Re: Does math coprocessor speed up GUI (here: OS/2 presentation mgr)?

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#1008

From: Tim Glauert
Date: Thu, 27 Aug 1992 10:21

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In article <19920826.074333.779@almaden.ibm.com>, ADUNSMUI@TOROLAB6.VNET.IBM.COM (Al Dunsmuir) writes:
|>   Having said that, having a math coprocessor (especially a tightly coupled
|> one as implemented in the 486) can speed up OS/2 applications.  For example,
|> IBM's X-Windows server (PM screen interface for TCP/IP) achieves __dramatic__
|> performance gains when a math coprocessor is present.

I wonder why that is?  The MIT X sample server only uses floating-point code
where the integer equivalent is likely to be slower, and only for primitives
such as arcs and wide lines.

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Message-ID: <1992Aug27.102130.9367@cam-orl.co.uk>

Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!cam-orl!root

References: <17fuahINN1tl@iraul1.ira.uka.de> <19920826.074333.779@almaden.ibm.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!cam-orl!root
From: thg@cam-orl.co.uk (Tim Glauert)
Newsgroups: comp.os.os2.programmer,comp.os.os2.misc
Subject: Re: Does math coprocessor speed up GUI (here: OS/2 presentation mgr)?
Message-ID: <1992Aug27.102130.9367@cam-orl.co.uk>
Date: 27 Aug 92 10:21:30 GMT
References: <17fuahINN1tl@iraul1.ira.uka.de> <19920826.074333.779@almaden.ibm.com>
Sender: root@cam-orl.co.uk (Operator)
Organization: Olivetti Research Ltd, Cambridge, England.
Lines: 9

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