topic MKL: PARDISO: memory leak, default settings in Intel® oneAPI Math Kernel Library

MKL: PARDISO: memory leak, default settings

Perpf2000 — Wed, 02 Sep 2009 07:50:42 GMT

Hi!
Using MKL-PARDISO I experience all sorts of memory leaks; I traced these down to being calls to _mkl_pds_gepmetis_pardiso(), which in turn causes the _heap_alloc_dbg() to allocate the memory in question a few calls down. In total I have four memory leaks. I'm using mtype=6 (complex, symmetric).
On a different thread I read there were issues with memory leaks in pardiso before, but it was stated these problems should be fixed in 10.1. release...
Anything I can do to fix these leaks?

thanks,

Re: MKL: PARDISO: memory leak, default settings

Perpf2000 — Wed, 02 Sep 2009 08:19:09 GMT

Quoting - Perpf2000

... found a hint on a different thread: MKL_Free_Buffers() does the trick!
Maybe it would be a good idea to place a note in the appropriate chapters of the manual (i.e. page 2512) and/or add this call to the example-code (i.e. Example C7. pardiso_sym.c)?

thanks,

Re: MKL: PARDISO: memory leak, default settings

ArturGuzik — Wed, 02 Sep 2009 08:38:02 GMT

Quoting - Perpf2000

There is a whole section Using Intel MKL Memory Management in user's Guide (page 6-17) in Managing Performance and Memory Chapter.

Call at the end..., well, the program terminates so memory is anyway deallocated. Sure it would be educational but then .... you're assumed to read .. manual before trying samples:-)

A.