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 The Breker Trekker
Tom Anderson, VP of Marketing
Tom Anderson, VP of Marketing
Tom Anderson is vice president of Marketing for Breker Verification Systems. He previously served as Product Management Group Director for Advanced Verification Solutions at Cadence, Technical Marketing Director in the Verification Group at Synopsys and Vice President of Applications Engineering at … More »

Guest Post: Open Source Requires Open Minds, Especially in EDA Verification

 
July 20th, 2016 by Tom Anderson, VP of Marketing

Few recent announcements in the EDA, IP, or semiconductor industries have had the impact of SoftBank’s proposed US$32B acquisition of ARM. Many commentators have weighed in on this news. Today’s guest blogger, OneSpin Solutions Vice President of Marketing David Kelf, shares some thoughts on how changes to the ARM universe might intersect with ongoing changes in the open source community:

One side effect of the ARM acquisition news was an increase in the debate on the fascinating RISC-V Open Source processor development. Clearly this has the interest of a number of significant ARM users, judging by the recent workshop at MIT last week as one example, and might represent a significant game changer. It also begs the question on the application of Open Source, and indeed standardization efforts in general, in verification and how programs in this area might change the dynamics of increasingly closed environments from the two largest EDA vendors. Read the rest of Guest Post: Open Source Requires Open Minds, Especially in EDA Verification

Evolution or Revolution in System-Level Verification?

 
July 14th, 2016 by Tom Anderson, VP of Marketing

Recently, SemiconductorEngineering published the three-part series “System-Level Verification Tackles New Role” as part of its ongoing “Experts at the Table” discussions. The format is simple–an editor sits down with four or five industry experts to discuss a particular topic–but the debate can be lively and the result educational. Breker participates in these roundtables as often as we can, focusing of course on verification among the many technical topics covered by the site.

In advertising a “new role” for system-level verification, this particular series was not overstating the case. We tend to talk a lot about the evolution of verification in general, especially for system-on-chip (SoC) devices and multi-SoC systems. But in some ways what is happening now with our products and the Accellera portable stimulus standardization effort is more revolutionary than evolutionary. So which is it? We’ll attempt to answer that question in today’s post here on The Breker Trekker blog.

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The Return of EDA Startups, Behemoths, Corner Stores, and Zombies

 
July 5th, 2016 by Tom Anderson, VP of Marketing

If the title of  today’s post sounds familiar, that’s not surprising. The most popular post in the history of The Breker Trekker blog, by a significant margin, was “An EDA Industry of Startups, Behemoths, Corner Stores, and Zombies?” published almost three years ago. I thought that it would be fun to revisit this topic in light of the changes in the EDA industry over the past three years. Have these changes fundamentally altered our world? Please read on to see.

I’ll begin, as I did in the original post, by noting that the EDA industry used to be divided into only three categories: major leaguers, minor leaguers, and startups. Nearly all EDA startups disappeared after three or four years, with three possible endgames: acquisition, initial public offering (IPO), or bankruptcy. The major leaguers, at one time or another, included Daisy, Mentor, Valid, Cadence, Synopsys, and Avant.

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Opening a TrekBox for Your Birthday

 
June 29th, 2016 by Tom Anderson, VP of Marketing

Over the more than three years of posts here on The Breker Trekker blog, you’ve seen us reference our TrekBox runtime component on many occasions. We mention it in many contexts: test case visualization, memory usage visualization, test case status, test case debugging, system-level coverage, performance analysis, I/O interfacing, UVM testbench control, and more. We’ve never had a post on TrekBox itself, so today we rectify that and fill in a few details that we haven’t discussed before.

Some of you are familiar with the term “trickbox” in the context of a simulation testbench. We found a nice concise definition of this term in an ARM patent: “Memory mapped (behavioral) test bench component to facilitate verification.” By writing to designated memory addresses, the processors in the design being verified can send messages to the testbench for various actions. Our TrekBox is of course a play on the “trickbox” name, and it provides many presents inside for those who open it.

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Automated, Realistic Performance Analysis for Your SoC

 
June 22nd, 2016 by Tom Anderson, VP of Marketing

We have a saying here at Breker that the fundamental job of any EDA company in the functional verification space is to “find more bugs, more quickly.” A good verification solution increases design quality by finding more bugs, improves time to market by closing verification faster, or reduces project cost by requiring fewer resources. A great verification solution, which we strive to offer, does all three. Accordingly, we talk a lot about the type of design bugs we can find with less time and effort than traditional methods.

