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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	74eb196246a8b2a7

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 8289e0cf24346aa7:74eb196246a8b2a7

Compiler	GCC 4.9
CPU	sc8830
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

aad352e7f43ee591

2.41

0.27

-O3 -fno-associative-math -fno-branch-target-load-optimize2 -fipa-pta -fira-hoist-pressure -fira-share-save-slots -floop-block -fno-loop-interchange -flto -fmodulo-sched-allow-regmoves -fno-move-loop-invariants -fsched-interblock -fno-reciprocal-math -fno-rerun-cse-after-loop -fno-sched-spec-load -fsched-rank-heuristic -fsched-dep-count-heuristic -fsingle-precision-constant -fno-tree-partial-pre -ftree-sink -fno-use-linker-plugin -falign-jumps=0 --param predictable-branch-outcome=38 --param max-inline-insns-auto=29 --param max-inline-insns-recursive-auto=477 --param gcse-unrestricted-cost=0 --param max-average-unrolled-insns=125 --param max-peeled-insns=66 --param max-peel-branches=13 --param max-once-peeled-insns=763 --param max-iterations-to-track=1408 --param max-crossjump-edges=82 --param max-goto-duplication-insns=13 --param integer-share-limit=467 --param ira-max-conflict-table-size=1136 --param switch-conversion-max-branch-ratio=11 --param graphite-max-nb-scop-params=7

-O3

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

default

SAMSUNG GT-I9060I

Android 4.4.4

7d0469cc814e68a7

1.63

1.07

-O3 -fno-dse -findirect-inlining -fira-hoist-pressure -fisolate-erroneous-paths-attribute -fno-keep-inline-functions -fno-merge-constants -fsched-spec -ftoplevel-reorder -fpeel-loops -fno-reorder-blocks-and-partition -fsched2-use-superblocks -fsched-last-insn-heuristic -fschedule-insns2 -fsel-sched-pipelining -fsingle-precision-constant -fno-strict-overflow -fno-tree-loop-im -fno-unroll-loops -fno-unsafe-loop-optimizations --param max-inline-insns-recursive-auto=141 --param min-vect-loop-bound=2 --param max-delay-slot-live-search=559 --param ipcp-unit-growth=18 --param max-peel-times=18 --param hot-bb-count-ws-permille=705 --param max-goto-duplication-insns=6 --param lim-expensive=33 --param omega-max-geqs=440 --param omega-max-wild-cards=8 --param sched-state-edge-prob-cutoff=29 --param selsched-max-lookahead=52 --param selsched-insns-to-rename=2 --param l1-cache-line-size=13 --param switch-conversion-max-branch-ratio=10 --param loop-block-tile-size=55 --param asan-use-after-return=0

-O3

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

default

SAMSUNG GT-I9060I

Android 4.4.4

38055b840eb32a99

1.50

0.23

-O3 -fdelayed-branch -fdevirtualize-speculatively -ffunction-sections -fno-gcse -floop-interchange -floop-strip-mine -flto -fno-defer-pop -fguess-branch-probability -fno-peephole -fsched-spec -fzero-initialized-in-bss -fno-sched-critical-path-heuristic -fselective-scheduling -fno-single-precision-constant -fno-split-ivs-in-unroller -fno-tree-loop-distribution -fno-tree-pre -fno-tree-switch-conversion -falign-loops=0 -ffp-contract=off --param max-inline-insns-auto=66 --param min-inline-recursive-probability=9 --param max-variable-expansions-in-unroller=2 --param min-vect-loop-bound=2 --param large-function-growth=16 --param early-inlining-insns=11 --param gcse-after-reload-partial-fraction=2 --param gcse-cost-distance-ratio=15 --param max-completely-peel-times=23 --param hot-bb-frequency-fraction=1593 --param max-cse-path-length=17 --param omega-hash-table-size=894 --param max-sched-ready-insns=107 --param sccvn-max-alias-queries-per-access=534 --param slp-max-insns-in-bb=402 --param ipa-cp-loop-hint-bonus=85 --param ipa-cp-array-index-hint-bonus=85 --param lto-min-partition=848 --param allow-load-data-races=0 --param asan-stack=1

-O3

milepost-codelet-mibench-consumer-lame-src-takehiro-codelet-16-1

default

SAMSUNG GT-I9060I

Android 4.4.4

d98b246379bab434

1.18

0.98

-O3 -fno-associative-math -fcombine-stack-adjustments -fconserve-stack -fcx-fortran-rules -fdata-sections -finline-functions -fisolate-erroneous-paths-attribute -fno-live-range-shrinkage -fno-loop-interchange -fmerge-all-constants -fbranch-count-reg -fno-sched-spec -fno-rename-registers -fno-selective-scheduling2 -fno-tracer -fno-tree-bit-ccp -ftree-ccp -fno-tree-vrp -fexcess-precision=standard --param comdat-sharing-probability=29 --param partial-inlining-entry-probability=111 --param max-pending-list-length=47 --param early-inlining-insns=9 --param max-hoist-depth=29 --param max-unrolled-insns=282 --param max-average-unrolled-insns=152 --param max-predicted-iterations=72 --param iv-consider-all-candidates-bound=17 --param min-spec-prob=18 --param min-size-for-stack-sharing=58 --param max-dse-active-local-stores=3139 --param max-vartrack-reverse-op-size=1 --param ipa-sra-ptr-growth-factor=3 --param ipa-cp-loop-hint-bonus=97 --param case-values-threshold=0 --param max-tail-merge-comparisons=19 --param asan-globals=0

