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Benefits

  • Broad Coverage – From home SSDs to enterprise AI/HPC deployments.
  • Flash Flexibility – Model multiple flash technologies (SLC, MLC, TLC, QLC).
  • Controller Insight – Evaluate wear-leveling, ECC, and firmware algorithms.
  • Queue Optimization – Analyze scheduling effects on latency and throughput.
  • System Integration – Test SSDs with NVMe, PCIe, and NoC-based designs.
  • Design Sizing – Size SSD configurations to match performance targets.

The SSD model in VisualSim simulates flash-based storage along with its associated controller, firmware, and scheduling mechanisms. It models key processes such as read, write, erase, address translation, and error correction, providing a detailed digital twin of SSD operation.

VisualSim supports a wide range of flash technologies (SLC, MLC, TLC, QLC) and integrates with IO controllers, schedulers, and firmware, making it applicable across use cases from consumer desktops and laptops to enterprise servers, AI infrastructure, and hyperscale data centers.

Importantly, architects can use the SSD model to size designs, optimize queue management, and validate performance alongside NVMe and PCIe interconnects, ensuring that the storage subsystem meets application demands.

Key Parameters

  • Sequential Read Time
  • Random Read Time
  • Write Access Time
  • Page Size

Parameter Snapshots

  • Parameter

Simulation Results

  • Latency & Throughput Studies – Performance under varying workloads.
  • Queue Utilization Reports – FIFO vs priority scheduling effects.
  • Flash Technology Trade-Offs – Performance vs endurance (SLC vs QLC).
  • Controller & Firmware Analysis – ECC, wear-leveling, and translation impact.
  • Plot 1
  • Plot 2

Applications

  • Consumer Storage – Laptops, desktops, and mobile devices.
  • Enterprise Servers – Database acceleration, virtualization workloads.
  • AI/ML Infrastructure – High-throughput data pipelines for training/inference.
  • Data Centers – Hyperscale SSD deployments for cloud storage and analytics.
  • Embedded Systems – Real-time storage for industrial, automotive, and defense.
  • Storage Controller Design – Evaluate schedulers, firmware, and error correction policies.

Integrations

  • Connects with NVMe, PCIe, Flash, and DMA controllers.
  • Works with processors and accelerators for system-level validation.
  • Links to schedulers and firmware models for end-to-end control.

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