ImperasDV

Tool

ImperasDV is a RISC-V processor verification tool that integrates fast reference models into verification flows and enables lock-step comparison of RTL against a golden reference model at instruction retirement. Evidence describes its use alongside directed ImperasTS suites, VCS simulation, Verdi debug and coverage analysis, and broader hybrid RISC-V verification flows.

First seen 5/25/2026

Last seen 5/26/2026

Evidence 3 chunks

Wiki v1

WIKI

Overview

ImperasDV is described as a tool that integrates fast reference models for RISC-V into verification flows. Its primary role in the provided evidence is to enable lock-step comparison of RTL against a golden reference model at instruction retirement, helping detect mismatches early in processor verification. [ImperasDV reference-model integration] [ImperasDV lock-step comparison]

Role in RISC-V verification

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NEIGHBORHOOD

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RELATIONSHIPS

5 connections

Lock-Step Compare implements → 98% 2e

ImperasDV enables lock-step comparison of RTL against a golden reference model at instruction retirement.

Golden Reference Model uses → 98% 2e

ImperasDV integrates fast reference models for RISC-V and uses them as a golden reference for lock-step comparison.

RTL evaluates → 96% 2e

ImperasDV compares RTL execution against a golden reference model to detect mismatches.

ImperasTS-ISA ← depends on 88% 1e

ImperasTS-ISA tests are included with ImperasDV licences, creating a dependency relationship.

Hybrid Verification Methodology ← uses 95% 1e

The hybrid methodology uses ImperasDV for lock-step comparison against a golden reference model.

LINKED ENTITIES

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Lock-Step Compare IMPLEMENTS Extracted graph relationship

ImperasTS-ISA INCLUDES Extracted graph relationship

VCS INTEGRATES_WITH Extracted graph relationship

CITATIONS

10 sources

10 citations — click to expand

[1] ImperasDV reference-model integration source

[2] ImperasDV lock-step comparison source

[3] Lock-step compare definition source

[4] ImperasTS-ISA inclusion source

[5] ImperasTS family source

[6] ImperasTS self-checking suites source

[7] ImperasDV in VCS-centered flow source

[8] ImperasDV VCS and Verdi integration source

[9] ImperasDV debug efficiency source

[10] Hybrid coverage closure source