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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	544ee9e8b637db7d

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 8289e0cf24346aa7:544ee9e8b637db7d

Compiler	GCC 4.9
CPU	Qualcomm Technologies, Inc MSM8916
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

c32b8d788b987211

1.46

0.94

-O3 -fbranch-target-load-optimize -fdelayed-branch -fno-devirtualize-speculatively -fno-forward-propagate -fif-conversion2 -finline-functions -fno-ipa-cp -fno-isolate-erroneous-paths-dereference -fisolate-erroneous-paths-attribute -fivopts -fno-branch-count-reg -finline -free -fno-reorder-blocks-and-partition -fsched-spec-load -fshrink-wrap -fsingle-precision-constant -ftracer -fno-tree-dse -fno-tree-slsr -fno-tree-vrp -funswitch-loops --param max-iterations-to-track=1605 --param sms-dfa-history=0 --param min-crossjump-insns=5 --param max-grow-copy-bb-insns=9 --param sink-frequency-threshold=34 --param max-sched-insn-conflict-delay=6 --param max-jump-thread-duplication-stmts=28 --param graphite-max-bbs-per-function=145 --param ipa-sra-ptr-growth-factor=0 --param ipa-cp-eval-threshold=893

-O3

milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-2-1

default

SAMSUNG SM-G357FZ

Android 4.4.4

cc60b645005c4459

1.32

0.24

-O3 -fbranch-target-load-optimize -fno-conserve-stack -fdata-sections -fno-dce -fno-gcse -fno-ipa-pta -fno-ira-hoist-pressure -fno-isolate-erroneous-paths-attribute -fno-loop-interchange -floop-nest-optimize -flto -fno-peephole2 -foptimize-sibling-calls -free -fno-reorder-blocks -fno-reorder-blocks-and-partition -fno-sched-dep-count-heuristic -fshrink-wrap -fsplit-wide-types -fno-tree-ccp -fno-tree-coalesce-vars -fno-tree-loop-distribute-patterns -ftree-loop-linear -ftree-loop-optimize -fno-tree-pre -fno-tree-partial-pre -fno-tree-ter -falign-labels=0 -fexcess-precision=standard -ffp-contract=on -fira-region=mixed -fsched-stalled-insns-dep=0 --param max-inline-insns-auto=48 --param min-vect-loop-bound=2 --param max-delay-slot-insn-search=128 --param sms-loop-average-count-threshold=0 --param align-loop-iterations=3 --param scev-max-expr-size=139 --param omega-eliminate-redundant-constraints=1 --param max-sched-region-blocks=19 --param sched-state-edge-prob-cutoff=80 --param selsched-insns-to-rename=4 --param integer-share-limit=206 --param l2-cache-size=56 --param use-canonical-types=1 --param switch-conversion-max-branch-ratio=6 --param loop-block-tile-size=63 --param loop-max-datarefs-for-datadeps=747 --param slp-max-insns-in-bb=1556 --param asan-stack=1 --param asan-memintrin=1

-O3

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

default

1190.4, 1190.4, 1190.4, 1190.4

SAMSUNG SM-G357FZ

Android 4.4.4

e264319b60b446f5

1.17

0.89

-O3 -fcprop-registers -fcse-follow-jumps -fno-function-sections -fno-isolate-erroneous-paths-attribute -fno-loop-nest-optimize -fno-inline -fsched-interblock -fsched-spec -fsigned-zeros -fno-trapping-math -fno-optimize-sibling-calls -fno-rename-registers -fno-sched-group-heuristic -ftree-phiprop -funroll-loops -fvect-cost-model --param max-inline-recursive-depth-auto=10 --param inline-unit-growth=49 --param large-stack-frame-growth=58 --param max-peel-times=7 --param hot-bb-frequency-fraction=1334 --param iv-always-prune-cand-set-bound=2 --param omega-eliminate-redundant-constraints=0 --param sink-frequency-threshold=26 --param min-spec-prob=13 --param sched-mem-true-dep-cost=0 --param allow-store-data-races=0 --param allow-packed-store-data-races=1 --param tree-reassoc-width=0 --param max-tail-merge-iterations=1 --param asan-globals=0 --param asan-memintrin=0

-O3

milepost-codelet-mibench-telecomm-adpcm-d-src-adpcm-codelet-1-1

default

SAMSUNG SM-G357FZ

Android 4.4.4

e04cca3083414b8a

1.17

0.80

-O3 -fcaller-saves -fcx-limited-range -fdce -fno-devirtualize-speculatively -fgcse -fgcse-las -finline-small-functions -fno-ipa-cp-clone -fipa-reference -fno-loop-interchange -fno-sched-spec-load -fsched-spec-load-dangerous -fshrink-wrap -fno-split-ivs-in-unroller -fno-tracer -fno-tree-dce -ftree-dominator-opts -ftree-loop-if-convert -ftree-loop-distribution -ftree-vectorize -funroll-all-loops -fira-region=all --param predictable-branch-outcome=6 --param max-inline-insns-single=419 --param partial-inlining-entry-probability=103 --param ipcp-unit-growth=15 --param max-peel-times=18 --param max-peel-branches=39 --param hot-bb-frequency-fraction=1695 --param min-crossjump-insns=6 --param omega-max-vars=78 --param omega-max-eqs=103 --param max-pipeline-region-insns=394 --param max-sched-insn-conflict-delay=1 --param sched-state-edge-prob-cutoff=84 --param max-fields-for-field-sensitive=0 --param slp-max-insns-in-bb=1213 --param case-values-threshold=0 --param allow-load-data-races=1 --param tree-reassoc-width=0 --param uninit-control-dep-attempts=742

