[bug-gsl] Re: Wavelet DWT speedup (2008-01-02)
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From: |
Brian Gough <bjg@gnu.org> |
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Subject: |
Re: Wavelet DWT speedup |
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Date: |
Wed, 02 Jan 2008 12:31:43 +0000 |
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To: |
"Jason Coy" <funkdart@.........> |
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Cc: |
bug-gsl@gnu.org |
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
