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Distinct solutions after online classification (auto/crowd-tune GCC compiler flags (minimize execution time))

Scenario UID	8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UID	c89b3baf41adaa5f

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

Compiler	GCC 4.9
CPU	Goldfish
Objective	min

Improvement key IK1	Main kernel execution time speedup [min]
Improvement key IK2	Code 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

Replay

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

milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-9-1

default

UNKNOWN GI-I9500_TMMARS

Android 4.1.1

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