The Making of a Standard

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 article focuses on some of the difficulties associated with bringing [...]

2018-07-05T07:45:49+00:00 5th July, 2018|Blog, Thought Leadership|

Portable stimulus smooths path to SW-driven verification, eliminates duplication

Taking a step-wise approach to verifying interactions between embedded processors and the IPs in the rest of the design saves time by finding bugs earlier in the verification process when they’re easiest to debug and correct.Portable stimulus allows high-quality tests to be generated from test intent that is described once and retargeted to multiple environments.This [...]

2018-06-08T08:05:52+00:00 8th June, 2018|Blog, Thought Leadership|

Choosing a Format for the Portable Stimulus Specification

From the early days of the Accellera Portable Standards Working Group (PSWG), it was apparent that trying to satisfy a wide range of users with a single input format would be difficult. Hardware designers and block-level verification teams are used toconcepts such as constraints and biasing whilst most validation engineers using hardware platforms mainly write [...]

2018-05-22T07:32:14+00:00 22nd May, 2018|Blog, Thought Leadership|

System Functionality Includes Software

While a lot of information is produced to introduce and support individual verification techniques, methods for applying a variety of verification techniques in a complementary way are harder to come by. This article from EDA Café explores what was happening with portable stimulus and what new techniques we would have to learn and explains where [...]

2018-05-09T07:01:09+00:00 9th May, 2018|Blog, Thought Leadership|

Developing Tests in Reverse with Portable Stimulus

Whether developing tests for software or hardware, test development seems to follow a pretty predictable process. Portable Stimulus brings some very powerful features to the table in raising the level of abstraction at which test intent can be captured. Because the description is declarative, a PSS description is very easy to reuse, shape, and customize [...]

2018-04-27T10:12:54+00:00 17th January, 2018|Blog, Thought Leadership|

Getting Generic with Test Intent: Separating Test Intent from Design Details with Portable Stimulus

It’s typical to think about writing tests for a specific design. However, as the number of SoCs and SoC variants that a verification team is responsible for grows, creating tests that are specific to the design is becoming impractical. The emerging Accellera Portable Stimulus Standard (PSS) provides features that enable test writers to maintain a [...]

2018-04-27T10:13:40+00:00 11th January, 2018|Blog, Thought Leadership|

Portable Stimulus in high-level synthesis flow

This article from EDN describes how Portable stimulus solutions help bring advanced verification capabilities to a C-based high-level verification environment and highlights a methodology where, a stimulus model can be defined (and refined) to help reach 100% code coverage of the C++ HLS DUT, and then reused in a SystemVerilog or UVM testbench with the [...]

2018-02-23T10:49:00+00:00 26th December, 2017|Blog, Thought Leadership|

Solution = Standard + Tool

Solutions are what users need and the existence of a standard gives them the assurance that models they create will be portable between tools. This article from EDA Café explores how the portable stimulus standard creates a level playing field on which vendors can create tools that provide solutions. Read More Find out how T&VS [...]

2017-12-13T06:47:35+00:00 13th December, 2017|Blog, Thought Leadership|

How to automate test from IP to SoC levels using portable stimulus

Portable stimulus seeks to raise the level of abstraction and enable the automated test of complex scenarios that emerge in subsystem- and SoC-level verification. This article highlights the role of portable stimulus at the block level and describes how portable stimulus can be used to automate test from IP to SoC levels. Read More Find [...]

2017-11-27T06:17:32+00:00 27th November, 2017|Blog, Thought Leadership|

Developing the Portable Stimulus Standard

The purpose for the portable test & stimulus standard is productivity and quality. It is essential to make designers, and especially verification engineers, more productive and increase the quality of their work. This article explores how does the portable stimulus working group achieve these goals and captures the conversation between industry experts on how to [...]

2017-11-02T05:50:24+00:00 2nd November, 2017|Blog, Thought Leadership|
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