[OMPI devel] Deadlock when creating too many communicators

2009-09-05 Thread Wolfgang Bangerth
Howdy, here's a creative way to deadlock a program: create and destroy 65500 and some communicators and send a message on each of them: #include #define CHECK(a)\ { \ int e

Re: [OMPI devel] RFC - "system-wide-only" MCA parameters

2009-09-05 Thread Ralph Castain
On Sep 5, 2009, at 3:00 AM, Jeff Squyres wrote: On Sep 4, 2009, at 5:47 PM, Sylvain Jeaugey wrote: Understood. So, let's say that we're only implementing a hurdle to discourage users from doing things wrong. I guess the efficiency of this will reside in the message displayed to the user ("Y

Re: [OMPI devel] RFC - "system-wide-only" MCA parameters

2009-09-05 Thread Jeff Squyres
On Sep 4, 2009, at 5:47 PM, Sylvain Jeaugey wrote: Understood. So, let's say that we're only implementing a hurdle to discourage users from doing things wrong. I guess the efficiency of this will reside in the message displayed to the user ("You are about to break the entire machine and you

[OMPI devel] version number issues

2009-09-05 Thread Jeff Squyres
On Sep 4, 2009, at 2:56 PM, Nadia Derbey wrote: Actually, I didn't have the problem on my side, because hg is not known in my build environment. Never noticed these lines: - *** Checking versions checking for SVN version... ../configure: line 4285: hg: command not found done

Re: [OMPI devel] RFC - "system-wide-only" MCA parameters

2009-09-05 Thread Jeff Squyres
On Sep 4, 2009, at 2:34 PM, Sylvain Jeaugey wrote: hg -R "$srcdir" tip | head -1 | grep "^changeset:" | cut -d: -f3 Good catch; I changed it slightly from this to: hg -v -R "$srcdir" tip | grep ^changeset: | head -n 1 | cut -d: -f3 I put this on the trunk since I couldn't push to your bb t