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

Scenario UID8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UID5e4522a4742e7f65
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 8289e0cf24346aa7:5e4522a4742e7f65
CompilerGCC 4.9
CPUQualcomm MSM 8974 HAMMERHEAD (Flattened Device Tree)
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 90de7f4e969d739b 4.99 0.99 -O3 -fcheck-data-deps -fdelete-null-pointer-checks -fipa-sra -fno-gcse -fno-gcse-sm -fno-loop-strip-mine -finline -fno-omit-frame-pointer -fno-peel-loops -fno-rename-registers -fsection-anchors -fsignaling-nans -fno-tree-forwprop -ftree-loop-distribute-patterns -fno-tree-slsr -funit-at-a-time -falign-functions=0 -falign-loops=0 -fexcess-precision=standard --param max-inline-insns-single=406 --param gcse-after-reload-partial-fraction=0 --param max-unswitch-level=1 --param max-predicted-iterations=20 --param max-crossjump-edges=102 --param scev-max-expr-size=121 --param max-sched-region-blocks=12 --param sched-mem-true-dep-cost=2 --param loop-max-datarefs-for-datadeps=433 --param max-vartrack-reverse-op-size=94 --param ipa-cp-array-index-hint-bonus=31 -O3 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-10-1 default 1 LGE NEXUS 5 Android 6.0.1
S2 36a90ffa46dc1cee 3.09 1.00 -O3 -fcprop-registers -fira-hoist-pressure -fira-share-spill-slots -fno-keep-inline-functions -fkeep-static-consts -fno-move-loop-invariants -fselective-scheduling -fno-sel-sched-pipelining-outer-loops -fno-tree-sra -funit-at-a-time -finline-limit=0 --param max-inline-insns-auto=45 --param max-inline-insns-recursive=9 --param large-stack-frame=21 --param gcse-cost-distance-ratio=6 --param max-peeled-insns=194 --param sms-dfa-history=0 --param tracer-min-branch-probability=10 --param lim-expensive=34 --param vect-max-version-for-alias-checks=10 --param max-reload-search-insns=162 --param max-sched-region-insns=149 --param selsched-max-sched-times=2 --param min-insn-to-prefetch-ratio=4 --param max-vartrack-reverse-op-size=26 --param ipa-max-agg-items=2 --param asan-memintrin=1 -O3 1 0 2 1 milepost-codelet-mibench-consumer-jpeg-c-src-jchuff-codelet-9-1 default 1 LGE NEXUS 5 Android 6.0.1
S3 4247b7681a7cf30b 1.90 1.06 -O3 -fno-branch-target-load-optimize -fno-combine-stack-adjustments -fno-devirtualize-speculatively -fno-inline-functions-called-once -fira-hoist-pressure -fivopts -floop-nest-optimize -fno-merge-all-constants -fno-sched-last-insn-heuristic -fselective-scheduling2 -fno-tree-dse -fno-tree-reassoc -fweb -fira-algorithm=priority --param max-delay-slot-live-search=222 --param ipcp-unit-growth=12 --param early-inlining-insns=4 --param gcse-cost-distance-ratio=0 --param max-unroll-times=8 --param max-completely-peel-loop-nest-depth=12 --param tracer-min-branch-probability=17 --param lim-expensive=16 --param scev-max-expr-complexity=4 --param max-cselib-memory-locations=544 --param max-sched-region-blocks=18 --param selsched-max-sched-times=3 --param integer-share-limit=98 --param min-insn-to-prefetch-ratio=3 --param max-vartrack-reverse-op-size=12 --param ipa-cp-value-list-size=13 --param ipa-cp-loop-hint-bonus=23 --param asan-instrument-reads=1 --param asan-memintrin=0 -O3 1 0 2 1 milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1 default audio-wav-0001 data.wav 1 LGE NEXUS 5 Android 6.0.1
