IBM Parallel ESSL is a scalable mathematical subroutine library that supports parallel processing applications.
Release 4.2 offers Parallel ESSL MPICH2 libraries ( Linux only) for use with the IBM Parallel Environment (IBM PE) Runtime Edition MPICH2 library. Release 4.2 also includes the following new ScaLAPACK subroutines:
PDLANTR/PZLANTR - Triangular or Trapezoidal Matrix Norms
PZPBTRF/PZPBTRS/PZPBSV - Positive Definite Complex Hermitian Band Matrix Factor/Solve/Combined Factor and Solve
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