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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 UIDc89b3baf41adaa5f
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:c89b3baf41adaa5f
CompilerGCC 4.9
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 09542b7532964cd2 1.57 0.98 -O3 -fdata-sections -ffunction-sections -fgcse-sm -fno-inline-small-functions -fno-loop-strip-mine -fmodulo-sched -fno-branch-count-reg -fno-guess-branch-probability -fno-sched-interblock -fno-optimize-sibling-calls -fno-reschedule-modulo-scheduled-loops -fno-shrink-wrap -fno-single-precision-constant -fno-tracer -fno-tree-copy-prop -ftree-dse -fno-tree-loop-distribute-patterns -fno-tree-vectorize -funsafe-loop-optimizations -funswitch-loops -fno-web -fuse-linker-plugin -falign-loops=0 -fira-region=one --param max-inline-insns-auto=4 --param max-delay-slot-insn-search=153 --param max-delay-slot-live-search=567 --param large-function-insns=4487 --param large-function-growth=58 --param max-gcse-insertion-ratio=4 --param max-unrolled-insns=260 --param max-unswitch-level=0 --param max-iterations-to-track=1052 --param sms-min-sc=3 --param tracer-min-branch-probability-feedback=34 --param max-cse-path-length=19 --param omega-max-wild-cards=35 --param vect-max-version-for-alignment-checks=12 --param ira-max-conflict-table-size=521 --param ira-loop-reserved-regs=4 --param uninit-control-dep-attempts=1740 -O3 1 0 2 1 milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-9-1 default 1 UNKNOWN GI-I9500_TMMARS Android 4.1.1

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