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- Xref: sparky comp.os.os2.programmer:4472 comp.os.os2.misc:28331
- Path: 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
-
- 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.
-