Expert, independent advice for adopting and using portable stimulus
As products become more complex and market windows shrink so efficiency in product development can translate directly into competitive advantage. At Tessolve we understand what improves efficiency in verification: abstraction and reuse. But how can these improvements be achieved? One solution that is growing in popularity is to adopt tools and methods supporting the Accellera Portable Stimulus Standard (PSS). Portable Stimulus enables verification stimulus to be captured, generation to be automated and the same specification to be reused. All features that help PSS to deliver on the promise of enabling enhanced abstraction and reuse.
The reuse revolution started in design IP and has had a huge impact on design efficiency. Verification IP soon followed in the form of eVC (e Verification Components) and more recently UVC (UVM Verification Components). Unfortunately to a large extent these developments missed the main challenge; that the primary currency of verification is stimulus (and checkers, of course).
Portable Stimulus Explained
PSS defines how to specify verification intent and behaviors that are reusable across a wide range of target platforms (virtual, simulation, emulation, prototype and final silicon). The specification also allows for the automation of test generation.
Implementations of Portable Stimulus
Tessolve are experienced in using many of tools that implement the Portable Stimulus Standard, including:
Accellera is an independent, not-for profit organisation with the mission is to create system-level design, modeling and verification standards. As part of its ongoing partnership with the IEEE its standards are contributed for formal standardization and ongoing change control.
New LinkedIn Forum4>
The independent, vendor neutral technical forum to discuss issues relating to PSS.
Portable Stimulus and The Reuse Revolution4>
A collaboration between Tessolve and Cadence that provides an insight for users on the benefits and impact of applying Portable Stimulus technologies.
PSS: The Promises and Pitfalls of Early Adoption4>
This paper is based on a deep analysis of the early adopter releases, and the Accellera PSS working group public announcements to provide a check-list on how to select a technology that will allow you to easily migrate to the recent PSS and maximize the capabilities of PSS.
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