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Questa One Sim

Questa One Sim - Faster Engines, Faster Engineers, Fewer Workloads

Introducing Questa One Sim: Reimagining Simulation Efficiency

Questa One Sim is Siemens’ next-gen, high-performance simulation platform, purpose-built for modern ASIC, and FPGA designs. It combines simulation, debug, coverage, and acceleration technologies into one unified flow – offering better speed, scalability, and engineering efficiency out of the box.

Why Questa One Sim?

Questa One Sim brings cornerstone Questa simulation technologies into a platform that is geared towards solving challenges faced by semiconductor companies designing the next generation of SoC’s, ASIC’s and FPGAs. The evolution of functional simulation brings together faster engines, providing a productivity boost that enables faster engineers and delivering cutting-edge technologies that help finish verification using fewer workloads.

Faster Engines

  • Fastest simulation engine in the industry for DFT pattern simulations
  • New optimizations for faster RTL and gate-level simulations
  • ParallelSim with smart auto-partitioning capability for even faster performance

Faster Engineers

  • Faster X debug capability with patented X-debugging feature
  • New SmartCompile capability reduces simulation turnaround time for 3DIC, AI-accelerator designs
  • Enhanced debug environment with many new advanced debugging capabilities

Fewer Workloads

  • Root cause performance bottlenecks on regressions using all new multi-test profiler
  • Generate complex UVM sequences faster with built-in PSS engine
  • Expand VHDL verification to the next level with VHDL constraint solver support

Enhanced debugging capabilities to improve productivity

The integrated simulation and debugging engine gives you a new and improved interface for a more efficient verification flow. New dedicated debug windows for X-debug, constraints debug and protocol-aware debug enable a faster way to analyze complex verification environments. The ever-popular profiler can now profile across multiple tests to give you a regression-wide analysis of simulation hotspots.

Key Features and Benefits

  • Unified Simulation Engine: Integrates functional fault and DFT verification in a single optimised environment
  • Accelerated Performance: Provides faster simulation speeds for RTL, GLS, and DFT pattern verification, enhancing productivity
  • Comprehensive Coverage: Offers robust fault modelling and extensive DFT support for thorough design validation
  • Intuitive User Experience: Features streamlined workflows and intelligent automation to help engineers work more efficiently
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Simulation and Debug

Combines high performance and capacity simulation with unified advanced debug and functional coverage for the most complete native support of Verilog, SystemVerilog, VHDL, …

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Debug Environment

High performance, scalable, context-aware debug supporting the complete logic verification flow including simulation, emulation, prototyping, testbench, low-power, and assertion analysis.

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HDL Simulation

ModelSim’s award winning Single Kernel Simulator (SKS) technology enables transparent mixing of VHDL and Verilog in one design.

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Data Driven Verification

Questa VIQ is the collaborative, data-driven verification solution that transforms the verification process using AI/ML, analytics, collaboration, and traceability.

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Static RTL Verification

Questa Lint provides adaptive, integrated insight to the designer to ensure that the quality requirements and intent are met. Pre-configured methodologies provide immediate, intuitive feedback …

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Verification IP

Questa Verification IP (QVIP) improves quality and reduces schedule times by building protocol and methodology reusable components that support many industry standard interfaces.

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