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annotate time.m @ 1031:2ef20d00b386 feature/advectionRV

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For easier comparison, return both the first order and residual viscosity when evaluating the residual. Add the first order and residual viscosity to the state of the RungekuttaRV time steppers
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 17 Jan 2019 10:25:06 +0100
parents 305d8bb366ce
children
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305d8bb366ce time: Added ability to avarage of several runs.
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1 function t_out = time(f, n)
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2 default_arg('n',1);
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3
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4 if n == 1
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5 t = timeOnce(f);
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6 else
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7 t = timeAvg(f, n);
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8 end
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9
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10 if nargout == 1
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11 t_out = t;
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12 else
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13 fprintf('Elapsed time is %.6f seconds.\n', t)
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14 end
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15 end
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16
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17 function t = timeOnce(f)
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18 s = tic();
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19
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20 f();
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21
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22 t = toc(s);
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23 end
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24
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25
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26 function t = timeAvg(f, n)
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27 s = tic();
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28
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29 for i = 1:n
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30 f();
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31 end
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33 t = toc(s)/n;
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34 end