-O3

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

default

SAMSUNG GT-I9060I

Android 4.4.4

f3e1439792298e66

1.15

0.87

-O3 -fassociative-math -fcombine-stack-adjustments -fcrossjumping -fcse-skip-blocks -fdce -fira-share-spill-slots -fbranch-count-reg -fno-inline -fno-sched-last-insn-heuristic -ftracer -fno-tree-copy-prop -ftree-loop-ivcanon -ftree-loop-linear -fno-tree-slsr -fno-tree-switch-conversion -funsafe-loop-optimizations -funswitch-loops -ffp-contract=on -ftree-parallelize-loops=0 --param max-peel-times=9 --param sms-min-sc=4 --param max-goto-duplication-insns=11 --param vect-max-peeling-for-alignment=31 --param max-sched-region-insns=83 --param lra-max-considered-reload-pseudos=490 --param prefetch-min-insn-to-mem-ratio=3 --param ipa-sra-ptr-growth-factor=3 --param tree-reassoc-width=0 --param max-tracked-strlens=564 --param uninit-control-dep-attempts=1129

-O3

milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-5-1

default

SAMSUNG GT-I9060I

Android 4.4.4

c4982a809d3dc992

1.15

0.79

-O3 -fconserve-stack -fno-fat-lto-objects -fforward-propagate -finline-functions-called-once -fira-share-save-slots -fno-rerun-cse-after-loop -fsingle-precision-constant -fno-split-wide-types -fno-tree-reassoc -fno-tree-ter -funit-at-a-time -funroll-all-loops --param predictable-branch-outcome=11 --param max-inline-insns-recursive=720 --param gcse-after-reload-critical-fraction=17 --param max-unswitch-insns=57 --param max-grow-copy-bb-insns=16 --param lim-expensive=12 --param omega-max-vars=13 --param max-sched-region-insns=181 --param sched-state-edge-prob-cutoff=98 --param ssp-buffer-size=7 --param use-canonical-types=0 --param max-partial-antic-length=41 --param graphite-max-nb-scop-params=16 --param ipa-cp-eval-threshold=643 --param ipa-cp-array-index-hint-bonus=45

-O3

milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1

default

SAMSUNG GT-I9060I

Android 4.4.4

4838ad546ab0cfe3

1.11

0.81

-O3 -fcombine-stack-adjustments -fcse-skip-blocks -fdelete-null-pointer-checks -ffloat-store -finline-functions-called-once -fno-ira-loop-pressure -fno-inline -fno-peel-loops -fno-reorder-blocks-and-partition -fsched-spec-insn-heuristic -fsched-rank-heuristic -fschedule-insns -fno-single-precision-constant -ftree-bit-ccp -fno-tree-ccp -ftree-loop-if-convert-stores -ftree-ter -funroll-loops -fira-algorithm=priority --param max-modulo-backtrack-attempts=54 --param max-unrolled-insns=350 --param unlikely-bb-count-fraction=9753 --param lim-expensive=6 --param iv-max-considered-uses=43 --param simultaneous-prefetches=2 --param min-insn-to-prefetch-ratio=12 --param max-vartrack-reverse-op-size=94 --param ipa-sra-ptr-growth-factor=4 --param lto-min-partition=1312 --param allow-load-data-races=0 --param max-slsr-cand-scan=125968

-O3

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

default

SAMSUNG GT-I9060I

Android 4.4.4

0a724957a565b254

1.11

1.23

-O3 -fno-branch-target-load-optimize -fbranch-target-load-optimize2 -fdelayed-branch -fno-fat-lto-objects -ffast-math -fif-conversion -fipa-pta -fisolate-erroneous-paths-attribute -fno-move-loop-invariants -fno-defer-pop -fno-inline -fno-rerun-cse-after-loop -frounding-math -fselective-scheduling -fno-sel-sched-pipelining -fsingle-precision-constant -ftree-copyrename -fno-unsafe-loop-optimizations -falign-functions=0 -falign-loops=0 -fexcess-precision=standard --param inline-min-speedup=10 --param max-early-inliner-iterations=0 --param large-function-growth=95 --param early-inlining-insns=15 --param max-completely-peeled-insns=43 --param max-unswitch-level=2 --param hot-bb-count-ws-permille=324 --param hot-bb-frequency-fraction=1699 --param align-threshold=58 --param max-grow-copy-bb-insns=2 --param omega-max-geqs=478 --param omega-max-wild-cards=29 --param omega-eliminate-redundant-constraints=0 --param sink-frequency-threshold=23 --param sched-mem-true-dep-cost=0 --param ssp-buffer-size=10 --param max-jump-thread-duplication-stmts=19 --param simultaneous-prefetches=3 --param tm-max-aggregate-size=11 --param allow-load-data-races=1 --param sched-pressure-algorithm=1

-O3

milepost-codelet-mibench-telecomm-gsm-src-short-term-codelet-2-1

default

SAMSUNG GT-I9060I

Android 4.4.4

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