Path: chuka.playstation.co.uk!news From: Alex Herbert Newsgroups: scee.yaroze.programming.2d_graphics Subject: Re: how made his own font ? Date: Fri, 14 Aug 1998 14:17:06 +0000 Organization: PlayStation Net Yaroze (SCEE) Lines: 16 Message-ID: <35D438D2.908C3316@ndirect.co.uk> References: <35C81A30.4ACB@club-internet.fr> <35C82DDB.3E12E37C@scee.sony.co.uk> <01bdc061$2c186980$f30b0a0a@Angela1.intelligent-group.com> <35D2E01D.5CA1@mdx.ac.uk> <6r0vps$n7i6@chuka.playstation.co.uk> <35D43404.282A@mdx.ac.uk> Reply-To: aherbert@ndirect.co.uk NNTP-Posting-Host: dialin2-22.ndirect.co.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.04 [en] (Win95; I) Robert Swan wrote: > I have almost no idea how c compilers optimise code, but I believe one > of the things you can get them to do is loop unrolling, which does > exactly as you say, which is why when set to compiling the fastest code > you dont need to do it manually. I can guess that early compilers used > on the c64 may not have done such a thing, hence you would get a speed > increase there. > Actually, unrolling loops will often have a negative effect on the PSX 'cos it causes cache misses. I think I saw a posting about this in the GNU newsgroup. Herbs