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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
- References: <17fuahINN1tl@iraul1.ira.uka.de> <19920826.074333.779@almaden.ibm.com> <Qeax6pS00Vot8FvkYs@andrew.cmu.edu>
- Sender: usenet@amd.com (NetNews)
- Organization: Advanced Micro Devices, Santa Clara, CA
- Lines: 18
- Nntp-Posting-Host: angelo
-
- 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
-