Re: [OMPI users] openmpi 1.6.1 Questions

2012-08-26 Thread Brock Palen
Thanks and super cool. Brock Palen www.umich.edu/~brockp CAEN Advanced Computing bro...@umich.edu (734)936-1985 On Aug 25, 2012, at 7:06 AM, Jeff Squyres wrote: > On Aug 24, 2012, at 10:45 AM, Brock Palen wrote: > >>> Right now we should be just warning if we can't register 3/4 of your >>> p

Re: [OMPI users] openmpi 1.6.1 Questions

2012-08-25 Thread Jeff Squyres
On Aug 24, 2012, at 10:45 AM, Brock Palen wrote: >> Right now we should be just warning if we can't register 3/4 of your >> physical memory (we can't really test for anything more than that). But it >> doesn't abort. > Ok > >> We could add a tunable that makes it abort in this case, if you thi

Re: [OMPI users] openmpi 1.6.1 Questions

2012-08-24 Thread Brock Palen
On Aug 24, 2012, at 10:38 AM, Jeff Squyres wrote: > On Aug 24, 2012, at 10:28 AM, Brock Palen wrote: > >> I grabbed the new OMPI 1.6.1 and ran my test that would cause a hang with >> 1.6.0 with low registered memory. From reading the release notes rather >> than hang I would expect: >> >> * l

Re: [OMPI users] openmpi 1.6.1 Questions

2012-08-24 Thread Jeff Squyres
On Aug 24, 2012, at 10:28 AM, Brock Palen wrote: > I grabbed the new OMPI 1.6.1 and ran my test that would cause a hang with > 1.6.0 with low registered memory. From reading the release notes rather than > hang I would expect: > > * lower performance/fall back to send/receive. > * a notice of