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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	4cc0b5206483eba4

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 8289e0cf24346aa7:4cc0b5206483eba4

Compiler	GCC 4.9
CPU	MT6735
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

5f0e5690a346fc92

1.33

0.31

-O3 -fauto-inc-dec -fdce -fdevirtualize-speculatively -ffast-math -fno-ipa-cp -fno-loop-block -flto -fmove-loop-invariants -fno-branch-count-reg -fno-defer-pop -fpeephole -fpartial-inlining -fno-prefetch-loop-arrays -fno-signaling-nans -fno-split-wide-types -ftree-dce -fno-tree-fre -ftree-reassoc -falign-jumps=0 -falign-loops=0 -finline-limit=0 -fsched-stalled-insns-dep=0 -ftree-parallelize-loops=0 --param max-inline-insns-recursive=357 --param max-inline-insns-recursive-auto=341 --param max-modulo-backtrack-attempts=1 --param large-stack-frame=103 --param max-peel-times=29 --param max-peel-branches=38 --param omega-max-geqs=461 --param max-cselib-memory-locations=825 --param max-sched-insn-conflict-delay=3 --param selsched-max-lookahead=48 --param sched-mem-true-dep-cost=2 --param max-fields-for-field-sensitive=0 --param max-sched-ready-insns=74 --param l1-cache-size=40 --param ipa-cp-loop-hint-bonus=113 --param max-tail-merge-comparisons=14 --param max-tracked-strlens=930

-O3

milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-5-1

default

CUBOT H2

Android 5.1

63b5b67c2a504b87

1.20

0.83

-O3 -fbtr-bb-exclusive -fcompare-elim -ffinite-math-only -fno-ivopts -fno-function-cse -fno-partial-inlining -fsched-spec-load -fselective-scheduling -fno-sel-sched-pipelining -fno-sel-sched-pipelining-outer-loops -fno-thread-jumps -ftree-dce -fno-tree-dominator-opts -fno-tree-partial-pre -funroll-loops -fno-unswitch-loops -fexcess-precision=fast --param predictable-branch-outcome=39 --param max-inline-insns-recursive-auto=378 --param max-variable-expansions-in-unroller=2 --param ipcp-unit-growth=14 --param large-stack-frame=458 --param max-peel-times=7 --param sms-max-ii-factor=67 --param sms-loop-average-count-threshold=0 --param max-crossjump-edges=135 --param iv-always-prune-cand-set-bound=3 --param scev-max-expr-size=139 --param omega-max-geqs=509 --param sink-frequency-threshold=55 --param selsched-max-lookahead=35 --param max-dse-active-local-stores=7149 --param prefetch-latency=311 --param ira-max-conflict-table-size=1547 --param max-vartrack-expr-depth=8 --param ipa-max-agg-items=3 --param allow-packed-load-data-races=1 --param asan-instrument-reads=1

-O3

milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1

default

image-tiff-0001-nocomp

data.tiff

ZTE BLADE V6

Android 5.0.2

281c1e1b54b32b70

1.19

0.84

-O3 -fno-btr-bb-exclusive -fipa-sra -fno-if-conversion2 -fsched-interblock -fno-omit-frame-pointer -fno-predictive-commoning -fno-rounding-math -fno-sched2-use-superblocks -fsplit-ivs-in-unroller -fno-split-wide-types -fthread-jumps -fno-tree-fre -ftree-loop-ivcanon -fno-tree-ter -funroll-all-loops -fno-vpt -fuse-linker-plugin -falign-jumps=0 --param max-inline-insns-recursive=403 --param max-variable-expansions-in-unroller=1 --param gcse-unrestricted-cost=6 --param max-average-unrolled-insns=157 --param omega-max-wild-cards=31 --param vect-max-version-for-alignment-checks=0 --param sched-spec-prob-cutoff=48 --param sched-mem-true-dep-cost=1 --param graphite-max-bbs-per-function=127 --param allow-packed-load-data-races=0 --param asan-use-after-return=1

-O3

milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-6-1

default

1300, 1300, 1300, 1300

GIONEE F103

Android 6.0

da5ad077d154f3e8

1.12

0.99

-O3 -fcompare-elim -fcprop-registers -fdevirtualize-speculatively -fmodulo-sched -fdefer-pop -fpeephole2 -fno-reciprocal-math -fno-reorder-blocks-and-partition -fno-reorder-functions -fno-tracer -ftree-reassoc -fno-tree-switch-conversion -falign-jumps=0 --param max-early-inliner-iterations=2 --param max-delay-slot-insn-search=140 --param large-unit-insns=15825 --param max-unswitch-insns=48 --param tracer-min-branch-probability=45 --param max-crossjump-edges=28 --param scev-max-expr-complexity=10 --param vect-max-version-for-alias-checks=12 --param vect-max-peeling-for-alignment=59 --param max-pipeline-region-blocks=29 --param selsched-insns-to-rename=0 --param simultaneous-prefetches=3 --param use-canonical-types=0 --param ira-max-conflict-table-size=861 --param case-values-threshold=0 --param allow-store-data-races=0 --param max-slsr-cand-scan=915924 --param asan-stack=1 --param asan-instrument-reads=0 --param asan-memintrin=1

-O3

milepost-codelet-mibench-security-pgp-d-src-mpilib-codelet-1-1

default

1300, 1300, 1300, 1300

CUBOT H2

Android 5.1

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