petsc-3.13.6 2020-09-29
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MatStashGetInfo

Gets how many values are currently in the matrix stash, i.e. need to be communicated to other processors during the MatAssemblyBegin/End() process

Synopsis

#include "petscmat.h" 
PetscErrorCode MatStashGetInfo(Mat mat,PetscInt *nstash,PetscInt *reallocs,PetscInt *bnstash,PetscInt *breallocs)
Not collective

Input Parameter

vec -the vector

Output Parameters

nstash - the size of the stash
reallocs - the number of additional mallocs incurred.
bnstash - the size of the block stash
breallocs - the number of additional mallocs incurred.in the block stash

See Also

MatAssemblyBegin(), MatAssemblyEnd(), Mat, MatStashSetInitialSize()

Level

advanced

Location

src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages