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README.md

Build Status codecov

Vortex RISC-V GPGPU

Vortex is a full-system RISCV-based GPGPU processor.

Specifications

  • Support RISC-V RV32IMF ISA
  • Performance:
    • 1024 total threads running at 250 MHz
    • 128 Gflops of compute bandwidth
    • 16 GB/s of memory bandwidth
  • Scalability: up to 64 cores with optional L2 and L3 caches
  • Software: OpenCL 1.2 Support
  • Supported FPGAs:
    • Intel Arria 10
    • Intel Stratix 10

Directory structure

  • doc: Documentation.
  • hw: Hardware sources.
  • driver: Host drivers repository.
  • runtime: Kernel Runtime software.
  • sim: Simulators repository.
  • tests: Tests repository.
  • ci: Continuous integration scripts.
  • miscs: Miscellaneous resources.

Build Instructions

Supported OS Platforms

  • Ubuntu 18.04
  • Centos 7

Toolchain Dependencies

Install development tools

$ sudo apt-get install build-essential
$ sudo apt-get install git

Install Vortex codebase

$ git clone --recursive https://github.com/vortexgpgpu/vortex.git
$ cd Vortex

Install prebuilt toolchain

$ ./ci/toolchain_install.sh -all

Build Vortex sources

$ make -s

Quick demo running vecadd OpenCL kernel on 2 cores

$ ./ci/blackbox.sh --driver=rtlsim --cores=2 --app=vecadd