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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	5e81cccf744e58b9

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 8289e0cf24346aa7:5e81cccf744e58b9

Compiler	GCC 4.9
CPU	----
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

b05a460cb8244b37

1.64

1.00

-O3 -fno-cx-fortran-rules -fdata-sections -fhoist-adjacent-loads -fno-ipa-pta -fno-branch-count-reg -fno-function-cse -fno-partial-inlining -fno-peel-loops -fno-prefetch-loop-arrays -fno-reschedule-modulo-scheduled-loops -fno-shrink-wrap -fno-tree-loop-ivcanon -ftree-pta -ftree-reassoc -ftree-slsr -ftree-sra -fvariable-expansion-in-unroller --param max-modulo-backtrack-attempts=73 --param large-stack-frame-growth=1628 --param gcse-cost-distance-ratio=16 --param sms-dfa-history=0 --param unlikely-bb-count-fraction=6996 --param align-loop-iterations=3 --param max-predicted-iterations=87 --param scev-max-expr-size=167 --param scev-max-expr-complexity=13 --param omega-max-vars=18 --param max-dse-active-local-stores=1454 --param cxx-max-namespaces-for-diagnostic-help=550

-O3

milepost-codelet-mibench-automotive-bitcount-src-bitcnt-1-codelet-2-1

default

LGE NEXUS 5X

Android 6.0.1

4e719f826a77ab3b

1.57

1.00

-O3 -fbranch-probabilities -fno-dse -fforward-propagate -fno-if-conversion2 -fno-ipa-cp-clone -fmerge-constants -fno-modulo-sched-allow-regmoves -fpeel-loops -fno-sched-spec-insn-heuristic -fno-thread-jumps -ftree-bit-ccp -fno-tree-dominator-opts -fno-tree-phiprop -ftree-vectorize -falign-labels=0 -fexcess-precision=fast -finline-limit=0 --param max-variable-expansions-in-unroller=0 --param gcse-after-reload-partial-fraction=1 --param max-once-peeled-insns=692 --param hot-bb-frequency-fraction=132 --param min-crossjump-insns=4 --param omega-max-geqs=42 --param max-sched-region-insns=87 --param loop-max-datarefs-for-datadeps=1897 --param asan-memintrin=0

-O3

milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-3-1

default

LGE NEXUS 5X

Android 6.0.1

d8d09bdf4bf667ca

1.13

1.00

-O3 -fno-branch-target-load-optimize -fdata-sections -fno-delayed-branch -fearly-inlining -fno-expensive-optimizations -finline-functions-called-once -fipa-cp -fipa-pure-const -fno-ira-share-save-slots -fno-isolate-erroneous-paths-dereference -floop-parallelize-all -fmath-errno -fno-signed-zeros -fno-rounding-math -fno-sched2-use-superblocks -fsched-critical-path-heuristic -fno-schedule-insns2 -fno-sel-sched-pipelining-outer-loops -fno-tree-dce -fno-tree-dominator-opts -fno-tree-loop-linear -ftree-vectorize --param max-peel-times=5 --param max-peel-branches=42 --param max-completely-peel-loop-nest-depth=12 --param max-iterations-to-track=1040 --param align-threshold=136 --param tracer-min-branch-probability-feedback=53 --param max-sched-region-insns=37 --param max-pipeline-region-insns=365 --param max-sched-extend-regions-iters=0 --param selsched-insns-to-rename=0 --param l1-cache-size=65 --param sccvn-max-alias-queries-per-access=1724 --param lra-max-considered-reload-pseudos=464 --param loop-max-datarefs-for-datadeps=307 --param max-vartrack-reverse-op-size=23 --param ipa-sra-ptr-growth-factor=4 --param asan-globals=0

-O3

milepost-codelet-mibench-automotive-susan-s-src-susan-codelet-1-1

default

LGE NEXUS 5X

Android 6.0.1

699c557e4041159a

1.10

1.00

-O3 -fno-check-data-deps -fcprop-registers -fexpensive-optimizations -fno-float-store -fno-function-sections -fgcse -fmerge-constants -fno-modulo-sched -fno-peephole2 -fsched-interblock -fsched-spec -ftrapping-math -fzero-initialized-in-bss -fno-rename-registers -fno-sched-spec-load -fsched-group-heuristic -fsection-anchors -fno-tree-bit-ccp -ftree-copy-prop -ftree-loop-optimize -fweb -fno-whole-program -ffp-contract=fast -fira-algorithm=priority -fsched-stalled-insns=0 --param max-inline-recursive-depth=11 --param large-function-growth=179 --param max-hoist-depth=0 --param max-peel-times=28 --param max-once-peeled-insns=569 --param hot-bb-count-ws-permille=829 --param min-crossjump-insns=10 --param vect-max-version-for-alignment-checks=7 --param max-dse-active-local-stores=4181 --param simultaneous-prefetches=0 --param graphite-max-nb-scop-params=12 --param prefetch-min-insn-to-mem-ratio=1 --param cxx-max-namespaces-for-diagnostic-help=651

-O3

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

default

LGE NEXUS 5X

Android 6.0.1

2b913f6ee24d0945

1.10

1.00

-O3 -fcprop-registers -fgcse-las -fno-hoist-adjacent-loads -fif-conversion2 -findirect-inlining -fno-zero-initialized-in-bss -fno-omit-frame-pointer -fsched-spec-load -fno-sched-dep-count-heuristic -fsection-anchors -ftree-ccp -fno-tree-copyrename -ftree-dse -ftree-fre -fno-tree-loop-if-convert -falign-functions=0 -fira-algorithm=CB --param max-delay-slot-live-search=343 --param max-hoist-depth=50 --param max-peel-times=30 --param hot-bb-count-ws-permille=757 --param builtin-expect-probability=36 --param lim-expensive=20 --param omega-hash-table-size=266 --param vect-max-version-for-alignment-checks=12 --param max-sched-extend-regions-iters=0 --param sched-spec-prob-cutoff=55 --param ssp-buffer-size=7 --param ipa-max-agg-items=2 --param allow-packed-load-data-races=0 --param tree-reassoc-width=0

-O3

milepost-codelet-mibench-consumer-tiff2rgba-src-tif-predict-codelet-4-1

default

LGE NEXUS 5X

Android 6.0.1

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