MatStashGetInfo#

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

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatStashGetInfo(Mat mat, PetscInt *nstash, PetscInt *reallocs, PetscInt *bnstash, PetscInt *breallocs)

Not Collective

Input Parameter#

  • mat - the matrix

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#

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

Level#

advanced

Location#

src/mat/interface/matrix.c

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Index of all Mat routines
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Index of all manual pages