Re: [OMPI devel] memory manager RFC

2008-06-04 Thread Brian W. Barrett
On Wed, 4 Jun 2008, Paul H. Hargrove wrote: Brian states This will allow users to turn ptmalloc2 support on/off at application link time instead of MPI compile time. Where I assume "MPI compile time" means when the MPI *implementation* is compiled. Correct. So what about LD_PRELOAD? Can

Re: [OMPI devel] memory manager RFC

2008-06-04 Thread Paul H. Hargrove
Brian states This will allow users to turn ptmalloc2 support on/off at application link time instead of MPI compile time. Where I assume "MPI compile time" means when the MPI *implementation* is compiled. So what about LD_PRELOAD? Can the user defer the decision to use ptmalloc until app

Re: [OMPI devel] memory manager RFC

2008-06-04 Thread Jeff Squyres
Sounds good to me. Thanks Brian! On Jun 3, 2008, at 12:04 PM, Brian W. Barrett wrote: Hi all - Sorry this is so late, but it took a couple of iterations with a couple of people to get right from a technology standpoint. All mistakes in this proposal are my fault. What: Fix the ptmallo

[OMPI devel] memory manager RFC

2008-06-03 Thread Brian W. Barrett
Hi all - Sorry this is so late, but it took a couple of iterations with a couple of people to get right from a technology standpoint. All mistakes in this proposal are my fault. What: Fix the ptmalloc2 problem How: Remove it from the default path When: This weekend? For the 1.3 branch The pro

[OMPI devel] Memory manager

2007-11-16 Thread Terry Frankcombe
Hi folks I'm posting this here for want of any other obvious place. As always, if it should be redirected please let me know. Questions: How much does using the MPI wrappers influence the memory management at runtime? What has changed in this regard from 1.2.3 to 1.2.4? The reason I ask is