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OVM World Collaborates on Accellera’s Industry Solution for VIP Interoperability
Contributions from Cadence and Mentor Central to Accellera “Best Practices” Verification Guide

WILSONVILLE, Ore. and SAN JOSE, Calif., 22 Jul 2009

Mentor Graphics (Nasdaq: MENT) and Cadence Design Systems, Inc. (Nasdaq: CDNS) today announced that the Accellera guide for verification IP (VIP) interoperability, currently in draft form, was enabled by technology contributions provided by both companies in open source form, and served as a basis for the reference implementation of the Accellera VIP Technical Sub-Committee (TSC) “Best Practices” guide. The guide provides recommendations for interoperability between verification components compliant with the Open Verification Methodology (OVM) and those developed using legacy methodologies such as the approach documented in the Verification Methodology Manual (VMM).

Historically, advanced verification users have had to invest a great deal of time and effort to develop verification environments with VIP from different sources. At the same time that the Accellera VIP TSC was framing the requirements for an interoperability solution, Cadence® and Mentor, working with leading customers, members of the OVM Advisory Group (OAG), and other industry participants, developed a set of library components fulfilling these requirements. This reference implementation was a key to validating the draft Accellera interoperability guide, which incorporates many portions of the documentation developed by Mentor, Cadence, and their OVM World partners.

“Our customers embraced the OVM very quickly when it was introduced two years ago, but communicated clearly that they wanted to include legacy VIP without having to re-write it from scratch,” said Dennis Brophy, director of strategic business development at Mentor Graphics. “We took a lead role in Accellera to define the industry requirements while working with our OVM partners to develop an interoperability solution. We are pleased to see the results of our efforts reflected in the draft guide that Accellera is in the process of making a standard.”

All aspects of the reference implementation are compliant with IEEE Std. 1800-2005 SystemVerilog and have been thoroughly verified using OVM 2.0.1 on the Cadence Incisive® and Mentor Questa verification solutions. The VIP interoperability approach documented in the draft Accellera guide enables users to integrate VIP written in standard IEEE verification and modeling languages and legacy methodologies. This minimizes the need to re-write existing VIP when setting up an OVM-based verification environment, a clear savings in cost and time to market for users.

“With our long history of support for SystemC models and e-based verification, our customers required a solution that spanned these two languages as well as SystemVerilog,” said Stan Krolikoski, group director, standards and ecosystem at Cadence. “Our leadership in the Accellera VIP TSC ensured that the scope of interoperability would span multiple languages and multiple methodologies. The OVM is robust enough to provide a complete solution for all of our customers, so we strongly support the draft Accellera interoperability guide and its recommended best practices.”

About the Open Verification Methodology
The Open Verification Methodology is the first open, language-interoperable, verification methodology in the industry. It provides a methodology and accompanying libraries that allow users to create modular, reusable verification environments in which components communicate with each other via standard transaction-level modeling interfaces. It also enables intra- and inter-company reuse through a common methodology and classes for virtual sequences and block-to-system reuse, and full integration with other languages commonly used in production flows. The OVM and OVM World began in August 2007 as a joint effort by Cadence Design Systems and Mentor Graphics.

For more information, please contact:

Dean Solov
Cadence Design Systems, Inc.
408-944-7226
dsolov@cadence.com

Suzanne Graham
Mentor Graphics
503-685-7789
suzanne_graham@mentor.com



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Mentor Graphics is a registered trademark of Mentor Graphics Corporation. All other company or product names are the registered trademarks or trademarks of their respective owners.