G.M.Sigut wrote: > On Sat, 2007-12-15 at 12:01 -0800, [EMAIL PROTECTED] wrote: > ... >> 2. Re: large array to run (Geoff Jacobs) > ... >> Message: 2 >> Date: Fri, 14 Dec 2007 21:46:42 -0600 >> From: Geoff Jacobs <[EMAIL PROTECTED]> >> Subject: Re: [Beowulf] large array to run >> To: Craig Tierney <[EMAIL PROTECTED]> >> Cc: beowulf@beowulf.org, Mark Hahn <[EMAIL PROTECTED]> > ... >> Craig Tierney wrote: >> <snippage /> > ... >> IIRC, the CDC 6600 (and compatibles) had a 48 bit integer format as >> default. So, yes it does vary. I guess I was rolling the dice a little. > > My memory is telling me, that while the arithmetics on the 6000 series > might have been done with 48 bits, the memory assignment was in words. > One integer took one word of 60 bits (i.e. 5 bytes of 12 bits each). > > George >
Right you are. 5 12 bit bytes. I was confusing with the FP coefficient. Still weird, which was the whole point. Namely, more obscure examples of hardware and software will have differences in data representation. -- Geoffrey D. Jacobs _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
