Turns out that it does implement its own, but it also has the possibility of wrapping existing libraries: https://bitbucket.org/blaze-lib/blaze/src/e09d62ee714

Turns out that it does implement its own, but it also has the possibility of wrapping existing libraries: https://bitbucket.org/blaze-lib/blaze/src/e09d62ee714745b2972e8e80ea81f9872285c46a/blazemark/Configfile?at=master https://bitbucket.org/blaze-lib/blaze/src/e09d62ee714745b297... Of course, if you're seriously going to use this library, you're going to use an established BLAS library like OpenBLAS or Intel MKL.