Article View: comp.sys.dec
Article #5625Re: Question regarding DS3100 Floating Point
From: J. Eric Townsend
Date: Wed, 14 Feb 1990 00:02
Date: Wed, 14 Feb 1990 00:02
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In article <119@hammer.UUCP> jockc@idsila.com (Jock Cooper) writes: >I have this ray tracing toy that runs faster on our MicroVax >(has FP coprocessor) than on my DECstation 3100. Does the 3100 >have a Floating Point chip or what? Or is it an option? Another question. Using a Fortran compiled executables in double precision are more than 5 times as slow as single precsion... Any ideas? This is for something that's definately out of cache, fyi. -- J. Eric Townsend University of Houston Dept. of Mathematics (713) 749-2120 jet@karazm.math.uh.edu Skate UNIX(tm).
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!lavaca.uh.edu!karazm!jetReferences:
<Feb.12.10.17.01.1990.23389@paul.rutgers.edu> <119@hammer.UUCP>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!lavaca.uh.edu!karazm!jet From: jet@karazm.math.uh.edu (J. Eric Townsend) Newsgroups: comp.sys.dec Subject: Re: Question regarding DS3100 Floating Point Keywords: FP coprocessor Message-ID: <1990Feb14.000213.6413@lavaca.uh.edu> Date: 14 Feb 90 00:02:13 GMT References: <Feb.12.10.17.01.1990.23389@paul.rutgers.edu> <119@hammer.UUCP> Sender: nntppost@lavaca.uh.edu (NNTP Posting Service) Organization: University of Houston -- Department of Mathematics Lines: 15