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- Path: vaxb.isc.rit.edu!MJP3783
- From: mjp3783@vaxb.isc.rit.edu
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Demo/game to OS friendly part II
- Date: 4 Feb 1996 23:43:53 GMT
- Organization: Rochester Institute of Technology
- Message-ID: <4f3gbp$n9r@news.isc.rit.edu>
- References: <38232020@kone.fipnet.fi> <9PxXx*kka@aargh.incubus.sub.org> <4des65$bgk@serpens.rhein.de>,<38232076@kone.fipnet.fi> <4e1hk6$tfd@news.isc.rit.edu>,<DLsCMt.MBt@wiloyee.shnet.org>
- Reply-To: mjp3783@vaxb.isc.rit.edu
- NNTP-Posting-Host: vaxb.isc.rit.edu
-
- In article <DLsCMt.MBt@wiloyee.shnet.org>, chaos@wiloyee.shnet.org writes:
- >mjp3783@alpha.isc.rit.edu wrote:
- >you can ofcourse use the chunky to planar routines of kick3.1, and chris
- >green did a really clever job, with special optimisations for akiko hardware
- >if present, but they are still far away from what you can do by yourself.
- >
- >sometimes, os routines are as good as what you cn do by yourself. the easier
- >the task, the bigger the chance that the os can do it as well. copying
- >memory is a very simple task
- >
- >but if the task is very complicated, like merging copperlists or doing c2p,
- >you can be SURE that more specialised routines can do a faster job.
-
- It is true that specific routines are much faster. However, any specific
- routine that accesses specific hardware should be left to the OS.
-
- >
- >the best example are the routines for merging copperlists. on kick2.0 they
- >were really slow. with kick3.0 (orkick3.1) the speed got acceptable. but if
- >you want some really nice stuff, like complex paralaxing (see the game Mr.
- >Nutz), then it's useless to use the OS. Mr. Nutz runs very well on an A500
- >(50 fps), but using os it woun't run on an A4000.
- >
- >special routines win over general purpose routines, and an os can only
- >contain general pupose routines.
- >
- >
- >: something right and don't need a bunch of snot nosed brats who can't deal with
- >i get teh feeling that discussion in this thread is impossible without bad
- >language. very professional, oslamic.
-