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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 UIDb54a3d894f1fd7b2
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:b54a3d894f1fd7b2
CompilerGCC 4.6.4
CPUSAMSUNG EXYNOS5 (Flattened Device Tree)
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 130af42c68c85e2e 1.72 0.84 -O3 -fno-cse-follow-jumps -funroll-all-loops -O3 4 0 23 45 milepost-codelet-mibench-telecomm-fft-fftmisc-codelet-5-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S2 0cb4cdebfb109e48 1.69 0.82 -O3 -fno-auto-inc-dec -fmodulo-sched -fno-sched-dep-count-heuristic -fno-strict-overflow -funroll-loops -O3 2 0 3 29 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S3 989b4f6ea7cbb167 1.68 0.84 -O3 -funroll-loops -O3 3 0 40 58 milepost-codelet-mibench-telecomm-fft-fftmisc-codelet-5-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S4 9d43449833f524c7 1.68 0.84 -O3 -funroll-all-loops -O3 1 0 25 46 milepost-codelet-mibench-telecomm-fft-fftmisc-codelet-5-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S5 61fe51499497943b 1.68 0.84 -O3 -funroll-all-loops -O3 3 0 31 50 milepost-codelet-mibench-telecomm-fft-fftmisc-codelet-5-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S6 340baa86cd3b09fd 1.49 1.00 -O3 -fno-merge-all-constants -fno-sched-spec -O3 1 1 18 41 milepost-codelet-mibench-consumer-jpeg-c-src-jchuff-codelet-9-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S7 b3098e91097a20f2 1.21 1.01 -O3 -fno-predictive-commoning -O3 1 0 5 30 cbench-telecom-gsm default au-0001 data.au 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S8 402c95f09370ffbc 1.16 1.00 -O3 -fno-tree-pre -O3 1 0 13 37 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S9 59cdde62f4e7aaeb 1.15 1.01 -O3 -fno-move-loop-invariants -O3 1 3 30 50 cbench-telecom-adpcm-d decode adpcm-0001 data.adpcm 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS



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