pbdBASE (version 0.5-0)

numroc2: numroc2

Description

A better version of NUMROC (NUMber Rows Or Columns). Returns the local dimension given global matrix + distribution parameters.

Usage

numroc2(N, NB, IPROC, NPROCS)

Arguments

N

Global number of rows/cols.

NB

Block size.

IPROC

Coordinate of the process whose local info is to be determined.

NPROCS

Total number of processors over which matrix is distributed.

Details

For advanced users only.