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annotate m-toolbox/classes/+utils/@helper/CPUbenchmark.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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2 %
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3 % CPU benchmarking for comparing speeds among different
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4 % architectures/computers.
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5 %
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6 % DESCRIPTION: CPUbenchmark provides a benchmark CPU time for comparison
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7 % among different architectures/computers. It gives the mean
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8 % CPU time and the mean error.
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9 %
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10 % CALL: [a, b] = CPUbenchmark;
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11 %
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12 % VERSION: $Id: CPUbenchmark.m,v 1.1 2011/02/03 13:34:47 congedo Exp $
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13 %
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14 % HISTORY: 02-02-2011 G. Congedo
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15 %
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16 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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17
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18 function [avgT,stdT]=CPUbenchmark
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19
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20 avgT = zeros(10,1);
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21 stdT = avgT;
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22
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23 for jj=1:10
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24 m = zeros(100,1);
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25 for kk = 1:100
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26 tic
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27 for i = 1:1e4
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28 a = rand(10,10);
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29 a = a';
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30 end
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31 m(kk)=toc;
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32 end
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33
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34 avgT(jj) = mean(m);
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35 stdT(jj) = std(m)/sqrt(numel(m));
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36
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37 end
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38
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39 avgT = mean(avgT);
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40 stdT = mean(stdT);
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41
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42 end