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

Scenario UID2aaed4c520956635 (experiment.tune.compiler.flags.llvm.e)
Data UIDc427e3a294cacbe6
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 2aaed4c520956635:c427e3a294cacbe6
CompilerLLVM 4.0.0
CPUODROID-XU3
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 6ce33e5e3b4eaead 1.54 1.08 -O3 -ffast-math -O3 1 1 80 115 milepost-codelet-mibench-automotive-basicmath-cubic-codelet-3-1 default 1400, 1400, 1400, 1400, 2000, 2000, 2000, 2000 8 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS
S2 1d2a77acdac90cf7 1.30 1.00 -O3 -fomit-frame-pointer -O3 4 1 136 172 milepost-codelet-mibench-automotive-bitcount-src-bitcnts-codelet-1-1 default 1400, 1400, 1400, 1400, 2000, 2000, 2000, 2000 8 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS
S3 9131bee0c24e65b9 1.30 1.00 -O3 -fomit-frame-pointer -O3 2 1 165 199 milepost-codelet-mibench-automotive-bitcount-src-bitcnts-codelet-1-1 default 1400, 1400, 1400, 1400, 2000, 2000, 2000, 2000 8 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS
S4 d720cae450ebd2c1 1.22 1.05 -O3 -fslp-vectorize-aggressive -mno-implicit-float -O3 1 1 70 106 milepost-codelet-mibench-network-dijkstra-src-dijkstra-large-codelet-5-1 default 200 1 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS
S5 d6b43b2ad088c9e3 1.14 1.05 -O3 -ffast-math -O3 1 0 2 40 milepost-codelet-mibench-consumer-lame-src-quantize-codelet-7-1 default 200 1 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS
S6 2dbbee681ead8dc4 1.11 0.99 -O3 -mstackrealign -O3 1 1 40 77 milepost-codelet-mibench-consumer-lame-src-quantize-pvt-codelet-6-1 default 200 1 Hardkernel (Hardkernel odroid-xu3 board based on EXYNOS5422) Ubuntu 16.04.2 LTS



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