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QLogic to Optimize InfiniBand Performance on NVIDIA Tesla GPUs Using NVIDIA GPUDirect
GPU-Equipped Clusters From NVIDIA, Coupled With QLogic TrueScale InfiniBand Fabric, Achieve New Levels of Computational and Message Passing Performance

ALISO VIEJO, Calif., May 31, 2010 (GlobeNewswire via COMTEX) --QLogic Corp. (Nasdaq:QLGC) today announced that it is working closely with NVIDIA to optimize performance of NVIDIA Tesla GPUs in multi-node configurations interconnected with QLogic(R) TrueScale(TM) InfiniBand(R) fabrics. By tapping into the new NVIDIA GPUDirect(TM) technology, QLogic InfiniBand adapters, switches and directors communicate directly with NVIDIA GPUs with reduced CPU involvement, reducing communication overhead for optimal results.

"HPC environments increasingly deploy multiple nodes with NVIDIA GPUs to speed up processing for computationally-intensive applications such as seismic processing and molecular dynamics modeling," said Andy Keane, general manager, Tesla business at NVIDIA. "QLogic's TrueScale InfiniBand architecture, optimized with our GPUDirect technology, natively supports this distributed computing environment with fully optimized NVIDIA-based GPU performance and industry-leading message passing performance."

QLogic's TrueScale InfiniBand architecture requires no application re-compilation or software patches to deliver computational performance with NVIDIA GPUs, and still maintain the industry-leading scalable latency and high message rate for which QLogic InfiniBand solutions are known.

"Our work with NVIDIA is another demonstration of how QLogic TrueScale InfiniBand goes beyond basic OpenFabrics implementations to fully optimize the performance of key cluster technologies," said Jesse Parker, vice president and general manager, Network Solutions Group, QLogic. "Our software development groups continually strive to anticipate and meet the needs of HPC users who are implementing the latest technologies to maximize application performance, and our support of NVIDIA and its innovative GPUDirect technology is a great example of how those efforts benefit customers."

InfiniBand Networks Powered by QLogic

QLogic offers a comprehensive, end-to-end portfolio of InfiniBand networking products for HPC, including QDR host channel adapters, QDR multi-protocol director and edge switches and intuitive tools to install, operate, and maintain high-performance fabrics. Delivering the industry's highest message rate, lowest MPI latency and highest effective bandwidth, QLogic InfiniBand adapters enable MPI and TCP applications to scale to thousands of nodes with industry-leading price-performance. As the most comprehensive and flexible HPC cluster interconnect fabric solutions on the market, QLogic QDR InfiniBand switches incorporate the industry's only management tools that enable an administrator to install and boot an InfiniBand fabric in minutes, helping to accommodate the growing demand for high performance computational clusters and grids.

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About QLogic

QLogic (Nasdaq:QLGC) is a global leader and technology innovator in high performance networking, including adapters, switches and ASICs. Leading OEMs and channel partners worldwide rely on QLogic products for their data, storage and server networking solutions. For more information, visit www.qlogic.com.

Disclaimer - Forward Looking Statements

This press release contains statements relating to future results of the company (including certain beliefs and projections regarding business trends) that are "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those projected or implied in the forward-looking statements. The company advises readers that these potential risks and uncertainties include, but are not limited to: declines in information technology spending levels; potential fluctuations in operating results; gross margins that may vary over time; the stock price of the company may be volatile; the company's dependence on the networking markets served; potential adverse effects of server virtualization technology on the company's business; potential adverse effects of increased market acceptance of blade servers; the ability to maintain and gain market or industry acceptance of the company's products; the company's dependence on a small number of customers; seasonal fluctuations and uneven sales patterns in orders from customers; the company's ability to compete effectively with other companies; declining average unit sales prices of comparable products; a reduction in sales efforts by current distributors; the company's dependence on sole source and limited source suppliers; the company's dependence on relationships with certain third-party subcontractors and contract manufacturers; declines in the market value of the company's investment securities; the complexity of the company's products; sales fluctuations arising from customer transitions to new products; changes in the company's tax provisions or adverse outcomes resulting from examination of its income tax returns; environmental compliance costs; international economic, regulatory, political and other risks; uncertain benefits from strategic business combinations; the ability to attract and retain key personnel; difficulties in transitioning to smaller geometry process technologies; the ability to protect proprietary rights; the ability to satisfactorily resolve any infringement claims; reliance on third party technology; the use of "open source" software in the company's products; changes in regulations or standards regarding energy use of the company's products; computer viruses and other tampering with the company's computer systems; and facilities of the company and its suppliers and customers are located in areas subject to natural disasters.

More detailed information on these and additional factors which could affect the company's operating and financial results are described in the company's Forms 10-K, 10-Q and other reports filed, or to be filed, with the Securities and Exchange Commission. The company urges all interested parties to read these reports to gain a better understanding of the business and other risks that the company faces. The forward-looking statements contained in this press release are made only as of the date hereof, and the company does not intend to update or revise these forward-looking statements, whether as a result of new information, future events or otherwise.

     QLogic and the QLogic logo are registered trademarks of QLogic
Corporation. Other trademarks and registered trademarks are the property
            of the companies with which they are associated.

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: QLogic Corp.

CONTACT: QLogic Corporation
Media Contact:
Sonal Dave, 949-389-6000
sonal.dave@qlogic.com
or
Investor Contact:
Doug Naylor, 949-389-7525
doug.naylor@qlogic.com