-O3

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

default

1190.4, 1190.4, 1190.4, 1190.4

SAMSUNG SM-G357FZ

Android 4.4.4

8a2a21c8a886ab86

1.12

0.28

-O3 -fcombine-stack-adjustments -fdelayed-branch -fgcse-after-reload -fno-if-conversion -fif-conversion2 -flto -fpartial-inlining -fsched-last-insn-heuristic -fstrict-aliasing -fno-strict-overflow -funsafe-loop-optimizations -fvariable-expansion-in-unroller --param max-inline-insns-recursive=139 --param max-early-inliner-iterations=0 --param gcse-after-reload-partial-fraction=1 --param max-peel-times=28 --param max-completely-peeled-insns=34 --param max-unswitch-insns=65 --param sms-dfa-history=0 --param max-cse-insns=1089 --param scev-max-expr-complexity=9 --param max-cselib-memory-locations=30 --param sched-mem-true-dep-cost=1 --param prefetch-latency=251 --param l1-cache-line-size=20 --param use-canonical-types=0 --param max-vartrack-size=89281375 --param tree-reassoc-width=0

-O3

cbench-network-dijkstra

default

cdataset-dijkstra-0001

data.txt

SAMSUNG SM-G357FZ

Android 4.4.4

7a84d383dd413fb7

1.10

0.91

-O3 -fbtr-bb-exclusive -fdata-sections -fdevirtualize-speculatively -fgcse-sm -fno-isolate-erroneous-paths-dereference -fno-isolate-erroneous-paths-attribute -fno-keep-static-consts -fno-modulo-sched-allow-regmoves -fno-math-errno -fsched-spec -fpredictive-commoning -fsched2-use-superblocks -fselective-scheduling2 -fstrict-overflow -fthread-jumps -ftree-bit-ccp -ftree-ccp -fno-tree-phiprop -fno-tree-tail-merge -funroll-loops -fno-vect-cost-model --param large-function-insns=2202 --param gcse-after-reload-critical-fraction=15 --param max-average-unrolled-insns=87 --param max-completely-peel-loop-nest-depth=0 --param max-unswitch-insns=84 --param tracer-min-branch-ratio=67 --param tracer-min-branch-probability-feedback=67 --param iv-max-considered-uses=205 --param scev-max-expr-complexity=6 --param max-sched-region-insns=152 --param max-last-value-rtl=226 --param switch-conversion-max-branch-ratio=14 --param graphite-max-nb-scop-params=10 --param loop-max-datarefs-for-datadeps=623 --param loop-invariant-max-bbs-in-loop=863 --param min-insn-to-prefetch-ratio=9 --param allow-load-data-races=0 --param allow-packed-load-data-races=0 --param asan-globals=0

-O3

milepost-codelet-mibench-office-ghostscript-src-gdevpbm-codelet-1-1

default

SAMSUNG SM-G357FZ

Android 4.4.4

18d0cc754ef29a57

1.10

0.99

-O3 -fipa-sra -fforward-propagate -fno-gcse-after-reload -fno-if-conversion -fira-loop-pressure -fno-ira-share-save-slots -fno-trapping-math -fomit-frame-pointer -freorder-blocks -freschedule-modulo-scheduled-loops -fno-sched-spec-insn-heuristic -fsched-rank-heuristic -fsched-last-insn-heuristic -fno-signaling-nans -fno-tracer -fno-tree-loop-distribution -ftree-reassoc -fexcess-precision=standard -ffp-contract=on -finline-limit=0 --param max-inline-insns-single=530 --param large-function-growth=62 --param early-inlining-insns=7 --param max-gcse-insertion-ratio=22 --param gcse-after-reload-critical-fraction=20 --param gcse-cost-distance-ratio=1 --param max-average-unrolled-insns=106 --param tracer-min-branch-ratio=4 --param tracer-min-branch-probability=69 --param max-cse-path-length=4 --param iv-consider-all-candidates-bound=1 --param omega-max-vars=181 --param omega-eliminate-redundant-constraints=1 --param vect-max-version-for-alignment-checks=3 --param sched-mem-true-dep-cost=1 --param max-last-value-rtl=3491 --param prefetch-latency=352 --param simultaneous-prefetches=1 --param max-partial-antic-length=73 --param switch-conversion-max-branch-ratio=16 --param max-vartrack-expr-depth=12 --param ipa-cp-value-list-size=16 --param ipa-cp-eval-threshold=157 --param ipa-cp-array-index-hint-bonus=62 --param allow-packed-store-data-races=0 --param sched-pressure-algorithm=2 --param max-slsr-cand-scan=509693

-O3

milepost-codelet-mibench-consumer-lame-src-fft-codelet-2-1

default

1209.6, 1209.6, 1209.6, 1209.6

OPPO A37F

Android 5.1.1

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