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OpenFC - an Open FPGA Cluster Toolkit

About this project†

This framework provides easy access to:

• PCI Express and high-speed (10+Gbps) serial FPGA-to-FPGA interconnect to build an FPGA cluster
  • Including Xilinx Aurora-compatible interconnect on Intel FPGAs (coming soon)
• User-built accelerators with streaming I/O interface
• Stream routing mechanism to allow multiple accelerators also multiple FPGAs
• Partial reconfiguration feature to load user modules

User-built accelerators can be designed in C++ with Vivado HLS (or Intel HLS) in less board dependent style. The framework also provides an easy-to-use streaming DMA API for host C++ code.

Recent updates:†

• Cyclone/Arria 10 GX Partial Reconfiguration support (Jan. 2022)

Requirements†

• Host PC(s):
  • with an FPGA card on its PCI Express slot
  • Running Linux (x86_64, kernel 4.x is supported)
    • ARM64 Host (ZynqMP SoC) will come soon!
• In multi-FPGA use case:
  • FPGA cards have to be connected by SFP+ or coaxial cables
• To build FPGA design:
  • Xilinx FPGAs: Vivado 2018.3 or later
  • Intel FPGAs: Quartus Prime Pro 19.1 or later

Supported FPGA Cards†

Support status of SVN trunk:

• More card will be supported.

Source code SVN repository: https://lut.eee.u-ryukyu.ac.jp/svn/openfc/

Documentations†

• OpenFC Architecture
• Quickstart with Xilinx KC705 or Intel Cyclone 10 card
• Building custom Stream PE with Vivado HLS
• FPGA Board Porting Guide

Acknowledgements and License†

RIFFA DMA contoller is included in this project, with patches to follow-up with the recent version of the Vivado/Quartus design suite and current Linux kernel. RIFFA DMA engine and its driver are provided under the original license.

The license of source code (except the RIFFA DMA controller):

"THE BEER-WARE LICENSE" (Revision 42): <yasu@prosou.nu> wrote this file. As long as you retain this notice, you can do whatever you want with this stuff. If we meet someday, and you think this stuff is worth it, you can buy me a beer in return Yasunori Osana at the University of the Ryukyus, Japan.