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Article #229Re: irix 5.3 executable on irix 6.2
From: Alexis Cousein
Date: Wed, 23 Oct 1996 00:00
Date: Wed, 23 Oct 1996 00:00
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Dave Schuller wrote: > > hi, > > finally got my hands on an Indigo 10000 for testing. > It came pre-loaded with Irix 6.2. > > I ran a program on it just to compare speed with our older > R4000 machines, and was surprised to find that the output > of the program was not verbatim identical. The program > executable was compiled on an Indigo R4000 under IRix 5.3. > since it is already an executable, I don't see how compiler bugs > could be a consideration. (compiled with f77. the program is > magicsquash, for X-ray crystallographic phase extension.) > > so what is a R10000 with Irix 6.2 doing differently with an > Irix 5.3 executable as compared to an R4000 with Irix 5.3? > Is some of the 32 bit math run as 64 bit or something? > The program is using dynamic shared libraries for the maths, and these *are* different. Only programs compiled with the nonshared libraries on 5.3 will not use these 6.2 libraries. -- Alexis Cousein Sales Support Engineer Silicon Graphics NV/SA (Belgium) in .be domain: al@sgi.be, elsewhere: al@brussels.sgi.com
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10872d,f1a6641bf2c84dec X-Google-Attributes: gid10872d,public X-Google-Thread: f804b,f1a6641bf2c84dec X-Google-Attributes: gidf804b,public From: Alexis Cousein <al@brussels.sgi.com> Subject: Re: irix 5.3 executable on irix 6.2 Date: 1996/10/23 Message-ID: <326E58CC.237C@brussels.sgi.com> X-Deja-AN: 191531094 references: <54jl92$46r@news.service.uci.edu> to: Dave Schuller <schuller@indigo2.biomol.uci.edu> content-type: text/plain; charset=us-ascii organization: Silicon Graphics Belgium mime-version: 1.0 newsgroups: comp.sys.sgi.admin,bionet.xtallography x-mailer: Mozilla 2.01S (X11; I; IRIX 5.3 IP22)