[petsc-dev] Using multiple mallocs with PETSc

[Barry Smith]

> On Mar 13, 2017, at 1:27 PM, Jed Brown <jed at jedbrown.org> wrote:
> 
> Satish Balay <balay at mcs.anl.gov> writes:
>> stash the metadata for each allocation (and pointers for corresponding
>> free) in a hash table for all mallocs that we need to track? [this
>> avoids the wasted 'space' in each alloc.]
> 
> Sure, but this is just duplicating an implementation of malloc.

   No it isn't. It is a very thin wrapper around multiple current mallocs.