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Posts Tagged ‘Breker’

The Making of a Standard

Thursday, June 21st, 2018

The industry waits with bated breath for the Accellera board to approve the Portable Stimulus 1.0 specification. It has been a long and arduous process over the past four years to get to this point, a process that most people never get to experience. This was my first standard, and to say it was an eye opener is somewhat of an understatement. In this blog, I am not going to dwell on the many bruises I suffered or the technical discussions that often seemed like personal attacks. Instead, I want to make the industry aware of some of the difficulties associated with bringing a new and somewhat revolutionary standard to market. (more…)

System Functionality Includes Software

Monday, April 23rd, 2018

Listening to users is never a bad thing. Users are the people who set Breker along its current direction and during the process of standardizing Portable Stimulus (PS), the ability to talk to an expanded group of users allowed Breker to see a larger portion of the total available market. We learned a lot. (more…)

Solution = Standard + Tool

Thursday, November 30th, 2017

Solutions are what users need and the existence of a standard gives them the assurance that models they create will be portable between tools. Put another way, the standard creates a level playing field on which vendors can create tools that provide solutions.  (more…)

Understanding Portable Stimulus Graphs

Wednesday, September 13th, 2017

When people talk about the Portable Stimulus Standard (“PSS”) they throw around the term “graph based” as if that somehow clarifies everything. They usually don’t bother to describe what it means, beyond it being some simple mathematical model. Some vendors even confuse it with the term “graphical”. To simplify this confusion, for this blog we will use the term “visual”. This blog will answer questions about how PSS relates to graphs and how those graphs relate to other similar graph-based models already used within the industry. (more…)

Rewriting Revolutionary History

Friday, June 9th, 2017

The semiconductor design industry has always preferred evolution over revolution. There have been a few successful revolutions but most of the time revolution happens over time through evolutionary steps. (more…)

Total Value Of A Standard

Monday, May 22nd, 2017

The creation of the Portable Stimulus standard has raised a number of issues about the tradeoffs between using an industry standard language and a domain-specific language. Several blogs have tried to make the case for one or the other and often use scare tactics to make one look better than the other. That is not the objective of this blog. Instead, it’s meant to provide some information as to why the inclusion of the C++ variant is a good thing for the industry. (more…)

Portable Stimulus – The First Verification Model

Tuesday, April 4th, 2017

When people think about design languages, they may not realize that the language is almost irrelevant. The language supports the underlying semantic model and it is this model that is important. EDA has defined design models at the gate level, the register transfer level (RTL) and various forms of behavioral levels. When we talk about RTL, we think about Verilog and VHDL, but they are only the languages that support that model, or very minor variations of it. But what about verification? (more…)

Constrain Me, Please

Thursday, December 8th, 2016

In the movies, when a person acts irrationally they are usually declared to be mad and quickly placed in a straitjacket for the protection of themselves and those around them. If we continue those thoughts into the world of verification, SystemVerilog must be declared to be a mad language. (more…)

EDA Hates C++. Wait, What – Back Up!

Friday, November 4th, 2016

Why is Accellera supporting the use of an industry standard language in the development of the Portable Stimulus Standard? (more…)

The Next Wave in Verification

Thursday, September 29th, 2016

There is an important standard being worked on within Accellera and given its name, you might think that this is another incremental standard on a somewhat tired theme. It is called Portable Stimulus and yet it has almost nothing to do with stimulus and that stimulus, once generated by a tool not defined in the standard, is most certainly not portable. It is a fundamentally new approach to verification that could transform how chips and low-level software are verified. We will get back to the name in a moment, but the important thing is that users become informed about this new language and choose to have their voices heard in the standardization effort.

(more…)

TrueCircuits: IoTPLL



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