Re: [OMPI users] How to "guess" the incoming data type ?

2010-04-25 Thread Eugene Loh
Sylvestre Ledru wrote: Hello, I am currently extending an application with MPI capabilities. This high-level application allows users to use dynamic types. Therefor, on the slaves, I have no way to know what the master will send me. Therefor, in the slave side, I need to "guess" what I am r

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-25 Thread Asad Ali
Hi Jodi, > I once got different results when running on a 64-Bit platform instead of > a 32 bit platform - if i remember correctly, the reason was that on the > 32-bit platform 80bit extended precision floats were used but on the 64bit > platform only 64bit floats. Could you please give me an id

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-25 Thread Asad Ali
Hi Fabian, Hi Asad, >> I >> found that running the same source code on these OS, with the same >> versions of of gcc and open-mpi installed on them, gives different >> results than Fedora and Ubuntu after a few hundred iterations. The first >> few hundered iterations are exactly similar to that o

Re: [OMPI users] How to "guess" the incoming data type ?

2010-04-25 Thread Trent Creekmore
I don't think there is a way to guess, that is why most languages use a naming type (i.e.: int, float, etc) to explicitly tell what the type is. If this app is letting them enter whatever they want and without knowing more about this application, then I could assume it is giving them the type of st

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-25 Thread jody
I once got different results when running on a 64-Bit platform instead of a 32 bit platform - if i remember correctly, the reason was that on the 32-bit platform 80bit extended precision floats were used but on the 64bit platform only 64bit floats. On Sun, Apr 25, 2010 at 3:39 AM, Fabian Hänsel

[OMPI users] How to "guess" the incoming data type ?

2010-04-25 Thread Sylvestre Ledru
Hello, I am currently extending an application with MPI capabilities. This high-level application allows users to use dynamic types. Therefor, on the slaves, I have no way to know what the master will send me. Therefor, in the slave side, I need to "guess" what I am receiving. For example, I a

Re: [OMPI users] Openpi 1.4.1 PGI 10.2.1 libpgnuma issue

2010-04-25 Thread Francesco Iannone
Sorry I made a mistake to insert into zipped files. So I send it once again. regards On 23/04/10 20.01, "Francesco Iannone" wrote: > Dear all > > I rebuilt openmpi 1.4.1 with PGI 10.2.1 enabling the libpgnuma.a of PGI. > > Linux kernel 2.6.18-164.11.1.el5 #1 SMP Sat Jan 23 21:22:33 CET 2010