[Fwd: compare the executive speed with Matlab]

Michael Goffioul michael.goffioul at gmail.com
Sat Jan 3 13:36:34 CST 2009


2 of your examples use for-loops. Octave if known to be
slower than Matlab with for-loops and it has been repeated
at many occasions. No wonder about the timing difference.
For the 3rd one, I'm not sure, it might be related to the
implementation of normcdf function.

Michael.


On Sat, Jan 3, 2009 at 5:42 PM, Howard <shj1130 at pchome.com.tw> wrote:
> Sorry, I forgot to attach the files
>
> Howard
>
>
> ---------- Forwarded message ----------
> From: Howard <shj1130 at pchome.com.tw>
> To: help at octave.org
> Date: Thu, 01 Jan 2009 18:48:10 +0000
> Subject: compare the executive speed with Matlab
> Hi Octave,
>
> I am a new user with Octave 3.0.3. It is very much appreciated of this
> good software.
>
> I'm wondering the executive speed compared with Matlab. I found Octave's
> executive time is 10 times slower than Matlab on Windows. (I also try
> Octave on Linux, but it is still slower than Matlab on Windows) Some
> People discussed this issue on a forum. They said it is because Octave
> is not good at Loop code. However, even though I run non-loop code on
> Octave and Matlab. Octave's executive time is still much slower than
> Matlab.
>
> Do you think it is normal that Octave's executive speed slower than
> Matlab? or it is my configuration's problem?
>
> Thanks for your time
>
> Best regards,
>
> Howard Su
>
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