S4 85c1fa436e99185a 1.87 0.79 -O3 -fno-cprop-registers -fno-dse -fexpensive-optimizations -fno-indirect-inlining -fno-ipa-cp -fno-loop-interchange -fno-branch-count-reg -fno-function-cse -fno-schedule-insns -fno-strict-overflow -ftree-dce -ftree-forwprop -fno-tree-fre -ftree-partial-pre -fno-tree-sink -ftree-sra -fno-tree-switch-conversion -fno-use-linker-plugin -ffp-contract=fast -finline-limit=0 --param min-vect-loop-bound=1 --param gcse-after-reload-critical-fraction=16 --param max-completely-peel-times=21 --param sms-min-sc=3 --param unlikely-bb-count-fraction=8813 --param omega-eliminate-redundant-constraints=1 --param min-size-for-stack-sharing=58 --param ira-loop-reserved-regs=3 --param slp-max-insns-in-bb=1007 --param allow-packed-store-data-races=1 --param asan-instrument-writes=1 -O3 1 0 2 1 milepost-codelet-mibench-consumer-mad-src-layer3-codelet-5-1 default 1 LGE NEXUS 5 Android 6.0.1
S5 8a806c934c7fd2e2 1.62 1.03 -O3 -fconserve-stack -fcompare-elim -fno-expensive-optimizations -fno-gcse -fno-gcse-lm -findirect-inlining -fno-isolate-erroneous-paths-attribute -fno-ivopts -fno-modulo-sched -fguess-branch-probability -fomit-frame-pointer -fno-partial-inlining -fpeel-loops -fno-prefetch-loop-arrays -fno-reorder-functions -fsel-sched-pipelining-outer-loops -fno-strict-aliasing -ftree-builtin-call-dce -fno-tree-loop-distribute-patterns -ftree-pta -fno-tree-tail-merge -fno-unit-at-a-time -funsafe-math-optimizations -fno-unswitch-loops -falign-jumps=0 -falign-loops=0 --param max-inline-insns-single=447 --param comdat-sharing-probability=35 --param partial-inlining-entry-probability=26 --param max-delay-slot-live-search=666 --param max-pending-list-length=26 --param max-average-unrolled-insns=92 --param max-completely-peel-times=0 --param max-unswitch-level=6 --param hot-bb-count-ws-permille=293 --param hot-bb-frequency-fraction=1664 --param tracer-min-branch-probability=62 --param max-crossjump-edges=179 --param lim-expensive=7 --param omega-max-wild-cards=19 --param max-pipeline-region-blocks=29 --param max-pipeline-region-insns=34 --param min-spec-prob=35 --param selsched-insns-to-rename=1 --param integer-share-limit=288 --param graphite-max-bbs-per-function=92 --param slp-max-insns-in-bb=1748 --param prefetch-min-insn-to-mem-ratio=4 --param max-vartrack-reverse-op-size=3 --param allow-load-data-races=1 --param max-tail-merge-comparisons=14 --param asan-globals=1 -O3 1 0 2 1 milepost-codelet-mibench-automotive-basicmath-cubic-codelet-3-1 default 1 LGE NEXUS 5 Android 6.0.1
S6 6a4a179846232354 1.60 1.00 -O3 -fcse-follow-jumps -fno-delayed-branch -fdelete-null-pointer-checks -fipa-cp -freorder-blocks -fsched-group-heuristic -fsched-dep-count-heuristic -fsection-anchors -ftree-copyrename -fno-tree-dce -ftree-partial-pre -fno-tree-vrp -fno-unsafe-math-optimizations --param max-inline-recursive-depth=11 --param max-delay-slot-insn-search=112 --param max-delay-slot-live-search=0 --param large-function-growth=117 --param max-gcse-insertion-ratio=23 --param gcse-after-reload-partial-fraction=5 --param vect-max-peeling-for-alignment=3 --param max-cselib-memory-locations=865 --param sched-mem-true-dep-cost=1 --param min-size-for-stack-sharing=4 --param max-dse-active-local-stores=7081 --param max-partial-antic-length=115 --param sccvn-max-scc-size=5605 --param ira-max-loops-num=174 --param ira-loop-reserved-regs=2 --param max-vartrack-expr-depth=3 --param ipa-max-agg-items=0 --param allow-load-data-races=1 --param max-slsr-cand-scan=534518 --param asan-instrument-writes=1 --param asan-instrument-reads=1 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-9-1 default 1 LGE NEXUS 5 Android 6.0.1
