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- References: <4beum4$dkv@sunsystem5.informatik.tu-muenchen.de> <judas.0gy3@tomtec.abg.sub.org>
- From: "Jyrki Saarinen" <jsaarinen@kone.fipnet.fi>
- Date: Wed, 3 Jan 96 15:06:27 UT
- Comments: Illegal date header - new date added by quicknews
- X-Original-Date: Wed, 03 Jan 96 16:45:56
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- Subject: Re: >>>>>>> The Future: Amiga goes PC (...aeh: "PowerMsPenti...?) <<<<<
- Message-ID: <38231816@kone.fipnet.fi>
-
-
- > 4MB/sec are not possible with 256 colors. On doublemodes, certain
- > VGA-users need, you can expect less than 2MB from the 32bit-chipset !!!
-
- Bullshit.
-
- > "including c2p" sounds impossible for me. On my A4000/40 I get about
- > 3Mb/sec with C2P from fastram to fastram. This would be enough for 50fps on a
- > 320x200x8 screen. But if i really copy to chipmem, the rate slows down to
- >áabout 1.3Mb/sec, that`s just too little.
-
- Nonsense. 320x256x8 c2p takes about 20ms (one frame) on a 040-Amiga.
- That is as fast as chip ram can take.
-
- Slower CPUs can do that 20ms also, just less passes depending
- on the CPU speed. The rest c2p passes are done with the blitter.
-
- > The guys who wrote the textdemo57 are facing the same prob: The faster
- > the cpu gets, the higher gets the percentage you spend doing C2P.
- >
- > On an A4000/40, C2P is about 30%. On a 060, C2P is more than 50% !
-
- Because it does still not have a 040/060-optimized c2p!
- Only 030 optimized, which is 2x slower on 040!
-
- Just tell me, where you are getting these "facts"?
-
- -- _
- a Stellar programmer _ //
- "Amiga - back for the future" \X/
-