Vortex RISC-V GPGPU

Vortex currently supported RISC-V RV32I ISA

/benchmarks containts test benchmarks

/docs contains documentation.

/hw constains hardware sources.

/driver contains the driver software.

/runtime contains the kernel runtime software.

/SimX contains a cycle-approximate simulator for Vortex.

/evaluation contains the synthesis/runtime reports.

Basic Instructions to run OpenCL Benchmarks on Vortex

Install development tools

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

Install gnu-riscv-tools

$ export RISC_GNU_TOOLS_PATH=/opt/riscv-gnu-toolchain

$ sudo apt-get -y install \
    binutils build-essential libtool texinfo \
    gzip zip unzip patchutils curl git \
    make cmake ninja-build automake bison flex gperf \
    grep sed gawk python bc \
    zlib1g-dev libexpat1-dev libmpc-dev \
    libglib2.0-dev libfdt-dev libpixman-1-dev 
$ git clone https://github.com/riscv/riscv-gnu-toolchain
$ cd riscv-gnu-toolchain
$ git submodule update --init --recursive
$ mkdir build
$ cd build    
$ ../configure --prefix=$RISC_GNU_TOOLS_PATH --with-arch=rv32im --with-abi=ilp32
$ make -j`nproc`  
$ make -j`nproc` build-qemu

Install Verilator

You need into build the latest version using the instructions on their website
$ https://www.veripool.org/projects/verilator/wiki/Installing 

Install Vortex

$ git clone https://github.gatech.edu/casl/Vortex.git
$ cd Vortex
$ make

Run SGEMM OpenCL Benchmark

$ cd Vortex/benchmarks/opencl/sgemm
$ make
$ make run