Date: Fri, 26 Jul 1996 12:36:52 +0000 () From: Pedro A M Vazquez <vazquez@IQM.Unicamp.BR> To: perez@iqsc.sc.usp.br (Denilson) Cc: freebsd-smp@freebsd.org, gomide@power.ufscar.br Subject: Re: FreeBSD on Pentium or Pentium-PRO Message-ID: <199607261236.MAA03634@kalypso.iqm.unicamp.br> In-Reply-To: <199607261518.IAA01738@freefall.freebsd.org> from "Denilson" at Jul 26, 96 12:14:21 pm
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Denilson said: > > 2. Is there any known comparison between performance of a BSD-Intel > (Pentium-166 and/or Pentium-Pro) and UNIX-RISC/6000 for scientific > calculation purposes ? > Hello Denilson I've sent this message to someone in Germany asking the same question on another list: Regards Pedro Instituto de Quimica/Unicamp >>From: Pedro A M Vazquez <vazquez> >Subject: [COMP-CHEM] CCL:G:performance of PPro (fwd) >To: rochus@felix.anorg.chemie.tu-muenchen.de >Date: Wed, 17 Jul 1996 10:31:46 +0000 () > >Hello > We just started to benchmark a PPro200MHz for quantum chemistry >calculations. > While I've not completed all sets of tests I've results for the >Stream benchmark (Memory bandwidth), Bonnie (I/O) and the 4 Gamess >benchmarks. > These results are for an Asustek Motherboard with 64M of RAM, >an Adaptec 2940 SCSI2 adaptor and a NEC 2.1G SCSI2 hard disk running >under FreeBSD2.1.0: > >Stream:(a g94 job running during the benchmark) > >Function Rate (MB/s) RMS time Min time Max time >Assignment: 97.5238 0.1965 0.1641 0.2109 >Scaling : 85.3333 0.1969 0.1875 0.2031 >Summing : 87.7714 0.2813 0.2734 0.2969 >SAXPYing : 90.3529 0.2797 0.2656 0.2891 > >Just for comparision, these are the results for an Alpha Server 1000 4/266 >DEC Unix3.2C: (idle machine) > >Function Rate (MB/s) RMS time Min time Max time >Assignment: 96.0000 0.1801 0.1667 0.1833 >Scaling : 96.0000 0.1836 0.1667 0.2000 >Summing : 96.0000 0.2586 0.2500 0.2833 >SAXPYing : 96.0000 0.2618 0.2500 0.2667 > >Bonnie: > -------Sequential Output-------- ---Sequential Input-- --Random-- > -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- >Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU > >2940/PP200 > 100 3275 56.5 3194 12.8 1424 11.2 4978 80.4 4926 17.8 103.8 4.1 > >Alpha 1000 4/266 DEC RZ28 > 100 4906 95.4 5439 17.4 2550 10.4 4746 82.6 5322 12.6 428.0 10.8 > >GAMESS: >Bench 10 04 13 07 >============================================= >IBM370 64 74 366 391 >P166 61 78 281 335 >IBM580 59 69 322 381 > >PPro200 43.6 69.3 163.7 254.6 <<<<<< > >IBM590 33 33 147 202 >Alpha1000 4/266 23.3 30.5 126.9 147.0 > >The results for the Pentium166 (64M/RAM,FreeBSD2.1.0,2940/NEC2.1HD) and >for the PPro200 were obtained with GAMESS (22/nov/95) compiled with >GNU Fortran 0.5.18 (slightly faster than f2c/gcc). > >I need to benchmark gaussian yet to have a more representative sampling >but as you can see these are very good results for a cheap computer. >If you opt to buy 2 PPro to run GAMESS in parallel you'll got near >two times the above reported performance. > >Pedro > >Rochus Schmid said: >> From comp-chem@iqm.unicamp.br Wed Jul 17 07:17:38 1996 > Date: Wed, 17 Jul 1996 07:05:35 -0300 (EST) > Posted-Date: Wed, 17 Jul 1996 07:05:35 -0300 (EST) > Message-Id: <9607171105.ZM13721@felix> > Reply-To: rochus@felix.anorg.chemie.tu-muenchen.de > Originator: comp-chem@iqm.unicamp.br > Sender: comp-chem@iqm.unicamp.br > Precedence: bulk > From: "Rochus Schmid" <rochus@felix.anorg.chemie.tu-muenchen.de> > To: Multiple recipients of list <comp-chem@iqm.unicamp.br> > X-COMP-CHEM: 13594 > Subject: [COMP-CHEM] CCL:G:performance of PPro > X-Listprocessor-Version: 6.0 -- ListProcessor by Anastasios Kotsikonas/ANSP-0.2 > X-Comment: Quantum & computational chemistry list from OSC.EDU > > Dear Netters, > > I know that this issue appears quite often on this list. I checked a number of > webpages concerning benchmarks but couldn't find the infos. Please forgive me. > > We want to buy a new workstation for running e.g. Gaussian or related > QM-packages. Because of beeing confident with SGI INDY's we checked them first. > However, we found that the Pentium Pro 200 MHz has HIGHER SPECfp95 values than > the R5000 150 MHz and is MUCH cheaper. > > But I guess that SPECfp95 is not the whole story. > Does anyone of you have experience about the performance in "real applications" > of PPro Systems running LINUX (e.g. in comparison with R5000 SC 150MHz INDY > running IRIX). > > Since I can buy two PPro for one INDY this is a real problem for me. > Thank you very much in advance. I will summarize. > > Rochus > > -- > > ******************************************************************************** > Rochus Schmid > Technische Universitaet Muenchen Tel. ++49 89 2891 3140 > Lehrstuhl f. Anorganische Chemie 1 Fax. ++49 89 2891 3088 > Prof. W. A. Herrmann E-mail: > Lichtenbergstrasse 4 rochus@felix.anorg.chemie.tu-muenchen.de > 85747 Garching > ******************************************************************************** > > -------This is added Automatically by the Software-------- > -- Original Sender Envelope Address: rochus@felix.anorg.chemie.tu-muenchen.de > -- Original Sender From: Address: rochus@felix.anorg.chemie.tu-muenchen.de > CHEMISTRY@ccl.osc.edu: Everybody | CHEMISTRY-REQUEST@ccl.osc.edu: Coordinator > MAILSERV@ccl.osc.edu: HELP CHEMISTRY or HELP SEARCH | Gopher: ccl.osc.edu 73 > Anon. ftp: ccl.osc.edu | CHEMISTRY-SEARCH@ccl.osc.edu -- archive search > Web: http://ccl.osc.edu/chemistry.html > > -- Told to type R-U-N (in a BASIC class), he typed ARE YOU IN
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