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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 UID04e48a6a3fb4871d
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 8289e0cf24346aa7:04e48a6a3fb4871d
CompilerGCC 4.8.4
CPUODROID-XU3
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 ed4ae48ebd4a6baf 1.52 0.84 -O3 -funroll-all-loops -O3 5 1 22 40 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-1-1 default 1400, 1400, 1400, 1400, 2000, 2000, 2000, 2000 8 Hardkernel Odroid-XU3 Ubuntu 14.04.4 LTS
S2 8e6f59b4a008af76 1.48 0.84 -O3 -fira-algorithm=priority -fsched2-use-superblocks -funroll-loops -O3 4 2 16 35 milepost-codelet-mibench-security-pgp-d-src-mpilib-codelet-1-1 default 1400, 1400, 1400, 1400, 2000, 2000, 2000, 2000 8 Hardkernel Odroid-XU3 Ubuntu 14.04.4 LTS



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