Collective Knowledge Aggregator proof-of-concept
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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 UID4cc0b5206483eba4
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 8289e0cf24346aa7:4cc0b5206483eba4
CompilerGCC 4.9
CPUMT6735
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 63b5b67c2a504b87 1.20 0.83 -O3 -fbtr-bb-exclusive -fcompare-elim -ffinite-math-only -fno-ivopts -fno-function-cse -fno-partial-inlining -fsched-spec-load -fselective-scheduling -fno-sel-sched-pipelining -fno-sel-sched-pipelining-outer-loops -fno-thread-jumps -ftree-dce -fno-tree-dominator-opts -fno-tree-partial-pre -funroll-loops -fno-unswitch-loops -fexcess-precision=fast --param predictable-branch-outcome=39 --param max-inline-insns-recursive-auto=378 --param max-variable-expansions-in-unroller=2 --param ipcp-unit-growth=14 --param large-stack-frame=458 --param max-peel-times=7 --param sms-max-ii-factor=67 --param sms-loop-average-count-threshold=0 --param max-crossjump-edges=135 --param iv-always-prune-cand-set-bound=3 --param scev-max-expr-size=139 --param omega-max-geqs=509 --param sink-frequency-threshold=55 --param selsched-max-lookahead=35 --param max-dse-active-local-stores=7149 --param prefetch-latency=311 --param ira-max-conflict-table-size=1547 --param max-vartrack-expr-depth=8 --param ipa-max-agg-items=3 --param allow-packed-load-data-races=1 --param asan-instrument-reads=1 -O3 1 0 2 1 milepost-codelet-mibench-automotive-basicmath-isqrt-codelet-1-1 default image-tiff-0001-nocomp data.tiff 1 ZTE BLADE V6 Android 5.0.2



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