We have another saying at Breker: “A performance shortfall is a functional bug.” A lot of people differentiate between these two cases, but we don’t agree. The specification for your SoC describes its performance goals as well as its functionality. Not meeting your requirements for latency or throughout can render your SoC unsellable just as surely as a broken feature. So we also talk a lot about how our portable stimulus techniques generate test cases for performance verification.

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Electronics Trade Press, the Bell Tolls for Thee

 
June 15th, 2016 by Tom Anderson, VP of Marketing

In the last few days before DAC, as I was worrying about booth setup and demo practice, an important press release flashed by. The opening paragraph really should have caught my eye immediately: “Arrow Electronics, Inc. (NYSE: ARW) announced today that it has signed a definitive agreement to acquire the global internet media portfolio focused on technology and electronic design from UBM, including EE Times, EDN, ESM, Embedded, EBN, TechONline, and Datasheets.com.”

Perhaps this news doesn’t seem especially important to many readers, but to observers of the electronics trade press this is a big deal. The titles listed above are some of the best-known brands in the business. Arrow is an electronics distributor and services provider with a fine reputation, but it is not a traditional publisher. This industry transition has given me pause so I will make a few observations and then solicit your thoughts.

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Report from Austin: BBQ, DAC, and Portable Stimulus

 
June 9th, 2016 by Tom Anderson, VP of Marketing

We’ve just wrapped up the 53rd annual Design Automation Conference (DAC), held for just the second time in Austin. As we mentioned in our show preview last week, Breker was founded in Austin so it’s always nice to return to our roots. With its live music, countless good BBQ joints, and sense of history, Austin is always a fun place to visit. The city has a large high-tech workforce, so we expected crowds similar to those in San Francisco or San Diego.

To be honest, the exhibition floor looked rather quiet at times. With the wide aisles and many attendees clustered around the Big Three EDA vendors and those booths with entertainment or giveaways, other parts of the floor seemed forgotten. Fortunately, our booth was on the major cross aisle and we had the industry momentum around portable stimulus in our favor, so we had a very good show. We’ll discuss our results as we fill in a few highlights from the four days we were there.

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Please Join Us at DAC to Catch Up on Breker’s Technology

 
June 1st, 2016 by Tom Anderson, VP of Marketing

The Design Automation Conference (DAC) us nearly upon us once again, this year returning to Austin in just a few days. The first-ever DAC in Austin was held three years ago and it was by all accounts a really good show. It was nice seeing new faces who could carve out an afternoon to visit the exhibit floor but who couldn’t get permission to travel when DAC is elsewhere. We were very pleased by both the number of people who stopped by our booth and their level of interest in what we do.

As you may know, Breker was born in Austin and so it will be a bit of a homecoming for us to return again. Austin features many fun activities, especially musical in nature, and great BBQ restaurants. We’ll be glad to provide suggestions and pointers for these if you ask, but for today’s post we’d like to fill you in what we will be doing at the show this year. We welcome any comments or questions that you may have.

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The Power and Simplicity of Path Constraints

 
May 25th, 2016 by Tom Anderson, VP of Marketing

Last week on The Breker Trekker, we talked about path constraints and how they differ from other kinds of constraints commonly used in SoC design and verification. Our whole approach to verification is based on graph-based scenario models, and constraints on the paths through the graph are a natural way to control how our Trek family of products automatically generates test cases. It’s easy to eliminate some paths, focus on others, or bias the randomization of selections. We believe that path constraints should be a part of any portable stimulus solution that meets the forthcoming Accellera standard.

We have heard some people in the industry argue that path constraints are not needed, and that value constraints would suffice. While we agree that value constraints are a familiar concept from the UVM and other constrained-random approaches, we do not feel that they are the best way to control the scenarios generated from a portable stimulus model. In today’s post we will expand on the example from last week and show how path constraints can handle a more complex design better than value constraints.

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Path Constraints for Graphs and Portable Stimulus

 
May 19th, 2016 by Tom Anderson, VP of Marketing

As engineers, we take great pride in defining our terms carefully and using them precisely to try to avoid ambiguity or confusion. Many engineering specifications start with a glossary of terms and sometimes even a taxonomy showing how they are related. Sometimes though, natural language being inherently ambiguous, we find that we have overloaded the meaning of certain words in a way that can lead to precisely the confusion we seek to avoid.

One such word is “constraint” because it is used in several different contexts in chip design and verification. In today’s post we would like to discuss path constraints on a graph-based scenario model. We will explain how they differ from other forms of constraints and why path constraints are essential for any portable stimulus solution, including the Trek family of products from Breker.

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