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- Newsgroups: comp.os.os2.programmer,comp.os.os2.misc
- Path: 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
-
- 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
-