Document the KernelExp SplitArray.
Document the KernelExp SplitArray.

HIPERFIT/futhark,diku-dk/futhark,ihc/futhark,HIPERFIT/futhark,ihc/futhark,diku-dk/futhark,ihc/futhark,diku-dk/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark