Testing: One, Two, AMD

The chipmaker boosts its test center, third-party tools and virtualization specs.


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AMD today said it has improved its test center for evaluating dual- and quad-core processors.

The AMD (Quote) Developer Center, located in the company's Sunnyvale, Calif. offices, includes a test bed for the new quad-core Opteron processor, code-named "Barcelona."

Later in this quarter, AMD will offer customers and partners access to fully configured dual-core and quad-core Opteron clusters and servers to develop, test and optimize applications.

AMD is also working with software tools vendors and the open source software community to deliver compilers and other developer tools to optimize applications for the new Barcelona processor. The latest releases from the GNU Compiler Collection (GCC) and The Portland Group (PGI) are already optimized for Barcelona processors.

AMD is also working with Microsoft (Quote) and Sun (Quote) to ensure that their popular development tools, Microsoft Visual Studio and Sun Studio, will also support code optimization.

Barcelona processors, which the company intends as the chips to give Intel a run in the competitive market, will sport a 128-bit floating point engine, ostensibly doubling the 64-bit floating point in current Opteron chips.

"Barcelona is a lot more than four cores. By recompiling your code, you can have the option so you can get enhanced floating point capability," Margaret Lewis, AMD director of commercial solutions. told internetnews.com.

AMD also updated its AMD Virtualization Technology (AMD-V) and the AMD I/O Virtualization Technology (IOMMU) specifications to improve throughput and scalability in virtualized environments.

The latest revisions, 1.20, add support for AMD's I/O Memory Management Unit (IOMMU) to provide secure performance in a virtualized environment. The new version of the spec also offers better isolation between virtual machines and is better able to protect a virtual machine from reading/writing to memory it doesn't own.

AMD also added the ability to add direct device assignment, so a specific device can be assigned to specific virtual machines. This will greatly improve the performance of those devices in certain applications. It also comes with new technologies for interrupt remapping and enhanced error recovery.

This article was first published on InternetNews.com. To read the full article, click here.

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