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- Path: ifi.uio.no!usenet
- From: ludvigp@ifi.uio.no (Ludvig Pedersen)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: doubling pixels horizontally
- Date: 20 Feb 1996 20:27:07 GMT
- Organization: Dept. of Informatics, University of Oslo, Norway
- Message-ID: <588.6624T1237T1412@ifi.uio.no>
- References: <4f4ibc$gl9@news.cs.tu-berlin.de> <591.6610T1165T2102@login.eunet.no><1045.6611T753T2256@vip.cybercity.dk><4faoe1$47@sunsystem5.informatik.tu-muenchen.de><2991.6612T1034T625@vip.cybercity.dk><576.6613T1070T1730@login.eunet.no><1257.6614T57T922@vip.cybercity.dk>
- <1225.6615T1229T800@login.eunet.no> <1140.6616T51T1538@vip.cybercity.dk>
- <1982.6617T1096T103@ifi.uio.no> <4ga4tt$pdf@brachio.zrz.TU-Berlin.DE>
- NNTP-Posting-Host: gymir.ifi.uio.no
- X-Newsreader: THOR 2.22 (Amiga;TCP/IP)
-
- >>Anyway, some time ago some friends of mine and I rewrote the algorithm.
- >>And made the code 30-40% faster. Now it is just as fast as to copy
- >>5120 (160*128/4) longwords to chipram. (Try to beat that!)
- >Hm, I failed to reach copyspeed. My algo takes 6 c/pixel for the conversion;
- >pipelining, dbf and loading of the pixels make it 8.75 c/pixel. Still,
- >when I time it I get only 60% of max. speed (pixels*8.75=30,000,000)
- That's strange.
-
- What kind of CPU do you got?? I have a 030 50mhz.
-
- <sb>Ludde - Amiga Demo Coder
- <sb>Virtual Reality & Official Be developer
- <sb>ludvigp@ifi.uio.no
-
-