PetscMallocSetDebug#
Set’s PETSc memory debugging
Synopsis#
#include "petscsys.h" 
PetscErrorCode PetscMallocSetDebug(PetscBool eachcall, PetscBool initializenan)
Not Collective
Input Parameters#
- eachcall - checks the entire heap of allocated memory for issues on each call to - PetscMalloc()and- PetscFree(), slow
- initializenan - initializes all memory with - NaNto catch use of uninitialized floating point arrays
Options Database Keys#
- -malloc_debug - - turns on or off debugging
- -malloc_test - turns on all debugging if PETSc was configured with debugging including - -malloc_dump, otherwise ignored
- -malloc_view_threshold t - log only allocations larger than t 
- -malloc_dump - - print a list of all memory that has not been freed, in- PetscFinalize()
Note#
This is called in PetscInitialize() and should not be called elsewhere
See Also#
CHKMEMQ, PetscMallocValidate(), PetscMallocGetDebug(), PetscMalloc(), PetscFree()
Level#
developer
Location#
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages