So the software is improving by leaps and bounds but where is the hardware? OpenCL --> deprecated Cuda --> No Nvidia GPU ROCm/HIP: does it work on Mac or are

So the software is improving by leaps and bounds but where is the hardware? OpenCL --> deprecated Cuda --> No Nvidia GPU ROCm/HIP: does it work on Mac or are you strong-armed into using Apple Metal? Metal --> I couldn't find an AXPY example