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To: combjelly who wrote (150054)	11/28/2001 9:51:30 AM
From: Joseph Pareti	Read Replies (2) \| Respond to of 186894

cluster supercomputer uses Infiniband (INTEL inside) =================================================== 14:21 Tuesday 30th October 2001 Computerwire.com Fujitsu has built a supercomputer by linking Intel servers with the new Infiniband interconnect Fujitsu's research laboratories have built the first Linux-based supercomputer cluster using the open standard InfiniBand interconnect. The cluster, which was built from 16 two-way Primergy Intel-based servers, was created using InfiniBand fabric that provided a maximum data transfer rate of 2.5Gbit/s. Both Fujitsu and Intel are members of the InfiniBand Trade Association, and IBM is the other big cheerleader for InfiniBand technology. Unlike many Intel-based Linux clusters, which rely on the open source Beowulf clustering software, Fujitsu's InfiniBand-based supercomputer uses a clustering program called SCore, which was commissioned by the Japanese Ministry of Economy, Trade and Industry and developed by Real World Computing Partnership (RWCP), a consortium based in Tsukuba, Japan. The SCore clustering program does not, like Beowulf, use the TCP/IP protocol stack for interserver communication, but rather relies on a much leaner and meaner SCore protocol that can link clusters over Ethernet, Fast Ethernet, Gigabit Ethernet or Myrinet, a specialist network technology for clusters. Using the Myrinet interconnect, an SCore cluster with 64 dual-processor NEC Express 5800 servers with 800MHz Pentium-III processors and 512MB of main memory was able to deliver 146.9Mbit/s of bandwidth. Gigabit Ethernet links delivered half of that bandwidth on the same cluster, and triple Fast Ethernet links delivered half again that bandwidth under the best of circumstances. That the InfiniBand interconnect fabric could deliver a sustained bandwidth of 2.5Gbit/s on a similar SCore cluster shows the reason why IBM, Fujitsu, Intel, Sun Microsystems, Hewlett-Packard, Compaq Computer and other heavy promoters of InfiniBand are looking for this technology to transform supercomputer clusters, and any server-to-peripheral as well as server-to-server connections. The Fujitsu SCore cluster was built using pre-release versions of InfiniBand hardware and software from Intel. Fujitsu demonstrated the SCore Infiniband cluster running a molecular dynamics calculation application called Amber that was developed at the University of California in San Francisco. The Amber application was built using Intel's 32-bit Fortran compilers for the Pentium III processors. The RWCP lab has been prototyping supercomputer clusters based on Unix workstations and Unix and Linux servers since 1995. The lab has demonstrated SCore clustering on Sun Sparc, Compaq Alpha, and Intel Pentium platforms. The biggest SCore cluster it has built to date is a 512 processor cluster comprising 256 dual-processor NEC Express 5800 servers with 933MHz Pentium III processors and 512Megabyte of memory. This cluster, called the SCore cluster III, ran the TurboLinux 6.1 version of Linux and the SCore 4.1 version of the SCore clustering software. This cluster delivered a peak performance of 955 gigaflops using a mix of Myrinet and Fast Ethernet interconnect.

To: combjelly who wrote (150054)	11/28/2001 10:01:30 AM
From: jetcityrandy	Respond to of 186894

Box makers have generally been hit hard. But it seems that MicronPC has seriously misfired? It seems that five years ago, consumers really liked micronpcs, however, Dell now appears to the market leader.