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TESI DOCTORAL - La Salle

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CPU time (sec.)<br />

CPU time (sec.)<br />

CPU time (sec.)<br />

CPU time (sec.)<br />

1<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

1.8<br />

1.7<br />

1.6<br />

1.5<br />

1.4<br />

1.3<br />

1.2<br />

1.1<br />

1<br />

2<br />

1.9<br />

1.8<br />

1.7<br />

1.6<br />

1.5<br />

1.4<br />

2.5<br />

2<br />

1.5<br />

1<br />

RHCA<br />

RHCA<br />

RHCA<br />

RHCA<br />

DHCA<br />

Appendix C. Experiments on hierarchical consensus architectures<br />

HGPA<br />

flat<br />

(a) Parallel implementation running time, |dfA| =1<br />

HGPA<br />

DHCA<br />

flat<br />

(b) Parallel implementation running time, |dfA| =10<br />

HGPA<br />

DHCA<br />

flat<br />

(c) Parallel implementation running time, |dfA| =19<br />

HGPA<br />

DHCA<br />

flat<br />

(d) Parallel implementation running time, |dfA| =28<br />

Figure C.60: Running times of the computationally optimal parallel RHCA, DHCA and<br />

flat consensus architectures on the PenDigits data collection in the four diversity scenarios<br />

|dfA| = {1, 10, 19, 28}.<br />

331<br />

CPU time (sec.)<br />

CPU time (sec.)<br />

CPU time (sec.)<br />

CPU time (sec.)<br />

1.1<br />

1<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

1.8<br />

1.7<br />

1.6<br />

1.5<br />

1.4<br />

1.3<br />

1.2<br />

1.1<br />

1<br />

2.5<br />

2<br />

1.5<br />

1<br />

3.5<br />

3<br />

2.5<br />

2<br />

1.5<br />

1<br />

RHCA<br />

RHCA<br />

RHCA<br />

RHCA<br />

MCLA<br />

DHCA<br />

MCLA<br />

DHCA<br />

MCLA<br />

DHCA<br />

MCLA<br />

DHCA<br />

flat<br />

flat<br />

flat<br />

flat

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