Xref: utzoo rec.games.programmer:3406 comp.os.msdos.programmer:4620 comp.graphics:17221 Path: 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 [stuff deleted] >>> 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 |=)