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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 UID741d3b92d4616501
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 8289e0cf24346aa7:741d3b92d4616501
CompilerGCC 5.4.0
CPUIntel(R) Core(TM) i5-4570 CPU @ 3.20GHz
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 bf0b79941259339b 1.57 1.01 -O3 -fno-tree-loop-if-convert -O3 1 0 5 35 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default 3445.75, 3384.625, 3434, 3502.375 4 Dell Inc. 01 (OptiPlex 9020) Ubuntu 16.04.1 LTS
S2 e4c749690de320b9 1.57 1.01 -O3 -fno-tree-loop-if-convert -O3 1 0 9 37 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default 3462.625, 3490, 3481.25, 3439 4 Dell Inc. 01 (OptiPlex 9020) Ubuntu 16.04.1 LTS
S3 175846fb93f27e0e 1.35 0.36 -O3 -fno-if-conversion2 -fno-ivopts -flto -O3 1 1 7 36 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 3521.875, 3513.375, 3464.125, 3532.5 4 Dell Inc. 01 (OptiPlex 9020) Ubuntu 16.04.1 LTS
S4 575ff3204aaabaf7 1.31 0.87 -O3 -fno-reorder-functions -funroll-all-loops -O3 1 0 3 35 milepost-codelet-mibench-consumer-mad-src-layer3-codelet-5-1 default 3450.5, 3398.25, 3507.125, 3487.25 4 Dell Inc. 01 (OptiPlex 9020) Ubuntu 16.04.1 LTS
S5 44aaab5dfa8565eb 1.20 0.73 -O3 -fno-tree-loop-if-convert -fno-tree-loop-optimize -funroll-loops -O3 1 1 4 35 milepost-codelet-mibench-consumer-lame-src-quantize-pvt-codelet-6-1 default 3531.75, 3536.625, 3532.75, 3473.625 4 Dell Inc. 01 (OptiPlex 9020) Ubuntu 16.04.1 LTS



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