GPU support through KernelAbstractions #176

Job	Run time
Julia lts - windows-latest - x64 - pull_request	16m 25s
Julia lts - ubuntu-latest - x64 - pull_request	14m 40s
Julia 1 - windows-latest - x64 - pull_request	16m 33s
Julia lts - macOS-latest - x64 - pull_request	18m 10s
Julia 1 - macOS-latest - x64 - pull_request	16m 32s
Julia 1 - ubuntu-latest - x64 - pull_request	15m 16s
	1h 37m 36s

Provide feedback