Re: [OMPI users] Hybrid program

2008-12-02 Thread Jeff Squyres
Fair enough; let me know what you find. It would be good to understand exactly why you're seeing what you're seeing... On Dec 2, 2008, at 5:47 PM, Edgar Gabriel wrote: its on OpenSuSE 11 with kernel 2.6.25.11. I don't know the libnuma library version, but I suspect that its fairly new. I

Re: [OMPI users] Hybrid program

2008-12-02 Thread Edgar Gabriel
its on OpenSuSE 11 with kernel 2.6.25.11. I don't know the libnuma library version, but I suspect that its fairly new. I will try to investigate that in the next days a little more. I do think that they use sched_setaffinity() underneath the hood (because in one of my failed attempts when I pa

Re: [OMPI users] Hybrid program

2008-12-02 Thread Jeff Squyres
On Dec 2, 2008, at 11:27 AM, Edgar Gabriel wrote: so I ran a couple of tests today and I can not confirm your statement. I wrote simple a simple test code where a process first sets an affinity mask and than spawns a number of threads. The threads modify the affinity mask and every thread (

Re: [OMPI users] Hybrid program

2008-12-02 Thread Edgar Gabriel
Jeff, so I ran a couple of tests today and I can not confirm your statement. I wrote simple a simple test code where a process first sets an affinity mask and than spawns a number of threads. The threads modify the affinity mask and every thread ( including the master thread) print out there

Re: [OMPI users] collective algorithms

2008-12-02 Thread Jeff Squyres
On Nov 25, 2008, at 10:29 AM, Максим Чусовлянов wrote: Hello! How i can integrated my collective communication algorithm in openMPI with MCA? Sorry for the delay in answering -- SC08 and the US holiday last week got in the way and I'm way behind on answering the mails in my INBOX. Just to

Re: [OMPI users] openmpi-1.2.8 and cygwin...

2008-12-02 Thread Gustavo Seabra
Is that going to work with Cygwin programs? One reason I have been trying to install OpenMPI in Cygwin is to be able to run Cygwin programs in parallel. Would a native Windows implementation help there? Gustavo. On Tue, Nov 18, 2008 at 4:45 AM, Shiqing Fan wrote: > Dear Solibakke, > > I'm not fam