On Jul 6, 2008, at 1:28 PM, Patrick Geoffray wrote:
WHAT: make mpi_leave_pinned=1 by default when a BTL is used that
would benefit from it (when possible; 0 when not, obviously)
The probable reason registration cache (aka leave_pinned) is
disabled by default is that it may be unsafe. Even i
Jeff Squyres wrote:
WHAT: make mpi_leave_pinned=1 by default when a BTL is used that would
benefit from it (when possible; 0 when not, obviously)
Comments?
The probable reason registration cache (aka leave_pinned) is disabled by
default is that it may be unsafe. Even if you use mallocopt to
On Thu, Jul 03, 2008 at 05:56:52AM -0700, Jeff Squyres wrote:
> - I know that leave_pinned is frequently meaningless to real apps
> (although Torsten likes to argue otherwise -- and he's got at least
> some real-world data points that show otherwise :-) ).
I don't want to argue otherwise based
As long as we don't go back to libptmalloc2 linked into libmpi, I don't
have strong objections.
Brian
On Thu, 3 Jul 2008, Jeff Squyres wrote:
WHAT: make mpi_leave_pinned=1 by default when a BTL is used that would
benefit from it (when possible; 0 when not, obviously)
WHY: Several reasons: