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Windows HPC Server 2008, released by Microsoft in September 2008, is the successor product to Windows Compute Cluster Server 2003. Like WCCS, Windows HPC Server 2008 is designed for high-end applications that require high performance computing clusters. This version of the server is claimed to efficiently scale to thousands of cores. It includes features unique to HPC workloads: a new high-speed NetworkDirect RDMA, highly efficient and scalable cluster management tools, a service-oriented architecture (SOA) job scheduler, and cluster interoperability through standards such as the High Performance Computing Basic Profile (HPCBP) specification produced by the Open Grid Forum (OGF).

In June 2008, a system built collaboratively with the National Center for Supercomputing Applications (NCSA) and Microsoft ranked #23 on the Top500 list, a ranking of the world's fastest supercomputers, with a LINPACK score of 68.5 teraflops.

In the November 2008 rankings published by, a Windows HPC system built by the Shanghai Supercomputer Center achieved 180.6 teraflops, a peak performance that placed the Dawning 5000A system at #10 on the list of the world's fastest supercomputers. However, as of June 2009, Windows HPC only has about 1% of the market of the 500 most powerful supercomputers, with about 1.5% of total gigaflops, with Linux dominating the rankings and Unix second place. The other two systems in the top 100 that can run Windows HPC do so only part of the time[1][2].


Windows HPC Server 2008 R2

A second release is available on Microsoft's websites for evaluation. It includes some improvements and new features. The OS is in beta development stage and there is a CTP (community technology preview) program running. [3]

See also


External links



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