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| HPL_indxl2g(3) | HPL Library Functions | HPL_indxl2g(3) |
NAME
HPL_indxl2g - Map a index-process pair into a global index.SYNOPSIS
#include "hpl.h"int HPL_indxl2g( const int IL, const int INB, const int NB, const int PROC, const int SRCPROC, const int NPROCS );
DESCRIPTION
HPL_indxl2g computes the global index of a matrix entry pointed to by the local index IL of the process indicated by PROC.ARGUMENTS
- IL (input) const int
- On entry, IL specifies the local index of the matrix entry. IL must be at least zero.
- INB (input) const int
- On entry, INB specifies the size of the first block of the global matrix. INB must be at least one.
- NB (input) const int
- On entry, NB specifies the blocking factor used to partition and distribute the matrix A. NB must be larger than one.
- PROC (input) const int
- On entry, PROC specifies the coordinate of the process whose local array row or column is to be determined. PROC must be at least zero and strictly less than NPROCS.
- SRCPROC (input) const int
- On entry, SRCPROC specifies the coordinate of the process that possesses the first row or column of the matrix. SRCPROC must be at least zero and strictly less than NPROCS.
- NPROCS (input) const int
- On entry, NPROCS specifies the total number of process rows or columns over which the matrix is distributed. NPROCS must be at least one.
SEE ALSO
HPL_indxg2l (3), HPL_indxg2lp (3), HPL_indxg2p (3), HPL_numroc (3), HPL_numrocI (3).| December 2, 2018 | HPL 2.3 |
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