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Re: [Bug-gsl] Wavelet DWT speedup

From: Brian Gough
Subject: Re: [Bug-gsl] Wavelet DWT speedup
Date: Wed, 02 Jan 2008 12:31:43 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI)

At Thu, 20 Dec 2007 23:27:21 -0500,
Jason Coy wrote:
> Enclosed is a patch file for the wavlelet/dwt.c file that speeds up the
> operation of the dwt_step function a bit by eliminating the need for the
> program to calculate the buffer offset repeatedly.  The dwt.c file contains
> the updated code.
> It increases speed at the cost of slightly more complicated code.

Thanks for the patch. What sort of speedup do you get with that?

Brian Gough

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