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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 UID6880d7e390dafb28
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 8289e0cf24346aa7:6880d7e390dafb28
CompilerGCC 4.9
CPUmozart
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 02dcad55b4c728d3 1.14 1.00 -O3 -fno-btr-bb-exclusive -fno-delayed-branch -fno-devirtualize -fno-indirect-inlining -fno-keep-static-consts -fno-loop-strip-mine -finline -fpeephole2 -fno-sched-spec -fno-zero-initialized-in-bss -fsched-critical-path-heuristic -fsched-dep-count-heuristic -fno-schedule-insns -fsel-sched-pipelining-outer-loops -fno-tree-bit-ccp -fno-tree-dce -fno-tree-dse -fno-tree-loop-if-convert-stores -fno-unsafe-math-optimizations -funswitch-loops -ffp-contract=on -fira-region=one --param max-inline-recursive-depth=0 --param max-unrolled-insns=129 --param max-unroll-times=16 --param sms-dfa-history=0 --param tracer-max-code-growth=5 --param tracer-min-branch-probability-feedback=9 --param max-cse-insns=300 --param iv-consider-all-candidates-bound=32 --param omega-eliminate-redundant-constraints=0 --param max-pipeline-region-insns=75 --param l1-cache-size=124 --param switch-conversion-max-branch-ratio=15 --param ipa-cp-array-index-hint-bonus=33 --param allow-load-data-races=0 --param max-tail-merge-iterations=1 --param asan-stack=0 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-9-1 default gsm-0001 data.gsm 1 ASUS K00C Android 4.4.2



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