Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!umich!samsung!uunet!mcsun!unido!mpirbn!p554mve
From: p554mve@mpirbn.UUCP (Michael van Elst)
Newsgroups: comp.sys.amiga.tech
Subject: Re: blitter speed question
Message-ID: <896@mpirbn.UUCP>
Date: 12 Apr 90 23:11:21 GMT
References: <PORTUESI.90Apr11163437@tweezers.esd.sgi.com>
Reply-To: p554mve@mpirbn.UUCP (Michael van Elst)
Organization: Max-Planck-Institut fuer Radioastronomie, Bonn
Lines: 12

In article <PORTUESI.90Apr11163437@tweezers.esd.sgi.com> portuesi@sgi.com (Michael Portuesi) writes:
>
>How fast can the blitter copy blocks of memory?  I'm talking pixels
>per second for one bitplane.

If you use the right channels, you'll get a word copied in two memory
cycles.
This is 2*560ns / 16 pixels = 70 ns/pixel or more than 14000000 pixels/second.

-- 
Michael van Elst
p554mve@mpirbn.mpifr-bonn.mpg.de