The ATLAS (Automatically Tuned Linear Algebra Software) project is an ongoing research effort focusing on applying empirical techniques in order to provide portable performance. At present, it provides C and Fortran77 interfaces to a portably efficient BLAS implementation, as well as a few routines from LAPACK.
P. Nagy, P. Surján, and Á. Szabados. Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta), 131 (2):
1-6(February 2012)