Not the guy you're asking, but you can check D based Mir GLAS library as an alternative to the usual suspects, and it performed best of them all [1]
[1] http://blog.mir.dlang.io/glas/benchmark/openblas/2016/09/23/...
[1] http://blog.mir.dlang.io/glas/benchmark/openblas/2016/09/23/...