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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
3bd27ebca64d24ad
Discuss (optimizations to improve compilers,
semantic/data set/hardware features
to improve predictions
, etc):
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All solutions in JSON
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Reproduce all (with reactions):
ck replay 8289e0cf24346aa7:3bd27ebca64d24ad
Compiler
GCC 4.9
CPU
sun8i
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
OS
Replay
S1
f09957fcb10f0421
1.37
0.99
-O3 -fcompare-elim -fdce -fdevirtualize -fno-dse -fearly-inlining -ffloat-store -fno-gcse-lm -fno-graphite-identity -floop-parallelize-all -fmerge-all-constants -fpredictive-commoning -fno-selective-scheduling2 -fno-shrink-wrap -fno-tree-bit-ccp -fno-tree-pre -ftree-slsr -ftree-ter --param comdat-sharing-probability=28 --param gcse-after-reload-partial-fraction=5 --param max-hoist-depth=38 --param max-unroll-times=10 --param max-peel-times=4 --param sms-min-sc=2 --param tracer-min-branch-probability-feedback=28 --param min-insn-to-prefetch-ratio=10 --param max-vartrack-expr-depth=2 --param ipa-cp-loop-hint-bonus=26 --param tree-reassoc-width=0 --param asan-use-after-return=1
-O3
1
0
2
1
milepost-codelet-mibench-security-pgp-e-src-mpilib-codelet-3-1
default
1
TABLETEXPRESS X10
Android 5.1.1
S2
4d9a6597945a9d2f
1.25
0.21
-O3 -fno-btr-bb-exclusive -fno-fat-lto-objects -ffloat-store -fgcse-lm -fkeep-inline-functions -flto -freorder-blocks-and-partition -fno-rounding-math -fno-sched-spec-load -fsel-sched-pipelining -fno-tree-loop-optimize -fno-tree-vectorize -funit-at-a-time -fsched-stalled-insns-dep=0 --param inline-min-speedup=19 --param min-vect-loop-bound=2 --param max-pending-list-length=28 --param ipcp-unit-growth=0 --param large-stack-frame=189 --param gcse-unrestricted-cost=1 --param max-completely-peeled-insns=116 --param max-unswitch-level=5 --param max-iterations-to-track=863 --param tracer-max-code-growth=88 --param max-cse-insns=131 --param iv-consider-all-candidates-bound=27 --param sink-frequency-threshold=74 --param max-sched-region-insns=96 --param max-sched-extend-regions-iters=0 --param sched-mem-true-dep-cost=0 --param prefetch-latency=55 --param max-vartrack-expr-depth=0 --param ipa-cp-eval-threshold=553 --param lto-partitions=31 --param max-slsr-cand-scan=138196 --param asan-memintrin=0
-O3
1
0
2
1
milepost-codelet-mibench-consumer-tiffmedian-src-tiffmedian-codelet-6-1
default
1
TABLETEXPRESS X10
Android 5.1.1
S3
f18481bbae302989
1.25
1.00
-O3 -fcprop-registers -fno-cx-fortran-rules -fgcse -fno-if-conversion2 -fno-indirect-inlining -fipa-cp -fipa-pure-const -fno-ipa-reference -fira-loop-pressure -fisolate-erroneous-paths-attribute -fmodulo-sched-allow-regmoves -fbranch-count-reg -fpeephole -fno-ree -fsched-pressure -fsched-spec-load-dangerous -fschedule-insns -fsection-anchors -fno-split-wide-types -fthread-jumps -ftree-copyrename -ftree-pta --param max-inline-insns-recursive-auto=384 --param max-variable-expansions-in-unroller=2 --param gcse-after-reload-partial-fraction=1 --param max-iterations-to-track=378 --param sms-loop-average-count-threshold=0 --param builtin-expect-probability=70 --param iv-always-prune-cand-set-bound=8 --param omega-max-vars=3 --param omega-max-eqs=72 --param max-reload-search-insns=35 --param max-sched-region-insns=1 --param max-sched-extend-regions-iters=0 --param ssp-buffer-size=13 --param max-fields-for-field-sensitive=0 --param max-sched-ready-insns=61 --param ipa-cp-eval-threshold=695
-O3
1
0
2
1
milepost-codelet-mibench-telecomm-gsm-src-rpe-codelet-4-1
default
1
TABLETEXPRESS X10
Android 5.1.1
S4
4abe8b5afccde180
1.22
1.00
-O3 -fbtr-bb-exclusive -fcheck-data-deps -fcrossjumping -fno-gcse-lm -fira-share-spill-slots -fno-defer-pop -fpredictive-commoning -fno-split-wide-types -fvariable-expansion-in-unroller -ffp-contract=off --param gcse-after-reload-partial-fraction=4 --param gcse-after-reload-critical-fraction=8 --param max-peel-times=23 --param max-once-peeled-insns=573 --param max-predicted-iterations=122 --param tracer-max-code-growth=169 --param max-grow-copy-bb-insns=1 --param max-cse-path-length=5 --param min-spec-prob=63 --param selsched-insns-to-rename=2 --param loop-max-datarefs-for-datadeps=976 --param allow-store-data-races=1 --param uninit-control-dep-attempts=349
-O3
1
0
2
1
milepost-codelet-mibench-consumer-lame-src-newmdct-codelet-3-1
default
1008, 1008, 1008, 1008, 1008, 1008, 1008, 1008
1
TABLETEXPRESS X10
Android 5.1.1
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