Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] openib btl build question
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-05-21 16:27:41


On May 21, 2008, at 4:17 PM, Don Kerr wrote:

> Just want to make sure what I think I see is true:
>
> Linux build. openib btl requires ptmalloc2 and ptmalloc2 requires
> posix
> threads, is that correct?

ptmalloc2 is not *required* by the openib btl. But it is required on
Linux if you want to use the mpi_leave_pinned functionality. I see
one function call to __pthread_initialize in the ptmalloc2 code -- it
*looks* like it's a function of glibc, but I don't know for sure.

-- 
Jeff Squyres
Cisco Systems