Syjun/vecrng
Initial implementation of VecRNG and test/benchmark routines: base: VecRNG concrete: MRG32k3a, Threefry, Philox test: RngBenchmark (vecphy/rng is a temporary holder for initial implementation and tests)
Initial implementation of VecRNG and test/benchmark routines: base: VecRNG concrete: MRG32k3a, Threefry, Philox test: RngBenchmark (vecphy/rng is a temporary holder for initial implementation and tests)