S7 4b7f504e94b3f827 1.60 1.03 -O3 -fcprop-registers -fgcse-lm -fif-conversion2 -fno-ipa-cp -fno-modulo-sched-allow-regmoves -fdefer-pop -fno-peephole -fno-toplevel-reorder -freorder-functions -fselective-scheduling2 -fno-sel-sched-pipelining -fno-tree-coalesce-vars -ftree-reassoc -fno-tree-sink -fweb -ftree-parallelize-loops=0 --param max-inline-insns-auto=21 --param comdat-sharing-probability=19 --param max-variable-expansions-in-unroller=1 --param max-delay-slot-insn-search=176 --param max-modulo-backtrack-attempts=48 --param early-inlining-insns=15 --param tracer-max-code-growth=166 --param tracer-min-branch-probability=99 --param max-grow-copy-bb-insns=3 --param max-cse-path-length=11 --param omega-max-wild-cards=10 --param vect-max-version-for-alignment-checks=12 --param max-cselib-memory-locations=847 --param sched-spec-prob-cutoff=19 --param selsched-insns-to-rename=3 --param ipa-cp-value-list-size=16 --param lto-partitions=63 --param cxx-max-namespaces-for-diagnostic-help=939 --param max-stores-to-sink=2 --param sched-pressure-algorithm=1 --param asan-instrument-reads=1 -O3 1 0 2 1 cbench-security-rijndael encode pgp-0001 data.pgp 1 LGE NEXUS 5 Android 6.0.1
S8 9671d394c8b80708 1.52 1.00 -O3 -fno-combine-stack-adjustments -fcse-follow-jumps -fdevirtualize -fearly-inlining -ffloat-store -fforward-propagate -fsched-spec -fno-signed-zeros -fno-toplevel-reorder -fsched2-use-superblocks -ftree-loop-if-convert-stores -fno-tree-pta -ftree-reassoc -fno-tree-switch-conversion -ftree-tail-merge -fexcess-precision=fast --param max-inline-insns-auto=32 --param partial-inlining-entry-probability=110 --param max-delay-slot-live-search=518 --param large-unit-insns=6527 --param ipcp-unit-growth=10 --param large-stack-frame-growth=385 --param max-hoist-depth=29 --param max-peeled-insns=111 --param max-peel-times=10 --param tracer-min-branch-probability-feedback=89 --param max-grow-copy-bb-insns=12 --param max-cse-path-length=1 --param omega-hash-table-size=1046 --param max-sched-region-insns=199 --param ssp-buffer-size=1 --param l1-cache-size=28 --param min-insn-to-prefetch-ratio=14 --param max-vartrack-reverse-op-size=29 --param allow-store-data-races=1 --param uninit-control-dep-attempts=1848 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 1 LGE NEXUS 5 Android 6.0.1
S9 2a54219ab73f5417 1.44 1.00 -O3 -fno-check-data-deps -fcprop-registers -ffat-lto-objects -fno-loop-block -ftrapping-math -fno-rename-registers -ftree-ccp -ftree-fre -ftree-loop-if-convert -ftree-loop-im -ftree-pta -funsafe-loop-optimizations -falign-labels=0 -fira-algorithm=CB --param predictable-branch-outcome=40 --param max-delay-slot-insn-search=82 --param early-inlining-insns=10 --param large-stack-frame-growth=724 --param max-pipeline-region-blocks=7 --param selsched-max-sched-times=3 --param ssp-buffer-size=15 --param l2-cache-size=118 --param ira-max-loops-num=10 --param switch-conversion-max-branch-ratio=14 --param asan-globals=0 --param asan-instrument-writes=1 -O3 1 0 2 1 cbench-consumer-jpeg-c encode image-ppm-0001 data.ppm 1 LGE NEXUS 5 Android 6.0.1
S10 a997cefef4d5e3b4 1.39 0.79 -O3 -fno-branch-target-load-optimize2 -fno-delete-null-pointer-checks -fno-finite-math-only -fno-inline-small-functions -fira-hoist-pressure -fira-share-spill-slots -floop-interchange -fno-function-cse -fguess-branch-probability -fsched-spec-load-dangerous -ftree-dce -fno-tree-phiprop -ftree-pta -fno-tree-tail-merge -ftree-vrp -funroll-all-loops -fno-whole-program -fuse-linker-plugin --param max-peel-branches=10 --param hot-bb-count-ws-permille=254 --param omega-max-vars=48 --param vect-max-peeling-for-alignment=57 --param selsched-max-sched-times=3 --param min-size-for-stack-sharing=19 --param max-jump-thread-duplication-stmts=25 --param max-sched-ready-insns=35 --param loop-max-datarefs-for-datadeps=419 --param max-vartrack-reverse-op-size=66 --param ipa-cp-value-list-size=6 --param cxx-max-namespaces-for-diagnostic-help=998 --param tree-reassoc-width=0 -O3 1 0 2 1 milepost-codelet-mibench-telecomm-fft-fftmisc-codelet-5-1 default 1 LGE NEXUS 5 Android 6.0.1
