From kotelyan@che.udel.edu Thu Oct 24 15:31:47 1996 Received: from che.udel.edu for kotelyan@che.udel.edu by www.ccl.net (8.8.0/950822.1) id OAA26145; Thu, 24 Oct 1996 14:33:08 -0400 (EDT) Received: by che.udel.edu (AIX 3.2/UCB 5.64/4.03) id AA34232; Thu, 24 Oct 1996 14:32:10 -0400 Date: Thu, 24 Oct 1996 14:31:37 +22305133 (EDT) From: Michael Kotelyanskii Subject: Re: CCL:Charmm24-benchmark PPro versus SGI To: Bernd Melchers Cc: chemistry@www.ccl.net In-Reply-To: Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII That's interesting , but why is R10000 missing from the MD ? Michael Kotelyanskii PhD Department of Chemical Engineering University of Delaware kotelyan@che.udel.edu Newark DE 19716 On Thu, 24 Oct 1996, Bernd Melchers wrote: > hello, > we performed some charmm24 benchmarks with a Pentium Pro and with some > Silicon Graphics machines: > > 1. modelling (select, coor orien, hbuild) and some energy minimization > (i.e. integer and floating point) > a) R4600 100 MHz 24.45 MINUTES > b) R4400 150 MHz 14.08 MINUTES > c) R8000 75 MHz 7.21 MINUTES > d) PPro 200 MHz 5.53 MINUTES > e) R10000 195MHz 2.51 MINUTES > > > 2. molecular dynamik simulation (i.e. much floating point) > f) R4000 100 MHz 4.36 hours > b) R4400 150 MHz 2.90 hours > d) PPro 200 MHz 1.29 hours > > > machine/compiler description: > > a) Indy, IRIX-5.3, R4600SC, 100 MHz, 16+16/0 Cache, cc -O2 > b) Indigo, IRIX-5.3, R4400, 150 MHz, 16+16/1024 Cache, cc -O2 > c) Power Indigo^2, IRIX-6.2, R8000, 75 MHz, 16+16/2048 Cache, cc -O3 -mips4 > d) PentiumPro Asus Natoma Board, 200 MHz, 16+16(?)/256 Cache, gcc-2.7.2/ > g77-0.5.18 -O2 running linux kernel 2.0.18 > e) R10000, IRIX-6.2, 195 MHz, 32+32/1024 Cache, cc -O3 -mips4 > f) Indigo R4000, IRIX-5.3, 100 MHz, 16+16/1024 Cache, cc -O2 > > the results are not too bad for the intel chips, aren't they? > > Ciao > Bernd > -- > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Bernd Melchers | melchers@FU-Berlin.DE > Freie Universitaet Berlin | > Institut fuer Kristallographie | Please replace battery pack, > Takustr. 6 | attach external power, > D 14195 Berlin | or system will be > Germany | shutdown in 10 seconds. > Earth | > Tel.: ++49-30-8383612 | Fax.: ++49-30-8383464 > picture and pgp key: http://www.chemie.fu-berlin.de/~melchers > "We don't write software, we compose it." > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > > -------This is added Automatically by the Software-------- > -- Original Sender Envelope Address: melchers@chemie.fu-berlin.de > -- Original Sender From: Address: melchers@chemie.fu-berlin.de > CHEMISTRY@www.ccl.net: Everybody | CHEMISTRY-REQUEST@www.ccl.net: Coordinator > MAILSERV@www.ccl.net: HELP CHEMISTRY or HELP SEARCH | Gopher: www.ccl.net 73 > Anon. ftp: www.ccl.net | CHEMISTRY-SEARCH@www.ccl.net -- archive search > Web: http://www.ccl.net/chemistry.html >