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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	1afbd3290ca4fa4b

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 8289e0cf24346aa7:1afbd3290ca4fa4b

Compiler	GCC 5.4.0
CPU	Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
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

fc4f7eb8b8830090

1.79

0.86

-O3 -ffast-math -funroll-all-loops

-O3

milepost-codelet-mibench-consumer-lame-src-newmdct-codelet-10-1

default

3500.084, 3500.066, 3500.045, 3500.053

Dell Inc. (XPS 13 9360)

Ubuntu 16.04.1 LTS

e984328e54ae79b3

1.74

1.01

-O3 -fno-tree-fre

-O3

milepost-codelet-mibench-consumer-jpeg-c-src-jchuff-codelet-9-1

default

3500.279, 3500.157, 3500.007, 3500.155

Dell Inc. (XPS 13 9360)

Ubuntu 16.04.1 LTS

ba926862eb6e8535

1.48

0.91

-O3 -fno-tree-ch -funroll-all-loops

-O3

cbench-automotive-bitcount

default

number-0001

3064.072, 2987.338, 2860.279, 3014.046

Dell Inc. (XPS 13 9360)

Ubuntu 16.04.1 LTS

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