S11 649d9b4e7d4f8394 1.38 1.02 -O3 -fno-conserve-stack -fno-delete-null-pointer-checks -fforward-propagate -fno-ipa-pta -fkeep-inline-functions -fno-loop-strip-mine -fno-loop-nest-optimize -fno-loop-parallelize-all -fmath-errno -fno-sched-spec -fno-reciprocal-math -fno-reorder-functions -fsched-pressure -fno-sched-last-insn-heuristic -fsel-sched-pipelining-outer-loops -fno-strict-overflow -ftree-bit-ccp -fno-tree-pre -fno-tree-sink -ftree-slsr -fvect-cost-model --param inline-min-speedup=20 --param max-inline-insns-single=626 --param large-function-growth=147 --param max-peel-branches=50 --param max-once-peeled-insns=33 --param unlikely-bb-count-fraction=5587 --param tracer-max-code-growth=137 --param max-cse-path-length=14 --param scev-max-expr-complexity=9 --param omega-max-vars=218 --param max-last-value-rtl=4865 --param simultaneous-prefetches=2 --param l1-cache-line-size=57 --param graphite-max-bbs-per-function=141 --param tm-max-aggregate-size=14 --param lto-min-partition=1929 --param cxx-max-namespaces-for-diagnostic-help=826 --param allow-packed-load-data-races=1 --param sched-pressure-algorithm=1 -O3 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-2-1 default 1 LGE NEXUS 5 Android 6.0.1
S12 50697604f2aa3920 1.33 1.00 -O3 -fcombine-stack-adjustments -fno-cprop-registers -fdce -ffat-lto-objects -fipa-cp -floop-nest-optimize -fmove-loop-invariants -fno-defer-pop -fno-inline -ftoplevel-reorder -fno-rename-registers -freorder-blocks-and-partition -fsched-dep-count-heuristic -fno-schedule-insns -fsplit-wide-types -ftree-bit-ccp -fno-tree-fre -ftree-loop-im -ftree-vectorize -fno-use-linker-plugin -falign-functions=0 -falign-labels=0 -falign-loops=0 -fira-algorithm=CB --param large-stack-frame-growth=1659 --param gcse-after-reload-critical-fraction=11 --param max-completely-peel-times=2 --param align-threshold=77 --param max-cse-insns=1841 --param scev-max-expr-size=169 --param omega-max-keys=547 --param ira-max-conflict-table-size=1352 --param switch-conversion-max-branch-ratio=10 --param graphite-max-nb-scop-params=19 --param loop-invariant-max-bbs-in-loop=16056 --param ipa-max-agg-items=9 --param ipa-cp-loop-hint-bonus=111 --param lto-partitions=57 --param allow-load-data-races=1 --param allow-packed-load-data-races=0 --param uninit-control-dep-attempts=1728 -O3 1 0 2 1 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default image-tiff-0001 data.tiff 1 LGE NEXUS 5 Android 6.0.1
S13 84a4a9b1f741bb21 1.21 1.07 -O3 -fassociative-math -fno-auto-inc-dec -fbranch-probabilities -fno-combine-stack-adjustments -fno-crossjumping -fcse-skip-blocks -fcx-fortran-rules -fno-delete-null-pointer-checks -fexpensive-optimizations -ffloat-store -fforward-propagate -fno-gcse -fno-ira-share-spill-slots -fno-ivopts -floop-nest-optimize -fno-merge-all-constants -fdefer-pop -fmath-errno -fno-omit-frame-pointer -fno-sel-sched-pipelining-outer-loops -fno-tree-loop-if-convert-stores -fno-tree-loop-im -ftree-partial-pre -fno-tree-sra -fno-unroll-loops -fno-unswitch-loops -falign-functions=0 -falign-loops=0 -ffp-contract=on --param max-gcse-insertion-ratio=29 --param gcse-unrestricted-cost=4 --param max-peel-times=5 --param hot-bb-frequency-fraction=959 --param builtin-expect-probability=24 --param max-crossjump-edges=96 --param max-goto-duplication-insns=9 --param vect-max-version-for-alignment-checks=0 --param sccvn-max-alias-queries-per-access=1238 --param graphite-max-bbs-per-function=198 -O3 1 0 2 1 milepost-codelet-mibench-automotive-susan-s-src-susan-codelet-1-1 default 2265.6, 2265.6, 2265.6, 2265.6 1 LGE NEXUS 5 Android 6.0.1
