Collective Knowledge Aggregator proof-of-concept
Crowdsourced experiments CK project Partners CK use cases AI powered by CK AI store Get CK

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

Scenario UID8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UID74eb196246a8b2a7
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
CompilerGCC 4.9
CPUsc8830
Objectivemin
Improvement key IK1Main kernel execution time speedup [min]
Improvement key IK2Code 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 OS Replay
S1 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 1 0 2 1 milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-5-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S2 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 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-10-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S3 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 1 0 2 1 milepost-codelet-mibench-consumer-lame-src-takehiro-codelet-16-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S4 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 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-2-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S5 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 1 0 2 1 milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-5-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S6 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 1 0 2 1 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S7 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 1 0 2 1 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default 1 SAMSUNG GT-I9060I Android 4.4.4
S8 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 1 0 2 1 milepost-codelet-mibench-telecomm-gsm-src-short-term-codelet-2-1 default 1 SAMSUNG GT-I9060I Android 4.4.4



[ Participated users, platforms, OS, CPU, GPU, GPGPU, NN ] [ How to participate ] [ Android app ] [ Slides ] [ CK-powered Open AI ] [ CK project website ]
View entry in raw format

Developed by dividiti,
cTuning foundation,
and the community
          
Implemented as a CK workflow
                     
   
   
                      Hosted at