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Article #1426Re: Need hard core help doing some 3d optimizations
From: Jim Bittman
Date: Sat, 13 Apr 1991 06:39
Date: Sat, 13 Apr 1991 06:39
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>>> 90% of my CPU time is being shoved into one function. Any help on the
>>> optimizations would be really appreciated.
>>> ... float xa, ya, za;
>>
>
>Check out the latest Dr. Dobb's journal on using memory-mapped math
^^^^^^^^^^^^^^^^^^^^^^^^^
Why not add a floating point DSP coprocessor, and be done with it?
>coprocessors. They claim that float division is not faster than 386
>integer division on some PC hardware platforms.
Jim Bittman, jmbj@grebyn.com
(author of DSP article in above mentioned magazine |=)
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<27979@uflorida.cis.ufl.EDU> <1991Apr11.202429.29648@kuhub.cc.ukans.edu> <1991Apr12.140949.26414@athena.mit.edu>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!decwrl!pa.dec.com!decuac!grebyn!jmbj From: jmbj@grebyn.com (Jim Bittman) Newsgroups: rec.games.programmer,comp.os.msdos.programmer,comp.graphics Subject: Re: Need hard core help doing some 3d optimizations Message-ID: <1991Apr13.063949.5447@grebyn.com> Date: 13 Apr 91 06:39:49 GMT References: <27979@uflorida.cis.ufl.EDU> <1991Apr11.202429.29648@kuhub.cc.ukans.edu> <1991Apr12.140949.26414@athena.mit.edu> Organization: Grebyn Timesharing Lines: 16