EDACafe Weekly Review May 14th, 2015

 

There’s a perfect storm currently underway at the EDA Consortium based in Silicon Valley. First of all, after twenty years of distinguished service to the organization, the last ten as Executive Director, Robert Gardner is retiring. His leadership and talents will be sorely missed, as an industry expert and organizational wizard, and as as accomplished musician providing endless hours of sophisticated entertainment at countless EDAC events. Uniquify’s Bob Smith, himself an accomplished, well-known player in the EDA industry, has been tapped to take over for Gardner. [See our conversation below …]

Second of all, for the first time the consortium has two individuals serving simultaneously as chairman: Cadence CEO Lip-Bu Tan and PDF Solutions President & CEO John Kibarian. Although previously active on the board, neither of these gentlemen has served as EDAC co-Chair; all signs suggest that their joint efforts, and fortuitous synergy of design and manufacturing, are promoting fresh sensibilities and renewed commitments to collegiality across the EDAC membership.

Third, and perhaps most importantly, IP is the new black in EDA. When the consortium was initiated in the last millennium, the membership really was all about electronic design automation. Today, many ‘generations’ later, the name of the game in semiconductor design is reuse and third-party IP. And it’s in that spirit that both Sonics President & CEO Grant Pierce and ARM CEO Simon Segars are currently serving on the consortium’s Board of Directors, along with EDA stalwarts Mentor’s Wally Rhines, Synopsys’ Aart de Geus, IC Manage’s Dean Drako, and Atrenta’s Ajoy Bose.

And so the world turns: The EDA Consortium is undergoing profound changes, and in so doing reflects the evolutionary cataclysm overtaking the entire semiconductor design and manufacturing supply chain.

Portable Stimulus Layer 1: Test Abstraction
May 14, 2015  by Tom Anderson, VP of Marketing

From the number of blog views, it’s clear that the topic of “portable stimulus” is of considerable interest to our readers. As a reminder, Accellera’s Portable Stimulus Working Group (PSWG) is developing a standard in this area and Breker is helping to lead this effort. In our last two posts on this topic, we have outlined our guiding principles for any proposed standard, based on our own experience over the years with our most advanced customers. We also split the goal of the portable stimulus effort into three parts: defining the tests using abstract primitive operations, scheduling the tests across multiple threads and multiple processors, and randomizing the control flow to verify the full range of realistic use-case scenarios.

For this post, we’re going to explore the first level in more detail. We made the statement in our last post that the test abstraction level can be standardized using a simple application programming interface (API) to specify the abstract steps of the test. The API defines the access to a base-class library providing the primitive operations used to create portable tests. First of all, let’s be clear that this is not a theoretical proposal. We have provided a library with a defined API for several years and this is a key building block of our own portable stimulus and test solution. We know that this approach works from our own customers and believe that it would be an excellent foundation for a standard.

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