'cuda'
'
cuda
'mpi'
mpi
'mpicuda'
mpicuda
'mpiviennacl'
mpiviennacl
'nest'
nest
'node'
node
'seq'
seq
'seqcuda'
seqcuda
'seqviennacl'
seqviennacl
'shared'
shared
'standard'
standard
'viennacl'
viennacl
'VecType'
VecType