Re: [LAD] vectorization

From: Fons Adriaensen <fons@email-addr-hidden>
Date: Tue May 06 2008 - 01:10:53 EEST

On Mon, May 05, 2008 at 11:32:56PM +0200, Jens M Andreasen wrote:

> > clock: 4020 ms (_Complex)
> > clock: 1550 ms (cvec_t)
> > clock: 70000 ms (original float array[N][2])

How do you explain the 45:1 ratio for the latter two ?
Just doing 4 operations in parallel can't do this.
I would never trust these numbers without verifying
the numerical result.

Ciao,

-- 
FA
Laboratorio di Acustica ed Elettroacustica
Parma, Italia
Lascia la spina, cogli la rosa.
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Received on Tue May 6 04:15:02 2008

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