PoCL 4.0 is out as the latest major update to this “Portable Computing Language” implementation that started out as an OpenCL-on-CPU effort while with time has expanded its sights beyond just OpenCL on processors to providing OpenCL on other accelerators/devices via leveraging different LLVM target back-ends. With PoCL 4.0, there is also now an Intel oneAPI Level Zero driver for using this OpenCL stack on Intel graphics processors…
Source: Phoronix – PoCL 4.0 OpenCL Implementation Released With Intel oneAPI Level Zero Driver