hipCUB prerequisites

hipCUB has the following prerequisites on Linux:

• CMake version 3.18 or higher

• ROCm

• amdclang++

• rocPRIM

amdclang++ is installed with ROCm. rocPRIM is automatically downloaded and installed by the CMake script.

hipCUB has the following prerequisites on Microsoft Windows:

• HIP SDK for Windows

• Python version 3.6 or later

• Visual Studio 2019 with Clang support

• Strawberry Perl