nvidia-opencl-icd-304 304.135-0ubuntu0.16.04.3 (i386 binary) in ubuntu xenial

 OpenCL (Open Computing Language) is a multivendor open standard for
 general-purpose parallel programming of heterogeneous systems that include
 CPUs, GPUs and other processors.
 .
 This package provides the NVIDIA installable client driver (ICD) for OpenCL
 which supports NVIDIA GPUs.