This was somewhat the approach used in the ATLAS[1] linear algebra library. In the ATLAS case, systems were characterized through testing and a set of paramete

This was somewhat the approach used in the ATLAS[1] linear algebra library. In the ATLAS case, systems were characterized through testing and a set of parameters generated. Then at installation time code was generated to match the system type using the given parameters. [1] https://en.wikipedia.org/wiki/Automatically_Tuned_Linear_Algebra_Software https://en.wikipedia.org/wiki/Automatically_Tuned_Linear_Alg...