 37 milepost-codelet-mibench-office-ghostscript-src-gdevpbm-codelet-1-1 default 2700, 2700 2 ThinkPad Edge E535 gentoo
S2 a9e6254de0bae9f7 3.45 0.42 -O3 -flto -O3 1 0 11 42 milepost-codelet-mibench-office-ghostscript-src-gdevpbm-codelet-1-1 default 2700, 2000 2 ThinkPad Edge E535 gentoo
S3 6da615cb295a4ac4 2.80 0.80 -O3 -fno-rename-registers -fschedule-insns -funroll-loops -O3 3 2 30 59 milepost-codelet-mibench-consumer-lame-src-takehiro-codelet-5-1 default 2700, 2400 2 ThinkPad Edge E535 gentoo
S4 1a6545a18ac9a57a 2.54 0.80 -O3 -fno-tree-dce -funroll-loops -O3 4 0 31 59 milepost-codelet-mibench-consumer-lame-src-takehiro-codelet-5-1 default 2700, 2700 2 ThinkPad Edge E535 gentoo
S5 bdf7254508b2f801 1.85 0.83 -O3 -fno-tree-loop-vectorize -funroll-loops -O3 1 0 6 38 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default 2700, 1400 2 ThinkPad Edge E535 gentoo
S6 9c4c839479087c9c 1.10 1.10 -O3 -fno-merge-all-constants -fno-reorder-functions -fselective-scheduling2 -O3 1 1 25 55 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-1-1 default 2400, 2000 2 ThinkPad Edge E535 gentoo



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