Re: Gigahertz Benchmarks in a world of multicores
- To: mathgroup at smc.vnet.net
- Subject: [mg58946] Re: Gigahertz Benchmarks in a world of multicores
- From: Heath Gerhardt <heathgerhardt at hotmail.com>
- Date: Sun, 24 Jul 2005 01:22:06 -0400 (EDT)
- Organization: Department of Computer Science, University of Calgary
- References: <dbnias$hh7$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
The Pentium M is actually more powerful than both the Pentium 4 and the Athlon 64: http://www.tomshardware.com/cpu/20050525/index.html Heath Hobbs, Sylvia (DPH) wrote: > Hi! > > Yes Yasvir, definitely an amusing epiphany for your little laptop. Sounds > like a Tortoise and Hare matrix transposition race. Gigahertz benchmark > races are going to become stranger and stranger (or become obsolescent), > what with the new Pentium D true multicore having two Pentium 4 processor > cores on a single die (or rather multichip). Software needs to progress to > exploit multicores to notice a difference. Also, won't we live in an even > more exciting world when the new Longhorn Operating System has her > Debutante's Ball in Fall 2006? > > Sylvia Hobbs > > PS: If your cat is always getting near my computer screen, especially when > you are transposing matrices, consider this website for how to clean your > monitor: http://www.legrady.hu/sc.html > > > > -----Original Message----- > From: Yasvir A. Tesiram [mailto:tesiramy at omrf.ouhsc.edu] To: mathgroup at smc.vnet.net > Subject: [mg58946] ? > > Hi, > This Benchmark test has had me intrigued for some time, especially in > Linux systems where system libraries change continuously. And I was > especially amused when my little 2.0GHz Pentium M laptop (Debian > Linux kernel 2.6.12) outdid a Redhat 9 Pentium4 3.2GHz and the Athlon 64 > 3200+ (Suse Linux) when it came to Transposing matrices. I guess thats > where the buck stopped, because it was thoroughly thrashed on all other > accounts. > > Cheers > Yas > > > On Tue, 19 Jul 2005, Murray Eisenberg wrote: > > >>That's plausible -- but a bit surprising to me given benchmark results >>for my machine vs. some of the reference systems: >> >> 2p 2.4 GHz Opteron 250 (Sun Solaris 10): 1.45 >>mine -> 3.2 GHz Pentium 4 Extreme Edition (Windows XP Pro): 1.42 >> 2p 2.5 GHz G5 Apple Mac OS 10.41): 1.15 >> >>I guess raw processor speed really makes a difference with these > > benchmarks. > >> >>Sseziwa Mukasa wrote: >> >>>My guess would be dual processor. With the option for more, eg 4p for >>>a quad processor. >>> >>>On Jul 18, 2005, at 3:21 AM, Murray Eisenberg wrote: >>> >>> >>>>Mathematica's version 5.2 StandardPackages Utilities`Benchmark` >>>>identifies several of the reference systems as "2p" -- e.g., "2p 1.4 > > GHz > >>>>Itanium 2", "2p 2.5 GHz G5". >>>> >>>>What does the "2p" mean? >>>>-- >>>>Murray Eisenberg murray at math.umass.edu >>>>Mathematics & Statistics Dept. >>>>Lederle Graduate Research Tower phone 413 549-1020 (H) >>>>University of Massachusetts 413 545-2859 (W) >>>>710 North Pleasant Street fax 413 545-1801 >>>>Amherst, MA 01003-9305 >>>> >>>> >>> >>> >>-- >>Murray Eisenberg murray at math.umass.edu >>Mathematics & Statistics Dept. >>Lederle Graduate Research Tower phone 413 549-1020 (H) >>University of Massachusetts 413 545-2859 (W) >>710 North Pleasant Street fax 413 545-1801 >>Amherst, MA 01003-9305 >> > >