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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 UIDedd57849ee9b9019
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:edd57849ee9b9019
CompilerLLVM 7.0.0
CPUIntel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz
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 c778fbc4a30b6946 1.20 1.00 -O3 -fstrict-vtable-pointers -mstackrealign -O3 1 2 30 79 milepost-codelet-mibench-automotive-susan-s-src-susan-codelet-1-1 default 2606.367, 2602.414, 2922.527, 2622.628, 2855.503, 2830.527, 2634.308, 2609.871, 2602.414, 2601.515, 2652.636, 2600.078, 2725.859, 2866.554, 2736.73, 2901.234, 2600.527, 2902.402, 2600.347, 2600.437 20 Hewlett-Packard (HP Z640 Workstation) Ubuntu 16.04.5 LTS
S2 ed4d68a9e408204a 1.18 0.79 -O3 -ffast-math -fno-autolink -O3 2 3 51 99 milepost-codelet-mibench-consumer-lame-src-psymodel-codelet-17-1 default 2601.605, 2602.503, 2866.375, 2866.015, 2897.73, 2922.257, 2601.785, 2884.164, 2636.375, 2601.785, 2600.167, 2600.796, 2957.566, 2951.906, 2879.851, 2939.507, 2700.882, 2851.371, 2601.515, 2600.078 20 Hewlett-Packard (HP Z640 Workstation) Ubuntu 16.04.5 LTS



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