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Article #8705

Re: Compiled PostScript

#8705
From: Woodrow Baker
Date: Wed, 03 Jan 1990 23:14
27 lines
1975 bytes
In article <1673@intercon.com>, amanda@mermaid.intercon.com (Amanda Walker) writes:
> 
> As several people have noted in email to me, there is a class of operation
> that could arguably benefit from compilation, namely, operations that are
> very compute-intensive, such as Gouraud & Phong shading, things that keep
> changing the CTM, and so on.
> 
> I say arguably because I tend to do this kind of thing on the host and then
> ship the output to the printer.  I admit it gets a little sticky when your
> host has less computing power than your printer (for example, Don and his
> Apple II and LW NTX), but that's more of a misfeature of your setup than
> of the printer itself...
There most definitly are some VERY slow parts of Postscript. Why in the BLEEP
the floatingpoint math is done in software is totaly beyond me.  The original
controller should have had an 68881 or something similar.  To my knowledge
none of the smaller lasers have a math co-procoessor.  That one simple
hardware addition would make a significant impact on through put.

I use a '286 at 10 and 12 Mhz for most of what I do, and as far as it goes
it's a lot less powerful than the printer as well.  Why do you think that
the 68000 was the platform of choice for Adobe and Apple.  It has the power
to do it and do it right, but still it would have been far better to have
included a hardware fp processor, or at least made provision for it on the
mb and in the software.

Cheers
Woody
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Message-ID: <17548@rpp386.cactus.org>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!natinst!rpp386!woody
References: <POLLACK.89Dec4133944@toto.cis.ohio-state.edu> <1666@intercon.com> <1673@intercon.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!natinst!rpp386!woody
From: woody@rpp386.cactus.org (Woodrow Baker)
Newsgroups: comp.lang.postscript
Subject: Re: Compiled PostScript
Summary: computing power
Message-ID: <17548@rpp386.cactus.org>
Date: 3 Jan 90 23:14:48 GMT
References: <POLLACK.89Dec4133944@toto.cis.ohio-state.edu> <1666@intercon.com> <1673@intercon.com>
Organization: River Parishes Programming, Plano, TX
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