Microsoft offers "HPC" on Azure

Parallel processing for Excel jobs, millions of micro-calculations

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If you've seen the headlines saying Microsoft has added a Windows Server supercomputer to its Azure cloud service, I'm sure you're confused.

Microsoft, you may believe, does not make a supercomputer.

The definition of "supercomputer," you may believe, includes the words "not made or significantly influenced by Microsoft."

In this you'd be wrong. The definition does not contain those words.

It does say that modern supercomputers, rather than run a workload against a dozen or two high-performance vector processors, are actually massively parallel processing units that break up a workload into many small parts and run each on all the available servers and (where available and configured correctly) underworked Windows 7 machines.

Microsoft's HPC server is almost -- almost -- SETI@home.

On Azure, the HPC function is actually an extension of Microsoft's decision last week to allow customers to launch their own instances of Windows Server on the Azure service, rather than just running .NET or Visual Basic applications directly on Azure with comparatively little access to the operating resources their applications get.

Windows HPC Server 2008 R2 is the next-generation of Microsoft's cluster OS -- Windows Compute Cluster Server 2003.

The newest version is designed to break up technical workloads just as the previous version, but it also includes support for better graphics to allow for better performance for modeling applications, the ability to spread work units onto workstations, connections to network-based applications and specific support for large compute or update jobs in Microsoft Excel.

By allowing customers to launch instances of HPC Server, Microsoft isn't so much giving them a brand new operating system as allowing them to spread even enormous workloads across larger virtual cluster of machines.

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