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    The Verification Academy offers users multiple entry points to find the information they need. One of these entry points is through Topic collections. These topics are industry standards that all design and verification engineers should recognize. While we continue to add new topics, users are encourage to further refine collection information to meet their specific interests.

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    The Verification Academy is organized into a collection of free online courses, focusing on various key aspects of advanced functional verification. Each course consists of multiple sessions—allowing the participant to pick and choose specific topics of interest, as well as revisit any specific topics for future reference. After completing a specific course, the participant should be armed with enough knowledge to then understand the necessary steps required for maturing their own organization’s skills and infrastructure on the specific topic of interest. The Verification Academy will provide you with a unique opportunity to develop an understanding of how to mature your organization’s processes so that you can then reap the benefits that advanced functional verification offers.

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    • Featured Courses

      • Portable Stimulus Basics
      • Introduction to DO-254
      • SystemVerilog OOP for UVM Verification
      • Power Aware Verification
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      • Assertion-Based Verification
      • Metrics in SoC Verification

    • Additional Courses

      • Clock-Domain Crossing Verification
      • An Introduction to Unit Testing with SVUnit
      • Evolving FPGA Verification Capabilities
      • SystemVerilog Testbench Acceleration
      • Testbench Co-Emulation: SystemC & TLM-2.0
      • Verification Planning and Management
      • VHDL-2008 Why It Matters

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      • Getting Started with Formal-Based Technology
      • Handling Inconclusive Assertions in Formal Verification
      • Sequential Logic Equivalence Checking

    • Analog/Mixed Signal

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    The Verification Community is eager to answer your UVM, SystemVerilog and Coverage related questions. We encourage you to take an active role in the Forums by answering and commenting to any questions that you are able to.

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    The Verification Academy Patterns Library contains a collection of solutions to many of today's verification problems. The patterns contained in the library span across the entire domain of verification (i.e., from specification to methodology to implementation—and across multiple verification engines such as formal, simulation, and emulation).

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    Find all the methodology you need in this comprehensive and vast collection. The UVM and Coverage Cookbooks contain dozens of informative, executable articles covering all aspects of UVM and Coverage.

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    • Coverage Cookbook

      • Introduction
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  • All Events
    No one argues that the challenges of verification are growing exponentially. What is needed to meet these challenges are tools, methodologies and processes that can help you transform your verification environment. These recorded seminars from Verification Academy trainers and users provide examples for adoption of new technologies and how to evolve your verification process.

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  • About Verification Academy
    The Verification Academy will provide you with a unique opportunity to develop an understanding of how to mature your organization's processes so that you can then reap the benefits that advanced functional verification offers.

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  • Home /
  • Portable Test and Stimulus

Portable Test and Stimulus

Portable Test and Stimulus

SoC verification requires more than just simulation. Multiple platforms, including emulation and FPGA prototyping, are required to verify complex designs from the block level to subsystems and full systems-on-chip. Each platform requires its own language and format for specifying tests, and these tests are often composed by different teams as well, and too much time and effort are spent recreating the same test information throughout a project. The Portable Stimulus Standard (PSS) was developed to solve this problem.

By providing a single abstract specification of verification intent, PSS allows tools, like Questa® inFact, to generate target-specific implementations of the test for the various platforms involved in verification. This frees up teams to focus on what should be tested rather than having to implement the same test multiple times. By randomizing the generation of scenarios subject to the rules and constraints defined in the abstract specification, PSS can automate the process to maximize coverage and ensure the most efficient execution of a wide range of tests on multiple platforms.

Find out more about Questa® inFact, the leading Portable Stimulus Solution.

 Portable Stimlus

Portable Stimulus Basics Course

Why Portable Stimulus?

Why Portable Stimulus? Session | Subject Matter Expert - Tom Fitzpatrick | Portable Stimulus Basics Course

This session will discuss the motivation and goals for Portable Stimulus, explore the idea of scenario-level stimulus and examine the requirements for a viable Portable Stimulus solution.

