People seem to be assuming that only malloc'ed memory is relevant. At least for Fortran, you want to allocate arrays on the stack (gfortran -fstack-arrays). A

People seem to be assuming that only malloc'ed memory is relevant. At least for Fortran, you want to allocate arrays on the stack (gfortran -fstack-arrays). Apart from using larger/huge pages, you may want to take steps to minimize TLB misses. The Goto BLAS paper talks about that.