Article View: comp.sys.amiga.tech
Article #5528Re: How fast is the BltBitMap() routine? (Anim. speed & redraw)
From: Michael van Elst
Date: Wed, 26 Sep 1990 00:43
Date: Wed, 26 Sep 1990 00:43
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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
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Internet: p554mve@mpirbn.mpifr-bonn.mpg.de
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Path: arc1-ca.pugleaf.net!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