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September 15, 2021
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Wednesday, September 15 • 9:15am - 9:25am
Lightning Talk: Design Verification with Step-and-Compare for RISC-V Vector Extensions - Lee Moore & Simon Davidmann, Imperas Software

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The RISC-V vector extensions represent the most extensive and complex extensions yet for the RISC-V ISA. As a flexible and modular ISA (Instruction Set Architecture) the RISC-V standard extensions offer developers significant flexibility to configure and tune an implementation to the target application needs and requirements. The RISC-V Vectors Extensions offer extensive options and configurations to address a wide range of hardware accelerator requirements. Thus, designs span from edge devices to cloud based accelerators, across the spectrum of compute requirements. Working with the team at BCS (Barcelona Supercomputing Center) the complexity of the Vector accelerator engine has been supported with the adaption of the step-and-compare verification methodology to address the coverage and score-boarding requirements for the RISC-V Vector Extensions. Using a specification envelope model allows the testbench to cover the full range of the options including asynchronous and debug events, plus testing the regular scalar base core. As a general flow the test-bench also supports custom Vector instructions to anticipate future enhancements.

avatar for Simon Davidmann

Simon Davidmann

CEO, Imperas Software
Simon Davidmann has been working on simulators and EDA products since 1978. He is founder and CEO of Imperas and initiator of Open Virtual Platforms (www.OVPworld.org) - the place for Fast Processor Models. Simon is also the chair of the Verification Task Group of the OpenHW Group... Read More →
avatar for Lee Moore

Lee Moore

Senior Applications Engineer, Imperas Software
Lee Moore is the lead engineer at Imperas for RISC-V processor models and simulation tools. Prior to Imperas, Lee worked as a senior consulting engineer for EDA vendors such as Co-Design Automation and Ambit, and for ASIC vendor NEC Electronics. Lee is also a private pilot, and recently... Read More →

Wednesday September 15, 2021 9:15am - 9:25am PDT
  • Slides Attached Yes