petsc-3.12.5 2020-03-29
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PetscMallocSetCoalesce

 Use coalesced malloc when allocating groups of objects

Synopsis

#include "petscsys.h"   
PetscErrorCode PetscMallocSetCoalesce(PetscBool coalesce)
Not Collective

Input Parameters

coalesce -PETSC_TRUE to use coalesced malloc for multi-object allocation.

Options Database Keys

-malloc_coalesce -turn coalesced malloc on or off

Note

PETSc uses coalesced malloc by default for optimized builds and not for debugging builds. This default can be changed via the command-line option -malloc_coalesce or by calling this function. This function can only be called immediately after PetscInitialize()

See Also

PetscMallocA()

Level

developer

Location

src/sys/memory/mal.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages