README

Status:

"The CLBlast ffi" is a interface for the CLBlast library. Available in libraries with FFI interface.

Please see the documents about Buffer objects on Rindow Mathematics web pages.

Requirements

• PHP 8.1, PHP8.2, PHP8.3, PHP8.4
• CLBlast 1.5.1 or later
• Windows 10/11, Ubuntu(Recommends 2204-), Debian(Recommends 12-), or later

How to setup OpenCL & CLBlast

You can download and setup pre-built CLBlast binaries. Please download the binaries for your platform.

• https://github.com/CNugteren/CLBlast/releases

Windows

CLBlast and OpenBLAS DLL's path to Windows PATH environment variable.

C:\tmp>PATH %PATH%;/path/to/OpenBLAS/bin;/path/to/CLBlast-Library/lib
C:\tmp>cd /some/app/directory
C:\app\dir>composer require rindow/rindow-clblast-ffi

Ubuntu

On Linux, you first need to set up OpenCL.

For example, in the case of Ubuntu standard AMD driver, install as follows

$ sudo apt install clinfo
$ sudo apt install mesa-opencl-icd
$ sudo mkdir -p /usr/local/usr/lib
$ sudo ln -s /usr/lib/clc /usr/local/usr/lib/clc

Ubuntu standard OpenCL drivers include:

• mesa-opencl-icd
• beignet-opencl-icd
• intel-opencl-icd
• nvidia-opencl-icd-xxx
• pocl-opencl-icd

Next, Setup clblast.

Install clbast on Ubuntu 22.04 or Debian 12 or later.

$ sudo apt install libclblast1

If you use Ubuntu 20.04 or Debian 11, download and Extract Archive file and Pack to deb

$ cd /some/app/directory
$ composer require rindow/rindow-clblast-ffi
$ cp vendor/rindow/rindow-clblast-ffi/clblast-packdeb.sh .
$ sh ./clblast-packdeb.sh
$ sudo apt install ./clblast_X.X.X_amd64.deb

And then, Please install rindow-clblast-ffi if you have not already done so.

$ cd /some/app/directory
$ composer require rindow/rindow-clblast-ffi