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LAPACK/ScaLAPACK code comparison


Given the infrastructure described above, the ScaLAPACK version (PDGETRF) of the LU decomposition is nearly identical to its LAPACK version (DGETRF), as illustrated in Figure 4.

Figure: Comparison of LU factorization in LAPACK and ScaLAPACK

Susan Blackford
Thu Jul 25 15:38:00 EDT 1996