----- Original Message ----- From: "Milton Brown" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "Milton Brown" <[EMAIL PROTECTED]> Sent: Friday, June 22, 2001 7:36 AM Subject: [PrimeNumbers] AMD vs. Intel Floating Point > The prime number group, might be interested in > these timings. > > Milton L. Brown > ----- Original Message ----- > From: "Jens-Peer Kuska" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, June 21, 2001 11:20 PM > Subject: [mg29486] Re: AMD vs. Intel Floating Point > > > > Hi, > > > > a) the Mathematica speed comparsion from > > > > http://fampm201.tu-graz.ac.at/karl/timings40.html > > > > is posted regular in this news group > > b) on the www-site of *this* news group > > > > http://smc.vnet.net/mathgroup.html > > > > the second head line is a link to various speed > > comparsions found at > > > > http://smc.vnet.net/mathbench.html > > > > and it is quite natural to assume, that a poster to a > > news-group has visited the newsgroup hompage and > > is able to read and understand the headings on a page > > that begins with: > > > > ----------------------------------------------------------- > > >Designed by S. Christensen. > > > > > >MathGroup > > > > > >The Email Group for Mathematica Users > > > > > >Comparison of Mathematica on Various Computers > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > > >MathGroup is now linked to the moderated newsgroup > > > > > >comp.soft-sys.math.mathematica > > > > > > on the Internet. Contact your local system administrator > > > to find out how to read this new group. > > ----------------------------------------------------------- > > > > *and* it is quite natural to assume that a poster to the news group > > has read the group rules (on the same page) one of it say: > > > > >PLEASE SEARCH THE ARCHIVES BEFORE YOU ASK WHAT MIGHT BE A COMMON > QUESTION. > > >See the links above for this. > > > > It must be also sayed, that the Mathematica speed depends in the > > most (symbolic) applications not on the floating point power > > of the CPU. The most actions performed by Mathematica are pointer > > operations with it's internal data structures. I would assume that > > 80-90 % of Mathematica's CPU load are pure interger operations. > > High precision calculations, symbolic operations, operations with > > integers, rationals ... all that don't use the floating point hardware. > > > > It depends shaply on the application how much floating point operations > > are used. But when a Mathematica function has such a huge floating > > point > > load it is always better to write a MathLink program. > > > > Regards > > Jens > > > > > > > > Morfeas79a wrote: > > > > > > Kofi > > > as it is well known the AMD processors up untill the model of K6-3D > > > have serious problems in their floating point operations - this can be > > > observed by running programs with great CPU load like SETI@home, the > > > time for a AMD computer to finish one work unit is about twice as big > > > as this in an Intel computer running on the same MHz. The problem has > > > been solved in later models. Of course all this is not known to > > > Mr.Kuska who thinks that 90% of the questions sent in this newsgroup > > > are of trivial nature or in anycase foolish. > > > > > > Regards > > > Jim > > > > > Unsubscribe by an email to: [EMAIL PROTECTED] > The Prime Pages : http://www.primepages.org > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > _________________________________________________________________________ Unsubscribe & list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
