Tuesday, March 24, 2009

Novas Verdi Automated Debug System


The Verdi™ Automated Debug System is an advanced solution for debugging digital designs that provides powerful technology to help you:

  • Comprehend complex and unfamiliar design behavior;
  • Automate difficult and tedious debug processes; and 
  • Unify diverse and complicated design environments.

Cut Debug Time in Half
The Verdi system lets you focus on tasks that add more value to your designs by cutting your debug time, typically by over 50%. These time savings are made possible by unique technology that:

  • Automates behavior tracing with its unique Behavior Analysis technology;
  • Extracts, isolates, and displays pertinent logic in flexible and powerful design views; and
  • Reveals the operation of and interaction between the design, assertions, and testbench.


The unique behavior analysis technology of the Verdi system automates many time-consuming aspects of debug.  


Complete Debug System
The Verdi Automated Debug System is a superset of the Debussy Debug System and incorporates all of the technology and capabilities of its predecessor.  In addition, the Verdi system combines advanced debugging features with support for a broad range of languages and methodologies.

Core Features 
The Verdi system provides the following fundamental debug features:

  • Full-featured Waveform Viewer enables you to display and analyze activity over time
  • Powerful Waveform Comparison Engine allows you to isolate differences between Fast Signal Database (FSDB) files
  • Source Code Browser enables you to easily traverse between source code and hierarchy
  • Flexible schematics and block diagrams give you the ability to display logic and connectivity using familiar symbols
  • Intuitive bubble diagrams help you to reveal the operation of finite state machines

Advanced Features
The Verdi system also includes the following advanced debug features:

  • Automatic tracing of signal activity enables you to quickly trace activity across many clock cycles with powerful behavior analysis technology
  • Temporal flow views provide a combined display of time and structure to help you rapidly understand cause-and-effect relationships
  • Transaction-based debug with flexible transaction and message support for debugging and analyzing designs at higher levels of abstraction
  • Assertion-based debug with built-in support for assertions facilitates quick traversal from assertion failure to related design activity
  • SystemVerilog testbench debug with:
    • Specialized views that help you to understand your testbench code, including declaration-based hierarchy browsing and navigation, class inheritance and relationship comprehension, and tracing
    • Unique message logging capability, coupled with advanced visualization techniques, give you a complete picture of testbench activity and your verification environment
    • Full-featured interactive simulation control allows you to step through complex testbench code for more detailed analysis

Languages and Methodologies
The Verdi system supports the following languages and methodologies:

  • Design components described in Verilog, VHDL, and SystemVerilog
  • Automated testbench environments using SystemVerilog Testbench (SVTB)
  • Assertions using SystemVerilog Assertions (SVA)

Optimized Open Architecture and Unified Methodology
The Verdi Automated Debug System is designed so that you can take full advantage of your verification and debug methodology. The Verdi system is built on the open Novas Design Knowledge Architecture, which consists of compilers that extract relevant information into databases that are optimized for efficient debug.  The Verdi system also unifies your debug process by providing a single solution that operates seamlessly and consistently across multiple domains – verification tools, design/verification languages, and abstractions. This consistency reduces your learning curve and saves time as you move to new projects using different tools and languages, and allows you to further leverage your investment in the Verdi system even as your other tools and methodology evolve. 

The Novas Design Knowledge Architecture is comprised of the following:

  • Knowledge Engine Compilers extract design knowledge contained in HDL code, testbenches, and assertions
  • Knowledge Database(KDB) stores crucial design knowledge to facilitate debug and understanding of your design
  • Fast Signal Database (FSDB) captures and store results from simulators, emulators, and formal tools that produce time/value sequences
  • Application Programming Interfaces (APIs) provide open access to both databases and command-and-control mechanisms, enabling you to easily integrate the Verdi system with other verification tools and design environments.

The Novas open architecture allows for easy integration with both commercial and proprietary verification tools. Through an ever-expanding list of partners, the Verdi system provides you with a fully integrated, predictable environment with out-of-the-box support for a wide range of commonly used commercial tools, including:

  • Simulators
  • Emulators and accelerators
  • Model checkers and other formal analysis engines

Debug and Analysis Across Multiple Abstraction Levels

The Verdi system further unifies comprehension by allowing you to seamlessly debug throughout your methodology flow from System level to Gate-level verification.  The Verdi system provides additional support for verification and analysis at the implementation level with the nAnalyzer Design Implementation Analysis module.  The nAnalyzer module provides a single environment for analyzing troublesome design errors related to clocks, clock trees, and timing. 
The Verdi Automated Debug System Saves You Time

The Verdi Automated Debug System is an award-winning debug system that cuts your debug time in half.  This robust and sophisticated system significantly reduces the time and effort required to comprehend the behavior of complex designs by eliminating tedious and manual tasks.  The Verdi system’s open architecture and extensive integration with popular commercial tools unify your verification environment for even greater efficiency.  With over 400 customers and 60 EDA partners, the Verdi system has become the industry’s de facto standard debugger.  Our customers tell us that the time they saved using the Verdi system has given them more time to add greater value to their designs, work on other job-related tasks, and enjoy more personal time.  At SpringSoft, our mission is to accelerate engineers.  The Verdi Automated Debug System is one way that SpringSoft is Accelerating Engineers. 



Realted File Download: SS_Verdi_Datasheet_E5_US.pdf

Novas Verdi™ Debug Modules

The Novas Verdi™ Debug Modules comprise a spectrum of fundamental tools for understanding the structure of designs. At the core of the Verdi™ modules is the Novas Design Knowledge Architecture and robust set of compilers, specialized databases and APIs. These form an open, highly scalable infrastructure that connects design and verification knowledge to help designers better understand complex design behavior.

  •  Knowledge Engine Compilers extract detailed knowledge of design structure from VHDL and VerilogHDL source code.
  • Knowledge Database (KDB) stores relevant information for access by analysis, tracing and visualization  tools;
  • Fast Signal Database (FSDB) stores and optimizes loading of results from verification tools;
  • Open APIs interface with all popular third-party verification tools for consistent view throughout entire development flow.

The Verdi waveform, source code, and schematic modules use design knowledge to help designers quickly locate, isolate, and resolve design problems. These modules are fully integrated using point-and-click and drag-and-drop techniques for seamless navigation between views and greater overall debug productivity.

Verdi nWave™ module is a complete waveform viewing tool that provides a comprehensive and intuitive view of design activity over time.

  • Locate and isolate logic related to particular transitions and values
  • View higher-level design structures such as assertions and transactions

Debussy Debug_image001.jpg

Verdi nTrace™ module is a sophisticated source code browser that automates tracing of connectivity and related elements throughout the design.

  • Navigate designs in the hierarchy display or HDL source code view 
  • Annotate source code with simulation results for easy viewing and analysis
  • Automatically find active drivers and loads for specific signal transitions and values

Debussy Debug_image002.jpg

Verdi nSchema™ module is a schematic visualization tool that intelligently generates hierarchical or flat diagrams from RTL and gate-level descriptions.

  • Highlight and correlate in schematic views the portions of code being analyzed
  • Automatically locate and analyze cause-and-effect relationships
  • Render specialized schematic displays for structures such as fan-in and fan-out cones

Debussy Debug_image003.jpg 

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