petsc-3.4.4 2014-03-13

PetscHMPIMalloc

Creates a "c struct" on all nodes of an HMPI communicator

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscHMPIMalloc(MPI_Comm comm,size_t n,void **ptr)
Collective on MPI_Comm

Input Parameters

comm - Must be PETSC_COMM_LOCAL_WORLD
n - amount of memory requested

Developer Notes: Since comm must be PETSC_COMM_LOCAL_WORLD, why have this argument?

See Also

PetscHMPIMerge(), PCHMPIRun(), PCHMPIFree()

Level:developer
Location:
src/sys/objects/mpinit.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages