Article View: sci.image.processing
Article #343Re: image processing loops: a c programming
From: Michael van Elst
Date: Wed, 26 Aug 1992 18:14
Date: Wed, 26 Aug 1992 18:14
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1247 bytes
In <DAVIS.92Aug14222649@pacific.mps.ohio-state.edu> davis@pacific.mps.ohio-state.edu ("John E. Davis") writes:
>What about: memcpy(bp, ap, MAX); It will beat the above loop every time.
Not so sure. If the memcpy isn't optimized it will just do the same
plus the function call overhead.
And for any other type than char the for loop might even be better than
a dumb memcpy.
Regards,
--
Michael van Elst
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<ALIEN.92Aug13120523@vulcan.essex.ac.uk> <1992Aug13.125001.25563@bmw.mayo.edu> <ydifayu@Unify.Com> <DAVIS.92Aug14222649@pacific.mps.ohio-state.edu>Show Full Headers
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Newsgroups: sci.image.processing Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!Germany.EU.net!mpifr-bonn.mpg.de!speckled.mpifr-bonn.mpg.de!mlelstv From: mlelstv@speckled.mpifr-bonn.mpg.de (Michael van Elst) Subject: Re: image processing loops: a c programming Message-ID: <1992Aug26.181424.3101@mpifr-bonn.mpg.de> Sender: news@mpifr-bonn.mpg.de Nntp-Posting-Host: speckled Organization: Max-Planck-Institut f"ur Radioastronomie References: <ALIEN.92Aug13120523@vulcan.essex.ac.uk> <1992Aug13.125001.25563@bmw.mayo.edu> <ydifayu@Unify.Com> <DAVIS.92Aug14222649@pacific.mps.ohio-state.edu> Date: Wed, 26 Aug 1992 18:14:24 GMT Lines: 14