THE 2nd OF SUPER COMPUTER

Jaguar | TOP500 Supercomputing SitesProject

Statistics Type:

Vendors Countries Geographical Region Continents Architecture Application Area Segments Processor Architecture Processor Family Processor Generation Interconnect Family Interconnect Operating system Family Operating System Number of Processors.

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November 2007, June 2007, November 2006, June 2006, November 2005 Parity is for farmers.Seymour Cray [when he was told that the Cray-1 memory system, which did not have
parity checking, was malfunctioning at Los Alamos due to the altitude.Bookmark

Details Performance/Linpack Data Ranking History :

· System Name Jaguar

· Site Oak Ridge National Laboratory

· System Family Cray XT

· System Model Cray XT4

· Computer Cray XT4/XT3

· Vendor Cray Inc.

· URLhttp://info.nccs.gov/resources...

· Application area Not Specified

· Installation Year 2006

· Operating System UNICOS/SUSE Linux

· InterconnectXT3 Internal Interconnect

· Processor AMD x86_64 Opteron Dual Core 2600 MHz (5.2 GFlops)

Jaguar is a Cray XT containing a combination of XT3 and XT4 systems. It is provided as a primary system in the National Leadership Computing Facility (NLCF). The current Jaguar installation has a total of 11,706 processor nodes. Of those, 11,508 are configured as compute nodes and the remainder provide I/O and login services. Each of the compute nodes contain 2.6 GHz dual-core AMD Opteron processors and 4 GB of memory. The service nodes consist of a 2.6 GHz dual-core AMD Opteron processor with 8 GB of memory. The system provides an aggregate peak performance of over 119 Teraflops with approximately 46 terabytes of aggregate memory. The system has approximately 600 TB of scratch disk space available for use in the lustre file system. Each node is connected to a Cray Seastar router through Hypertransport, and the Seastars are all interconnected in a 3D-torus topology. The resulting interconnect has very high bandwidth, low latency, and extreme scalability. The operating system is UNICOS/lc, which is a combination of Linux on the service nodes and the Catamount microkernel on the compute nodes. Catamount is designed to minimize system overhead, thus allowing scalable low-latency global communication. Copyright (c) 2000-2007 TOP500.Org | All trademarks and

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