Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!vsi1!wyse!mips!mash From: mash@mips.COM (John Mashey) Newsgroups: comp.arch Subject: Re: Query about miserable M68882 performance [really 80-bit notes] Message-ID: <16543@winchester.mips.COM> Date: 4 Apr 89 04:16:22 GMT References: <2583@tank.uchicago.edu> <7829@pyr.gatech.EDU> Reply-To: mash@mips.COM (John Mashey) Organization: MIPS Computer Systems, Sunnyvale, CA Lines: 16 In article <7829@pyr.gatech.EDU> mccalpin@loligo.cc.fsu.edu (John McCalpin) writes: ... >On the bright side, both the Intel and Motorola chips make it easy >to implement a robust IEEE-compliant floating-point system, since just >about everything is done by the hardware. If the compiler is smart about >keeping intermediate results on the co-processor's internal stack, then >the extra accuracy can be helpful.... Just out of curiosity, can people out there in netland say: 1) Which software systems do this [keep intermediate results this way]? 2) How well it works? -- -john mashey DISCLAIMER: UUCP: {ames,decwrl,prls,pyramid}!mips!mash OR mash@mips.com DDD: 408-991-0253 or 408-720-1700, x253 USPS: MIPS Computer Systems, 930 E. Arques, Sunnyvale, CA 94086