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

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#1140

From: Mike Ching
Date: Thu, 27 Aug 1992 21:24

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In article <Qeax6pS00Vot8FvkYs@andrew.cmu.edu> sl31+@andrew.cmu.edu (Stephen M. Lacy) writes:
>Excerpts from netnews.comp.os.os2.programmer: 26-Aug-92 Re: Does math
>coprocessor s.. Al Dunsmuir@TOROLAB6.VNE (1580)
>
>
>>   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.
>
>
>Why is this so?  I thought that X used all integer based math too.

A math coprocessor speeds up math functions, not just floating point
applications. Integer multiply and divide can be accelerated by using the
coprocessor.

Mike Ching

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From: ching@angelo.amd.com (Mike Ching)
Newsgroups: comp.os.os2.programmer
Subject: Re: Does math coprocessor speed up GUI (here: OS/2 presentation mgr)?
Message-ID: <1992Aug27.212423.29860@amd.com>
Date: 27 Aug 92 21:24:23 GMT
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