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RandomX OpenCL implementation

This repository contains full RandomX OpenCL implementation (portable code for all GPUs and optimized code AMD Vega GPUs). The latest version of RandomX (1.1.0 as of August 30th, 2019) is supported.

Note: it's only a benchmark/testing tool, not an actual miner. RandomX hashrate is expected to improve somewhat in the future thanks to further optimizations.

GPUs tested so far:

Model CryptonightR H/S RandomX H/S Relative speed Comment
AMD Radeon VII (stock) 3125 1500 48% JIT compiled mode, 150W
AMD Vega 64 (1700/1100 MHz) 2200 1225 55.7% JIT compiled mode, 285W
AMD Vega 64 (1100/800 MHz) 1023 845 82.6% JIT compiled mode, 115W
AMD Vega 64 (1700/1100 MHz) 2200 163 7.4% VM interpreted mode
AMD Vega FE (stock) 2150 980 45.6% JIT compiled mode (intensity 4096)
AMD Radeon RX 560 4GB (1400/2200 MHz) 495 260 52.5% JIT compiled mode (intensity 896)
AMD Radeon RX RX470/570 4GB 930-950 400-410 43% JIT compiled mode, 50W
AMD Radeon RX RX480/580 4GB 960-1000 470 47% JIT compiled mode, 60W
GeForce GTX 1080 Ti (2037/11800 MHz) 927 601 64.8% VM interpreted mode

Building on Windows

  • Install Visual Studio 2017 Community and CLRadeonExtender
  • Add CLRadeonExtender's bin directory to PATH environment variable
  • Open .sln file in Visual Studio and build it

Building on Ubuntu

  • Install prerequisites sudo apt install git cmake build-essential
  • If you want to try JIT compiled code for Vega or Polaris GPUs, install amdgpu-pro drivers with OpenCL enabled (run the install script like this ./amdgpu-pro-install --opencl=pal)
  • Download CLRadeonExtender and copy clrxasm to /usr/local/bin
  • Then run commands:
git clone --recursive https://github.com/SChernykh/RandomX_OpenCL
cd RandomX_OpenCL/RandomX
mkdir build && cd build
cmake -DARCH=native ..
make
cd ../../RandomX_OpenCL
make

Donations

If you'd like to support further development/optimization of RandomX miners (both CPU and AMD/NVIDIA), you're welcome to send any amount of XMR to the following address:

44MnN1f3Eto8DZYUWuE5XZNUtE3vcRzt2j6PzqWpPau34e6Cf4fAxt6X2MBmrm6F9YMEiMNjN6W4Shn4pLcfNAja621jwyg