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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 UID4e69b799092dcbd8
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 8289e0cf24346aa7:4e69b799092dcbd8
CompilerGCC 4.9.2
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 c50955c5444089d3 2.86 0.33 -O3 -flto -O3 2 2 25 45 milepost-codelet-mibench-automotive-qsort1-src-qsort-codelet-1-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S2 9ae702546f388ee4 2.16 1.01 -O3 -fno-tree-copy-prop -O3 1 0 11 36 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
S3 484651a7d10e267d 1.60 0.88 -O3 -fno-merge-constants -fno-tree-pre -funroll-all-loops -O3 3 1 23 45 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-4-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S4 03b2b574481934f3 1.60 0.83 -O3 -fno-tree-ter -funroll-all-loops -O3 1 1 27 45 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-4-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S5 c4bdc8e7354c58c3 1.39 0.95 -O3 -fno-ivopts -fno-sched-dep-count-heuristic -funroll-all-loops -O3 4 1 21 44 milepost-codelet-mibench-consumer-jpeg-c-src-jfdctint-codelet-2-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S6 3c9487d81cdc74ca 1.31 1.03 -O3 -fselective-scheduling2 -fno-tree-loop-optimize -O3 1 0 26 45 milepost-codelet-mibench-consumer-jpeg-c-src-jfdctint-codelet-2-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S7 4c038bc7b02b4d97 1.29 1.00 -O3 -fmodulo-sched -O3 1 1 24 45 milepost-codelet-mibench-consumer-lame-src-takehiro-codelet-5-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS
S8 47689b036d3257f9 1.14 1.00 -O3 -fno-cse-follow-jumps -fno-gcse -fno-sched-pressure -O3 1 1 17 41 milepost-codelet-mibench-telecomm-gsm-src-short-term-codelet-2-1 default 1900.0, 1900.0, 1900.0, 1900.0 4 Samsung Chromebook 2 Ubuntu 12.04.5 LTS



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