Concepts & Language Introduction

Concepts & Language Introduction Session | Subject Matter Expert - Tom Fitzpatrick | Portable Stimulus Basics Course

This session will provide a detailed understanding of what a scenario-level test actually involves; how to think and plan at the scenario level; and how to use the constructs in the Portable Test and Stimulus Standard to describe a scenario-level test.

Test Realization

Test Realization Session | Subject Matter Expert - Tom Fitzpatrick | Portable Stimulus Basics Course

This session will walk you through the steps of how to define target-platform implementations for the elements of a Portable Stimulus model and how a Portable Stimulus tool can assemble these elements into a functional test on the target platform.

Importing UVM into Portable Stimulus

Importing UVM into Portable Stimulus Session | Subject Matter Expert - Tom Fitzpatrick | Portable Stimulus Basics Course

This session will show how to take advantage of Portable Stimulus automation to augment your existing UVM environment. You will learn how a Portable Stimulus tool like Questa® inFact can import transactions and functional coverage to generate more efficient scenario-level tests guaranteed to reach your coverage goals and how to easily integrate this automation into your regression environment.

Virtual Lab

Questa® inFact Getting Started Importing a Testbench

This virtual lab tutorial includes three exercises designed to introduce you to Questa® inFact and to the process of importing existing testbench source to automate the integration of Questa® inFact into an existing verification environment. The example in this tutorial uses the Universal Verification Methodology (UVM) with SystemVerilog.

Learn more.

Questa® inFact Related Resources

  • Articles
  • Blog Posts
  • White Papers
  • On-Demand
  • News
  • Seminar
  • Accellera
  • Product Information

Featured Portable Stimulus & Test Verification Horizons Articles

  • Selecting a Portable Stimulus Application Focal Point
  • Building a Better Virtual Sequence with Portable Stimulus
  • Creating SoC Integration Tests with Portable Stimulus and UVM Register Models
  • Make Your Constraints More Dynamic with Portable Stimulus
  • Getting Generic with Test Intent: Separating Test Intent from Design Details with Portable Stimulus
  • Smoothing the Path to Software-Driven Verification with Portable Stimulus
  • Portable Stimulus Modeling in a High-Level Synthesis User's Verification Flow
  • Automating Tests with Portable Stimulus from IP to SoC Level
  • Bridging UVM to the Portable Stimulus Standard with Questa® inFact
  • Improving Performance and Verification of a System Through an Intelligent Testbench
  • Saving Time and Improving Quality with a Specification to Realization Flow
  • A New Stimulus Model for CPU Instruction Sets
  • Intelligent Testbench Automation with UVM and Questa®
  • Portable VHDL Testbench Automation with Intelligent Testbench Automation
  • Software-Driven Testing of AXI Bus in a Dual Core ARM® System
  • Power Up Hardware/Software Verification Productivity
  • Is Intelligent Testbench Automation For You?
  • Automated Generation of Functional Coverage Metrics for Input Stimulus
  • Targeting Internal-State Scenarios in an Uncertain World

Featured Portable Stimulus & Test Blog Posts

  • Taking the First Step in Portable Stimulus Adoption
  • Cats != Coverage
  • It Don’t Mean a Thing … Without Methodology
  • Better Virtual Sequences with Portable Stimulus
  • Prospecting for Reusable Assets with Portable Stimulus
  • Applying Portable Stimulus at DAC
  • Portable Test – Portable Intent, Portable Realization, or Both?
  • Developing Tests in Reverse with Portable Stimulus
  • Verification Academy Live Seminar: Portable Stimulus
  • Test Intent, Test Realization, and Separation of Concerns
  • Portable Stimulus Specification Released for Public Review
  • Reusing Existing Descriptions with New Languages
  • DAC 54 Spotlight on "Portable Stimulus"
  • Portable Stimulus: Standard vs. Tool vs. Language
  • Portable Stimulus the Hot Topic at DVCon U.S. '17
  • DVCon U.S. 2017: Bigger and Better!
  • DVCon India 2016–Outstanding Program Awaits
  • Portable Stimulus Takes an Important Step Forward
  • Portable Stimulus Taking Center Stage at DAC
  • Standards, Partners and Industry Collaboration Update
  • Portable Stimulus Applications at DVCon 2016
  • Modeling CPU Instruction Sets with a Portable Stimulus Specification
  • Mentor Announces Joint Portable Stimulus Contribution with Cadence, Breker

