MKL

To get idea of compiler options to use MKL, see Intel® Math Kernel Library Link Line Advisor ​https://software.intel.com/en-us/articles/intel-mkl-link-line-advisor

Automatic Offload (AO)

See ​https://software.intel.com/en-us/articles/intel-mkl-automatic-offload-enabled-functions-for-intel-xeon-phi-coprocessors