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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	a44fc886c53e1f16

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:a44fc886c53e1f16

Compiler	GCC 4.9
CPU	Qualcomm MSM8974PRO-AB
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

7a4b37e49774007f

1.53

1.07

-O3 -fno-fast-math -fno-graphite-identity -fno-inline-small-functions -fno-ipa-reference -fno-isolate-erroneous-paths-dereference -fno-merge-all-constants -fomit-frame-pointer -fno-tree-pre -fno-unroll-loops -fira-algorithm=priority --param min-inline-recursive-probability=12 --param max-iterations-to-track=1473 --param max-predicted-iterations=116 --param tracer-min-branch-probability-feedback=66 --param sink-frequency-threshold=69 --param l1-cache-size=41 --param l2-cache-size=964 --param tm-max-aggregate-size=16 --param lto-partitions=43 --param case-values-threshold=0

-O3

milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-9-1

default

image-jpg-fgg-office-night-gray

data_orig.jpg

1190.4, 1190.4, 1190.4, 1190.4

HTC M8

Android 6.0

7ad26a6e5e0b91a8

1.41

1.00

-O3 -fno-branch-target-load-optimize2 -fno-cprop-registers -fno-data-sections -fno-expensive-optimizations -floop-nest-optimize -fno-loop-parallelize-all -fno-peephole -fno-toplevel-reorder -freorder-blocks-and-partition -fno-reschedule-modulo-scheduled-loops -fno-sched-spec-load -fno-sched-spec-load-dangerous -fsched-group-heuristic -fsplit-wide-types -fno-tracer -fno-tree-loop-if-convert-stores -ftree-loop-linear -ftree-loop-vectorize -fno-tree-partial-pre -fno-tree-sink -funsafe-loop-optimizations --param ipcp-unit-growth=18 --param early-inlining-insns=13 --param large-stack-frame=53 --param max-peel-times=18 --param max-once-peeled-insns=162 --param sms-loop-average-count-threshold=0 --param tracer-min-branch-probability-feedback=100 --param max-goto-duplication-insns=14 --param iv-always-prune-cand-set-bound=4 --param scev-max-expr-size=1 --param omega-max-geqs=386 --param omega-max-wild-cards=33 --param omega-eliminate-redundant-constraints=1 --param vect-max-peeling-for-alignment=50 --param sched-spec-prob-cutoff=87 --param sched-mem-true-dep-cost=0 --param l1-cache-line-size=33 --param ira-max-loops-num=198 --param loop-invariant-max-bbs-in-loop=17468 --param min-insn-to-prefetch-ratio=18 --param prefetch-min-insn-to-mem-ratio=4 --param ipa-cp-array-index-hint-bonus=88 --param lto-partitions=34

-O3

milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-10-1

default

image-tiff-0001

data.tiff

1036.8, 1036.8, 1036.8, 1036.8

HTC M8

Android 6.0

e679a0fcc543dfab

1.34

0.99

-O3 -fno-check-data-deps -fcse-follow-jumps -fno-if-conversion -fno-ira-loop-pressure -fivopts -fno-loop-parallelize-all -fno-lto -fmerge-constants -fmath-errno -fno-partial-inlining -fno-reschedule-modulo-scheduled-loops -fno-sel-sched-pipelining-outer-loops -fno-single-precision-constant -fstrict-aliasing -fno-tracer -fno-tree-tail-merge -fno-unroll-all-loops -fvect-cost-model -fweb --param sms-dfa-history=0 --param tracer-max-code-growth=54 --param tracer-min-branch-probability=32 --param max-grow-copy-bb-insns=9 --param iv-always-prune-cand-set-bound=4 --param max-sched-region-blocks=13 --param selsched-max-sched-times=0 --param ira-max-conflict-table-size=1803 --param min-insn-to-prefetch-ratio=14 --param tm-max-aggregate-size=5 --param ipa-cp-eval-threshold=233 --param allow-load-data-races=0 --param allow-packed-load-data-races=0 --param asan-memintrin=0

-O3

milepost-codelet-mibench-consumer-tiffdither-src-tiffdither-codelet-1-1

default

gsm-0001

data.gsm

1190.4, 1190.4, 1190.4, 1190.4

HTC M8

Android 6.0

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