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

Scenario UID2aaed4c520956635 (experiment.tune.compiler.flags.llvm.e)
Data UID422b975abf74f3c9
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 2aaed4c520956635:422b975abf74f3c9
CompilerLLVM 3.8.0
CPUMT6750
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 9b99ac7ba5cef0f7 2.54 1.05 -O3 -fno-constant-cfstrings -fno-merge-all-constants -fno-rtti -mno-implicit-float -ffp-contract=fast -O3 1 0 2 1 milepost-codelet-mibench-telecomm-fft-fourierf-codelet-3-1 default 1 LAVA A3 Android 6.0
S2 71b904764bee7d57 2.41 1.00 -O3 -fmerge-all-constants -fno-inline -fsched-interblock -fslp-vectorize-aggressive -fmax-type-align=32 -O3 1 0 2 1 milepost-codelet-mibench-security-pgp-d-src-mpilib-codelet-1-1 default 1 LAVA A3 Android 6.0
S3 b8e7111f61b14077 2.25 1.04 -O3 -fno-assume-sane-operator-new -fno-elide-constructors -mno-long-calls -mno-implicit-float -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiff2rgba-src-tif-predict-codelet-4-1 default 1 LAVA A3 Android 6.0
S4 f65b3211a4d423bb 1.85 1.00 -O3 -fno-lax-vector-conversions -fno-signed-zeros -fstrict-aliasing -ftree-slp-vectorize -trigraphs -mstack-alignment=29 -O3 1 0 2 1 milepost-codelet-mibench-consumer-lame-src-newmdct-codelet-3-1 default 1 LAVA A3 Android 6.0
S5 36afec8a7ec24325 1.78 1.04 -O3 -fmerge-all-constants -fno-elide-constructors -fno-inline -fshort-enums -msoft-float -fslp-vectorize-aggressive -fmodules-prune-after=93 -O3 1 0 2 1 cbench-automotive-susan edges image-pgm-0001 data.pgm 1 LAVA A3 Android 6.0
S6 7b2e6f24a72ac91a 1.67 1.00 -O3 -fassociative-math -fno-lax-vector-conversions -mno-global-merge -ftemplate-backtrace-limit=719 -O3 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-10-1 default 1 LAVA A3 Android 6.0
S7 f34ca6945c8a081a 1.51 1.00 -O3 -ffast-math -fno-rtti -fstrict-aliasing -fslp-vectorize -O3 1 0 2 1 milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-9-1 default 1 LAVA A3 Android 6.0
S8 7db24df431ba2134 1.45 1.00 -O3 -fshort-wchar -O3 1 0 2 1 milepost-codelet-mibench-office-rsynth-src-nsynth-codelet-5-1 default 1 LAVA A3 Android 6.0
S9 3c68b4c7da3583f5 1.19 1.00 -O3 -fvectorize -fvisibility-inlines-hidden -ffp-contract=fast -O3 1 0 2 1 cbench-network-patricia default cdataset-patricia-0001 data.txt 1 LAVA A3 Android 6.0



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