[OMPI devel] RFC: Fragmented sm Allocations

2009-01-15 Thread Eugene Loh
I put back more code changes and refreshed the RFC a little. So, if you want a latest/greatest copy, here is the (slightly) amended RFC. Thanks for the positive feedback so far, but more scrutiny is appreciated! Title: RFC: Fragmented sm Allocations RFC: Fragmented sm Allocations WHAT: D

Re: [OMPI devel] RFC: Fragmented sm Allocations

2009-01-14 Thread Jeff Squyres
Whoa, this analysis rocks. :-) I'm going through trying to grok it all... Just wanted to say: kudos for this. On Jan 14, 2009, at 1:14 AM, Eugene Loh wrote: RFC: Fragmented sm Allocations WHAT: Dealing with the fragmented allocations of sm BTL FIFO circular buffers (CB) during MPI_Init(

Re: [OMPI devel] RFC: Fragmented sm Allocations

2009-01-14 Thread Ralph Castain
I haven't reviewed the code either, but really do appreciate someone taking the time for such a thorough analysis of the problems we have all observed for some time! Thanks Eugene!! On Jan 14, 2009, at 5:05 AM, Tim Mattox wrote: Great analysis and suggested changes! I've not had a chance

Re: [OMPI devel] RFC: Fragmented sm Allocations

2009-01-14 Thread Tim Mattox
Great analysis and suggested changes! I've not had a chance yet to look at your hg branch, so this sin't a code review... Barring a bad code review, I'd say these changes should all go in the trunk for inclusion in 1.4. 2009/1/14 Eugene Loh : > > > RFC: Fragmented sm Allocations > > WHAT: Dealin

[OMPI devel] RFC: Fragmented sm Allocations

2009-01-14 Thread Eugene Loh
Title: RFC: Fragmented sm Allocations RFC: Fragmented sm Allocations WHAT: Dealing with the fragmented allocations of sm BTL FIFO circular buffers (CB) during MPI_Init(). Also: Improve handling of error codes. Automate the sizing of the mmap file. WHY: To reduce consumption of sha