Featured Portable Stimulus & Test White Papers

  • Managing and Automating HW/SW Tests from IP to SoC
  • Choosing a Format for the Portable Stimulus Specification
  • Making Legacy Portable with the Portable Stimulus Specification
  • Jump-Start Portable Stimulus Test Creation with SystemVerilog Reuse
  • Boost Verification Results by Bridging the Hardware/Software Testbench Gap
  • Tackling Random Blind Spots with Strategy-Driven Stimulus Generation
  • UCIS Applications: Improving Verification Productivity, Simulation Throughput, and Coverage Closure Process

Featured Portable Stimulus & Test On-Demand Technical Sessions

  • Portable Stimulus: A New Hope
  • Portable Stimulus from IP to SoC - Achieve More Verification
  • Automating Reusable Retargetable Scenario-level Tests with Portable Stimulus
  • Testbench Automation: How to Create a Complex Testbench in a Couple of Hours
  • Automating Scenario-Level UVM Tests with Portable Stimulus
  • New School Stimulus Generation Techniques

Featured Portable Stimulus & Test News & Press

  • The Nuts and Bolts of Verification - Recasting SystemVerilog for Portable Stimulus
  • How to Create and Run Reusable Register-Test Models
  • Verification’s Next Steps - Portable Stimulus and You
  • Retargeting Existing Tests in an Integrated SoC Verification Flow
  • Create more flexible virtual sequences with Portable Stimulus
  • Accellera Approves New Portable Test and Stimulus Standard
  • Accellera Approves New Portable Test and Stimulus Standard - Quote Sheet
  • Why Mentor backs the PSS-DSL input format for the Portable Stimulus Specification
  • Portable Stimulus in High-Level Synthesis Flow
  • An Incremental Approach To Reusing Automated Tests From IPs To SoCs
  • Raising SoC Development Productivity With Portable Stimulus
  • Portable Stimulus Intent - Accellera's New Standard Goes to Early Adopters
  • Accellera Portable Stimulus Early Adopter Specification Now Available for Public Review
  • Mentor Verification Is First to Deliver Portable Stimulus Technology Across the Full Enterprise Verification Platform
  • Automating test from IP to SoC levels with portable stimulus
  • Portable Stimulus: The Making of a Standard
  • Developing the Portable Stimulus Standard
  • Early access view of portable-stimulus standard released
  • Portable Stimulus - Practice Guide
  • Verification Unification: Part 1 | Part 2 | Part 3
  • Tools suppliers back version 1.0 of portable-stimulus standard
  • Cadence, Mentor Graphics and Breker Announce Collaborative Technology Contribution to Accellera Portable Stimulus Working Group

Featured Portable Stimulus & Test Seminar

  • Why Portable Stimulus?
  • Portable Stimulus Standard Uncovered
  • PSS Panel Discussion
  • PSS Usage Examples
  • Wrapping Up - Where do we go from here?

Accellera Standards

  • Portable Stimulus Downloads - Manual, Release, Notes, Errata
  • Portable Stimulus Public Review Forum
  • Portable Test and Stimulus: The Next Level of Verification Productivity is Here - Technical Tutorial
  • Creating Portable Stimulus Models with the Upcoming Accellera Standard
  • Portable Stimulus Updates - DVCon Europe 2015 - Video Updates
  • Portable Stimulus Specification - Early Adopter Release
  • Portable Stimulus Specification Working Group

Portable Stimulus Testbench Automation Solution

Questa® inFact is the industry’s most advanced Portable Stimulus testbench automation solution. It targets as much functionality as traditional constrained random testing, achieves coverage goals 10X to 100X faster, and scales across block, subsystem, and SoC level.
This enables engineering teams to complete their functional verification process in less time, and/or to expand their coverage goals, testing functionality that previously fell below the cut line.

Questa inFact also generates tests that an engineer might not envision, reaching difficult corner cases that alternative testing techniques typically miss. Using Questa inFact technology ensures high quality products.

Learn more | Datasheet

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