NVIDIA

The NVIDIA Deep Learning Accelerator (NVDLA) is a free and open architecture that promotes a standard way to design deep learning inference accelerators.

NVIDIA Deep Learning Accelerator (nvdla.org)

GPGPU-Sim

GPGPU-Sim provides a detailed simulation model of a contemporary GPU (such as NVIDIA's Fermi and GT200 architectures) running CUDA and/or OpenCL workloads and now includes an integrated (and validated) energy model, GPUWattch.

gpgpu-sim.org

Vortex

Vortex is an open-source hardware and software project to support GPGPU based on RISC-V ISA extensions. Currently Vortex supports OpenCL and it runs on FPGA. The vortex platform is highly customizable and scalable with a complete open-source compiler, driver and runtime software stack to enable research in GPU architectures.

Home (gatech.edu)

Ventus(乘影) GPGPU

GPGPU processor supporting RISCV-V extension, developed with Chisel HDL.

THU-DSP-LAB/ventus-gpgpu: GPGPU processor supporting RISCV-V extension, developed with Chisel HDL (github.com)

其他

OpenGPU2020: 支持OpenGL ES 1.1的GPU内核 (gitee.com)

RV64X: A Free Open Source GPU for RISC-V - EE Times