High Performance Computing 1
More on BLAS
–BLAS3 (late 1980s)
•matrix-matrix operations: matrix matrix multiply, etc
•m >= 4n^2, f=O(n^3), so q can possibly be as large as n, so BLAS3 is potentially much faster than BLAS2
•Good algorithms used BLAS3 when possible (LAPACK)
•www.netlib.org/blas, www.netlib.org/lapack