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Parallel Engineering and Scientific Subroutine Library for AIX Version 2 Release 3: Guide and Reference

Overview of the Level 3 PBLAS Subroutines

The Level 3 PBLAS include a subset of the standard set of distributed memory parallel versions of the Level 3 BLAS.

Note:: These subroutines are designed in accordance with the proposed Level 3 PBLAS standard. (See references [14], [15], and [17].) If these subroutines do not comply with the standard as approved, IBM will consider updating them to do so. If IBM updates these subroutines, the update could require modifications of the calling application program.

Table 44. List of Level 3 PBLAS

Descriptive Name	Long-Precision Subprogram	Page
Matrix-Matrix Product for a General Matrix, Its Transpose, or Its Conjugate Transpose	PDGEMM PZGEMM	PDGEMM and PZGEMM--Matrix-Matrix Product for a General Matrix, Its Transpose, or Its Conjugate Transpose
Matrix-Matrix Product Where One Matrix is Real or Complex Symmetric or Complex Hermitian	PDSYMM PZSYMM PZHEMM	PDSYMM, PZSYMM, and PZHEMM--Matrix-Matrix Product Where One Matrix is Real or Complex Symmetric or Complex Hermitian
Triangular Matrix-Matrix Product	PDTRMM PZTRMM	PDTRMM and PZTRMM--Triangular Matrix-Matrix Product
Solution of Triangular System of Equations with Multiple Right-Hand Sides	PDTRSM PZTRSM	PDTRSM and PZTRSM--Solution of Triangular System of Equations with Multiple Right-Hand Sides
Rank-K Update of a Real or Complex Symmetric or a Complex Hermitian Matrix	PDSYRK PZSYRK PZHERK	PDSYRK, PZSYRK, and PZHERK--Rank-K Update of a Real or Complex Symmetric or a Complex Hermitian Matrix
Rank-2K Update of a Real or Complex Symmetric or a Complex Hermitian Matrix	PDSYR2K PZSYR2K PZHER2K	PDSYR2K, PZSYR2K, and PZHER2K--Rank-2K Update of a Real or Complex Symmetric or a Complex Hermitian Matrix
Matrix Transpose for a General Matrix	PDTRAN PZTRANC PZTRANU	PDTRAN, PZTRANC, and PZTRANU--Matrix Transpose for a General Matrix

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