Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!uwm.edu!csd4.csd.uwm.edu!gblock From: gblock@csd4.csd.uwm.edu (Gregory R Block) Newsgroups: comp.sys.amiga.advocacy Subject: Re: (Video) Hardware Idiots ? Message-ID: <12977@uwm.edu> Date: 11 Jun 91 04:34:13 GMT References: <1991Jun10.065629.21255@marlin.jcu.edu.au> Sender: news@uwm.edu Reply-To: gblock@csd4.csd.uwm.edu Lines: 23 Originator: gblock@csd4.csd.uwm.edu From article <1991Jun10.065629.21255@marlin.jcu.edu.au>, by cpca@marlin.jcu.edu.au (Colin Adams): > In article <1991Jun9.060440.29078@leland.Stanford.EDU> bard@jessica.stanford.edu (David Hopper) writes: >>DON'T, don't EVER think that the blitter drags the system down. > > On the speed of the 030 vs the blitter. A student here was using > the blitter to copy screens around constantly for his graphics project > on his Amiga 3000 and it was going a bit slow. > > I told him to try using CopyMemQuick and he got a 75% increase in > speed. Yes, but that uses the main processor. Now if he's blitting that stuff around, and doing calculations, then the system benefits from using the blitter and the main processor concurrently. > Nough said! Quite. -- All opinions are my own, and not those of my employer. Why? He doesn't know I'm doing this. -Wubba