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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 UID3878ff3c4dac7e6a
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 2aaed4c520956635:3878ff3c4dac7e6a
CompilerLLVM 3.8.0
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 15ab14847b826214 1.55 1.00 -O3 -foptimize-sibling-calls -fstrict-aliasing -fstrict-enums -trigraphs -fvectorize -mstackrealign -fmodules-prune-after=14 -mno-unaligned-access -ffp-contract=on -O3 1 0 2 1 milepost-codelet-mibench-telecomm-adpcm-c-src-adpcm-codelet-1-1 default 1 LGE NEXUS 5X Android 6.0.1
S2 3cace6d7b9dc6452 1.28 1.00 -O3 -fno-autolink -mno-long-calls -mstack-alignment=5 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-5-1 default 1 LGE NEXUS 5X Android 6.0.1

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