SimpleSSD

Open-Source Licensed Full-system SSD Simulator

Welcome to the SimpleSSD website. SimpleSSD is a high-fidelity simulator that models all detailed characteristics of hardware and software, to build up a complete storage stack from scratch and simplify the nondescript features of storage internals. In contrast to existing SSD simulators, it can accommodate a complete storage stack and evaluate the performance of SSDs along with diverse memory technologies and micro-architectures by integrating into publicly-available full system simulator (gem5). Consequently, it allows system designers and architects to explore the full design space at different levels of system abstraction. The SimpleSSD simulation model has been validated with a real devices.

You can download SimpleSSD from Downloads. If you’d like to use the SimpleSSD simulator in your research, please cite our paper. For convenience, here is the Acknowledgement.

Demo Video

Here is the demo video what we used for MICRO 51 presentation. This video includes NVMe and Open-Channel SSD interface demo.

Contents of SimpleSSD Website

User Documentation

• Getting Started
  • SimpleSSD-FullSystem
  • SimpleSSD-Standalone
• Running Instructions
  • Execution of SimpleSSD-FullSystem
  • Execution of SimpleSSD-Standalone
• Analyze Simulation Results
  • Analyze SimpleSSD Log and Statistics
  • Analyze Log from Linux Kernel
  • Analyze Debug Log and Statistics from Simulator
  • Analyze on user-level

Tips

• Build Linux Kernel for gem5
  • Prerequisite
  • Build Linux Kernel
• Build User-Level Program for gem5
  • ARM Architecture
  • X86 Architecture
• Create Disk Image for gem5
  • Create empty file
  • Mount file as loop device
  • Create partition
  • Mount/Unmount partition
  • Use in gem5 and SimpleSSD

Firmware Model Documentation

• Host Interface Layer
  • Host controller
  • SSD interface
• Internal Cache Layer
  • Abstract Class
  • Set-Associative Cache
• Flash Translation Layer
  • Abstract Class
  • Page-level FTL
  • Random I/O tweak

Hardware Model Documentation

• Firmware Execution Model
  • CPU and Core
• DRAM Latency Model
  • AbstractClass
  • SimpleDRAM
• Parallelism Abstraction Layer
  • Abstract Class
  • PALOLD
• Power and Energy Model
  • Embedded Core
  • DRAM
  • NAND flash array

Resources

• Downloads
  • Source Codes
  • Full-System Files
  • SSD Configuration Files
  • Software License
• Status Matrix
  • ARM Architecture
  • x86 Architecture
• Acknowledgement
  • Citation