help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Odd behavior of time-domain convolutions


From: David Bateman
Subject: Re: Odd behavior of time-domain convolutions
Date: Wed, 05 Sep 2007 22:11:34 +0200
User-agent: Thunderbird 1.5.0.7 (X11/20060921)

John W. Eaton wrote:
> On  5-Sep-2007, Quentin Spencer wrote:
> 
> | I've used the wrapper 
> | approach before where the only difference was the interface code, and 
> | even then the mex code was a little faster, but not by the large margins 
> | you are observing.
> 
> I'm surprised by that becuase I think more work has to be done to set
> up and recover from calling a function with the MEX interface.  Also,
> in some cases copies of the data passed to and from a MEX file are
> required when no copy is needed with the .oct file interface.
> 
> jwe

I suspect Quentin meant a mex-file interface with matlab and an oct-file
interface with Octave, since the start of the thread was a comparison of
Octave and Matlab speed for a compiled function.

Cheers
D.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]