Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!uunet!mcsun!unido!mpirbn!p554mve
From: p554mve@mpirbn.mpifr-bonn.mpg.de (Michael van Elst)
Newsgroups: comp.sys.amiga.tech
Subject: Re: How fast is the BltBitMap() routine?  (Anim. speed & redraw)
Message-ID: <1247@mpirbn.mpifr-bonn.mpg.de>
Date: 26 Sep 90 00:43:57 GMT
References: <11825@uservx.afwl.af.mil> <1437@metaphor.Metaphor.COM>
Reply-To: p554mve@mpirbn.UUCP (Michael van Elst)
Organization: Max-Planck-Institut fuer Radioastronomie, Bonn
Lines: 19

In article <1437@metaphor.Metaphor.COM> djh@neuromancer.metaphor.com (Dallas J. Hodgson) writes:
>What timing, I was just experimenting with this last night. For the
>animation I was working on, I tried this two ways: Using BltBitMap, and
>using a near-equivalent routine which had CopyMemQuick at its core. The
>CopyMemQuick routine was always significantly faster, even with FAST RAM and
>caching turned off on my A-3000.

Now, who's wondering ? The A3000 has a faster processor which can access
chip ram faster than the blitter.

And yet, this not true for any other Amiga (even with 68020/030). And with
shifts you're loosing even on the A3000.

Regards,
-- 
Michael van Elst
UUCP:     universe!local-cluster!milky-way!sol!earth!uunet!unido!mpirbn!p554mve
Internet: p554mve@mpirbn.mpifr-bonn.mpg.de
                                "A potential Snark may lurk in every tree."