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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	8e82265e4eb94302

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 8289e0cf24346aa7:8e82265e4eb94302

Compiler	GCC 4.9
CPU	mocha
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

Replay

e054808b4668cd79

1.59

0.25

-O3 -fcombine-stack-adjustments -fno-compare-elim -fcx-limited-range -fno-fat-lto-objects -fno-if-conversion -fno-inline-functions-called-once -fipa-cp -fira-hoist-pressure -fno-ira-loop-pressure -fivopts -flto -fno-modulo-sched -fno-peel-loops -freciprocal-math -fno-reorder-blocks -fno-sched-spec-load-dangerous -fsched-group-heuristic -fno-section-anchors -fno-selective-scheduling -ftracer -ftree-copyrename -fno-tree-dce -ftree-forwprop -ftree-pre -ftree-slsr -fuse-linker-plugin --param max-delay-slot-live-search=481 --param max-modulo-backtrack-attempts=62 --param max-peeled-insns=72 --param tracer-min-branch-probability=5 --param scev-max-expr-size=194 --param vect-max-version-for-alias-checks=10 --param max-sched-insn-conflict-delay=8 --param simultaneous-prefetches=2 --param max-vartrack-expr-depth=17 --param ipa-cp-value-list-size=13 --param case-values-threshold=0 --param max-tail-merge-comparisons=11 --param asan-stack=1 --param asan-instrument-reads=1

-O3

milepost-codelet-mibench-telecomm-adpcm-d-src-adpcm-codelet-1-1

default

XIAOMI MI PAD

Android 4.4.4

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