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

Article View: comp.os.os2.programmer

Article #1156

Back to comp.os.os2.programmer Previous Next

#1156

From: Evan Champion
Date: Thu, 27 Aug 1992 14:28

15 lines
1173 bytes

ADUNSMUI@TOROLAB6.VNET.IBM.COM (Al Dunsmuir) writes:

>   Whenever this question is asked of the OS/2 developers, the answer is that
> for optimal performance all PM operations use integer math.  Thus having a
> numeric coprocessor it will not speed up the base OS/2 presentation services.
> 
>   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.

Wouldn't FP math be faster on machines with math coprocessors than
integer math?

Evan

Technical Details

Message-ID: <1166PB1w164w@uuisis.isis.org>

Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!torn!cunews!revcan!micor!uuisis!bbs

References: <19920826.074333.779@almaden.ibm.com>

Show Full Headers

Complete Article Headers

Newsgroups: comp.os.os2.programmer,comp.os.os2.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!torn!cunews!revcan!micor!uuisis!bbs
From: evanc@uuisis.isis.org (Evan Champion)
Subject: Re: Does math coprocessor speed up GUI (here: OS/2 presentation mgr)
Organization: International Shared Information Service (Ottawa)
Date: Thu, 27 Aug 92 14:28:18 GMT
Message-ID: <1166PB1w164w@uuisis.isis.org>
References: <19920826.074333.779@almaden.ibm.com>
Sender: bbs@uuisis.isis.org
Lines: 15

Reply to Parent Message