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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 UIDdcafd9e0123ff9fe
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:dcafd9e0123ff9fe
CompilerGCC 4.9
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 d72db9147bcb5b9f 1.10 1.00 -O3 -fbranch-target-load-optimize2 -fno-compare-elim -fno-early-inlining -fno-ipa-sra -fno-gcse-sm -fno-isolate-erroneous-paths-dereference -fno-modulo-sched-allow-regmoves -fsched-interblock -ftrapping-math -fpredictive-commoning -freciprocal-math -fno-schedule-insns -fsel-sched-pipelining -fno-tree-dce -ftree-loop-im -fno-tree-loop-vectorize -ftree-partial-pre -fno-tree-slsr -fno-tree-tail-merge -fsched-stalled-insns-dep=0 --param max-inline-insns-single=363 --param max-inline-insns-recursive=0 --param max-inline-recursive-depth=15 --param max-inline-recursive-depth-auto=2 --param partial-inlining-entry-probability=119 --param max-delay-slot-insn-search=138 --param max-modulo-backtrack-attempts=18 --param early-inlining-insns=17 --param builtin-expect-probability=67 --param tracer-min-branch-probability-feedback=63 --param omega-max-keys=669 --param max-sched-extend-regions-iters=0 --param selsched-max-lookahead=69 --param simultaneous-prefetches=3 --param graphite-max-bbs-per-function=176 --param ipa-cp-loop-hint-bonus=14 --param max-stores-to-sink=2 --param asan-globals=0 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-8-1 default 1 VIVO 1714 Android 7.0

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