PETSc version 3.15.5
PetscSFReduceWithMemTypeBegin
begin reduction of leafdata into rootdata with explicit memory types, to be completed with call to PetscSFReduceEnd() 
Synopsis
#include "petscsf.h" 
PetscErrorCode PetscSFReduceWithMemTypeBegin(PetscSF sf,MPI_Datatype unit,PetscMemType leafmtype,const void *leafdata,PetscMemType rootmtype,void *rootdata,MPI_Op op)
Collective
Input Arguments
|  | sf | - star forest | 
|  | unit | - data type | 
|  | leafmtype | - memory type of leafdata | 
|  | leafdata | - values to reduce | 
|  | rootmtype | - memory type of rootdata | 
|  | op | - reduction operation | 
Output Arguments
|  | rootdata | - result of reduction of values from all leaves of each root | 
See Also
 PetscSFBcastBegin(), PetscSFReduceBegin()
Level
intermediate
Location
src/vec/is/sf/interface/sf.c
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages