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CT60 and related things BBS
| Re: 10-15fps on afterburner |
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Posted by: evil
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Aug,05.2003-15:26
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The code already runs in TT-RAM. But the video framebuffer has to be in ST-RAM (the videochip cannot read from TT-RAM).
Further on I don't think there is much difference in speed between a 060/72 and P/100, go look at the RC5 decryption thing, and this is raw computing only, doesn't involve any architecture around the CPU.
The architecture around the CPU is faster on your P/100, first it have a PCI graphics card which is alot faster than the ST-RAM/Videl, and secondly the PCI graphcis card have a native 8bit-chunky display, which the Videl doesn't have, so the 060 has to transform the chunky image into bitplanes which slows down another vbl or so.
And lastly; Quake on intel is assembler optimized. Sure DougQuake have the worst C-shortcomings fixed in the inner loops, but still not very optimized (check Amiga Quake, there is a properly optimized quake for 060).
In short; DougQuake on CT60 is slower than your P/100 because of chunky video mode, only small assembler optimizings for 68k and the video-memory bandwidth is much lower on CT60.
Solution to this? The nature graphics card of course (http://supervidel.atari.org/) and naturally more (better) optimizing of the code.
--
Anders Eriksson
ae@dhs.nu
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Topic
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Posted by
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Date
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CT60 at 72MHz
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-XI-/Satantronic
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Jul,18.2003-12:09
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Re: CT60 at 72MHz
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Creature XL
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Jul,18.2003-19:06
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Re: How fast is...
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-XI-/Satantronic
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Jul,20.2003-19:10
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Re: CT60 at 72MHz
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Ragstaff
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Jul,19.2003-16:22
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Re: Doom, Heretic, Quake...
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-XI-/Satantronic
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Jul,20.2003-19:16
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Re: Doom, Heretic, Quake...
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Creature XL
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Jul,21.2003-12:33
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Re: Doom, Heretic, Quake...
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evil
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Jul,21.2003-14:45
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DougQuake
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evil
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Jul,23.2003-19:38
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Re: DougQuake
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NervE
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Jul,26.2003-15:46
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Re: DougQuake
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NervE
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Jul,26.2003-16:03
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Re: DougQuake
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Adam Kloukowski
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Aug,01.2003-17:03
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Re: DougQuake
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NervE
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Jul,26.2003-16:09
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Re: DougQuake
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Xerus
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Jul,27.2003-03:48
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Re: DougQuake
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NervE
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Jul,27.2003-12:46
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Re: DougQuake
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Xerus
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Jul,27.2003-21:26
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Re: DougQuake
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evil
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Jul,28.2003-01:05
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Re: DougQuake
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Xerus
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Jul,28.2003-05:54
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Re: DougQuake
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NervE
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Jul,28.2003-21:58
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Re: DougQuake
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Xerus
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Jul,30.2003-05:23
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Re: DougQuake
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deez
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Jul,28.2003-12:47
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Re: Doom, Heretic, Quake...
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fna
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Aug,03.2003-10:14
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Re: 10-15fps on afterburner
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Ragstaff
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Aug,04.2003-05:27
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Re: 10-15fps on afterburner
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deez
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Aug,04.2003-10:14
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Re: 10-15fps on afterburner
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Ragstaff
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Aug,04.2003-11:19
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Re: 10-15fps on afterburner
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deez
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Aug,04.2003-11:51
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Re: 10-15fps on afterburner
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GokMasE
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Aug,04.2003-12:57
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Re: 10-15fps on afterburner
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deez
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Aug,04.2003-14:50
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Re: 10-15fps on afterburner
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Xerus
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Aug,05.2003-05:07
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Re: 10-15fps on afterburner
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evil
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Aug,05.2003-15:33
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Re: 10-15fps on afterburner
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Xerus
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Aug,05.2003-05:11
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Re: 10-15fps on afterburner
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Ragstaff
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Aug,05.2003-12:07
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Re: 10-15fps on afterburner
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evil
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Aug,05.2003-15:26
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060/72 vs P100 RC5
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Ragstaff
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Aug,06.2003-14:27
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Re: 10-15fps on afterburner
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Johan Klockars
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Aug,12.2003-17:22
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c2p in dougquake
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evil
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Aug,15.2003-16:10
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Re: c2p in dougquake
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Peter
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Aug,15.2003-17:11
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Re: c2p in dougquake
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evil
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Aug,15.2003-21:18
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Re: Doom, Heretic, Quake...
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Christiaan Sijtsma
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Jul,21.2003-19:30
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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