opencl-headers 2.2~2019.08.06-g0d5f18c-1 (amd64 binary) in ubuntu focal

 OpenCL (Open Computing Language) is a multi-vendor open standard for
 general-purpose parallel programming of heterogeneous systems that include
 CPUs, GPUs and other processors.
 .
 This metapackage depends on packages providing the C and C++ headers files
 for the OpenCL API as published by The Khronos Group Inc. The corresponding
 specification and documentation can be found on the Khronos website.