| Re: Using thick=2 increases FG plot time by 25x?!?! [message #86601 is a reply to message #86592] |
Fri, 22 November 2013 00:17  |
lecacheux.alain
Messages: 325
Registered: January 2008
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Senior Member |
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Le jeudi 21 novembre 2013 19:35:56 UTC+1, Paul van Delst a écrit :
> I have the following code to plot some data (~25000 points) using the
>
> PLOT() function:
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>
>
> tic
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> po = plot(fo, ro, $
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> xrange=xrange, $
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> yrange=[-0.005,0.025], $
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> xticklen = ticklen, $
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> yticklen = ticklen, $
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> xtickfont_size = 9, $
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> ytickfont_size = 9, $
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> color = 'red', $
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> thick = 1 ) ; <<<---****
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> pn = plot(fn, rn, $
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> color='green', $
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> symbol = 'diamond', $
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> /overplot)
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> pz = plot(po.xrange,[0,0], $
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> linestyle='dashed', $
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> /overplot)
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> pz.order, /send_to_back
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> toc
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>
>
> When I run this I get the plot and the following output from toc:
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>
>
> % Time elapsed: 1.1067200 seconds.
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>
>
>
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> I then changed *ONLY* the value of thick to "thick = 2", recompiled the
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> procedure, and ran it. I got the following:
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>
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> % Time elapsed: 25.625711 seconds.
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>
>
> Am I doing something stupidly wrong here, or is this a known bug?
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>
>
> IDL> print, !version
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> { x86_64 linux unix linux 8.2.2 Jan 23 2013 64 64}
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>
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> cheers,
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>
>
> paulv
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> p.s. The first time this happened I thought my computer had karked it so
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> I did the ctrl-C dealy after about 10-15 seconds and got the following:
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>
>
> ^C^C^C^C^C^C^C^C
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> Interrupted at: IDLITVISDATASPACE::DRAW 2389
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> /usr/local/exelis/idl82/lib/itools/framework/idlitvisdataspa ce__define.pro
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>
>
> IDL> .reset_session
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> % Interrupted at: IDLITVISDATASPACE::DRAW 2389
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> /usr/local/exelis/idl82/lib/itools/framework/idlitvisdataspa ce__define.pro
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> % Internal error: The Interpreter stack is not empty on exit.
I cannot reproduce (1.4s on my Workstation in each case)!
{ x86_64 Win32 Windows Microsoft Windows 8.2.3 May 3 2013 64 64}
Maybe were you close to some memory limit in your IDL session, then swapping to disk ?
alx.
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