S14 c704c94fc6a99f9d 1.15 1.07 -O3 -fno-branch-target-load-optimize -fno-crossjumping -fno-delete-null-pointer-checks -fforward-propagate -fno-gcse-after-reload -fno-gcse-las -fno-inline-small-functions -fno-ivopts -floop-nest-optimize -fno-merge-all-constants -fno-modulo-sched-allow-regmoves -fno-peephole -fpartial-inlining -fsel-sched-pipelining -fsignaling-nans -fno-single-precision-constant -fno-tree-dominator-opts -fno-tree-fre -ftree-loop-if-convert-stores -fno-tree-loop-optimize -ftree-tail-merge -fno-whole-program --param max-inline-insns-recursive=776 --param max-inline-recursive-depth-auto=13 --param max-early-inliner-iterations=0 --param large-function-growth=116 --param ipcp-unit-growth=7 --param max-gcse-insertion-ratio=35 --param gcse-after-reload-partial-fraction=5 --param max-completely-peeled-insns=160 --param max-once-peeled-insns=319 --param max-iterations-computation-cost=13 --param tracer-min-branch-probability-feedback=60 --param min-crossjump-insns=7 --param scev-max-expr-size=53 --param max-pipeline-region-insns=217 --param sched-mem-true-dep-cost=1 --param switch-conversion-max-branch-ratio=3 --param prefetch-min-insn-to-mem-ratio=5 --param ipa-cp-array-index-hint-bonus=46 --param cxx-max-namespaces-for-diagnostic-help=129 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-6-1 default 1 LGE NEXUS 5 Android 6.0.1
S15 07486ec4062a5b5f 1.10 1.13 -O3 -fcse-skip-blocks -fno-early-inlining -fipa-sra -fno-function-sections -fgcse-las -fipa-cp-clone -fno-loop-interchange -fno-merge-all-constants -fno-peephole2 -fomit-frame-pointer -fno-reorder-blocks -frerun-cse-after-loop -fno-rounding-math -fno-tree-copy-prop -fno-tree-copyrename -ftree-loop-linear -ftree-switch-conversion -fno-unroll-loops -fsched-stalled-insns-dep=0 --param max-modulo-backtrack-attempts=37 --param max-peel-branches=25 --param max-iterations-to-track=6 --param align-threshold=31 --param align-loop-iterations=7 --param max-crossjump-edges=141 --param scev-max-expr-size=46 --param omega-max-keys=120 --param max-reload-search-insns=82 --param sink-frequency-threshold=55 --param graphite-max-bbs-per-function=151 --param ipa-cp-eval-threshold=5 --param allow-load-data-races=1 --param allow-store-data-races=1 -O3 1 0 2 1 milepost-codelet-mibench-consumer-lame-src-psymodel-codelet-17-1 default 1 LGE NEXUS 5 Android 6.0.1
S16 6ef8a25bc19fc8a2 1.09 0.99 -O3 -fassociative-math -fauto-inc-dec -fdse -fno-fast-math -fgcse-sm -fno-ipa-cp -fno-peephole -ftrapping-math -fno-optimize-sibling-calls -fno-rerun-cse-after-loop -fsched-dep-count-heuristic -fno-section-anchors -fselective-scheduling2 -fstrict-aliasing -fno-tree-copy-prop -ftree-phiprop -fno-tree-slsr -fno-unsafe-loop-optimizations -fno-use-linker-plugin --param max-inline-insns-single=0 --param max-inline-insns-recursive-auto=615 --param max-delay-slot-live-search=656 --param max-modulo-backtrack-attempts=53 --param large-function-growth=93 --param gcse-after-reload-critical-fraction=12 --param max-unroll-times=8 --param sms-dfa-history=0 --param tracer-max-code-growth=126 --param max-reload-search-insns=188 --param ssp-buffer-size=2 --param l1-cache-size=100 --param ira-max-conflict-table-size=1561 --param loop-block-tile-size=23 --param min-insn-to-prefetch-ratio=4 --param max-vartrack-size=73688526 --param ipa-sra-ptr-growth-factor=4 --param sched-pressure-algorithm=2 -O3 1 0 2 1 milepost-codelet-mibench-automotive-bitcount-src-bitcnts-codelet-1-1 default 1 LGE NEXUS 5 Android 6.0.1



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