[OMPI users] problem with MPI_[Pack|Unpack]_external

2006-09-29 Thread Lisandro Dalcin
I've just catched a problem with packing/unpacking using 'external32' in Linux. The problem seems to be word ordering, I believe you forgot to make the little-endian <-> big-endian conversion somewhere. Below, an interactive session with ipython (sorry, no time to write in C) showing the problem.

Re: [OMPI users] using both 64 and 32 bit mpi

2006-09-29 Thread Miguel Figueiredo Mascarenhas Sousa Filipe
Hi, On 9/28/06, Glenn Johnson wrote: I have an 8-way AMD64 system. I built a 64 bit open-mpi-1.1 implementation and then compiled software to use it. That all works fine. In addition, I have a 32 bit binary program (Schrodinger Jaguar) that I would like to run on this machine with mpi. Schro

[OMPI users] Building Open MPI 1.1.1 on OS X with ifort and icc support

2006-09-29 Thread Josh Durham
Below are the changes needed to build OMPI on OSX with ifort and icc. Basically, the Xgrid component doesn't have a libtool tag defined for ObjC code. Adding this makes it consistent with the rest of the build - all the other Makefiles has --tag=CC. This was configured with './configure

Re: [OMPI users] Need help in Perl with MPI

2006-09-29 Thread Prakash Velayutham
Hello, Yes. We do this all the time. But you should understand that the MySQL database server becomes your bottle neck in this parallel environment. In our case, we run the database servers also in parallel on the scheduler assigned nodes. But this is very much application-specific. Thanks, Praka

Re: [OMPI users] Need help in Perl with MPI

2006-09-29 Thread Brock Palen
On Sep 29, 2006, at 11:54 AM, Abhishek Pratap wrote: Hello All can i execute a perl program over MPI. My program has to access Mysql database for accessing the data during runtime. Is it Possible here in perl i can use Perl's Parallel::MPI (or Parallel::MPI::Simple) but will they b

Re: [OMPI users] Need help in Perl with MPI

2006-09-29 Thread Abhishek Pratap
Hello All can i execute a perl program over MPI. My program has to access Mysql database for accessing the data during runtime. Is it Possible here in perl i can use Perl's Parallel::MPI (or Parallel::MPI::Simple) but will they be able to access the mysql database simultaneously from the serv

Re: [OMPI users] Need help in Perl with MPI

2006-09-29 Thread Prakash Velayutham
Use Perl's Parallel::MPI (or Parallel::MPI::Simple) module. Get it from CPAN. Documentation should be good enough to start with. Prakash Abhishek Pratap wrote: > Can i execute a code written in perl over with MPI. > > My code also access a database present locally on the server. > > I am new to

[OMPI users] Need help in Perl with MPI

2006-09-29 Thread Abhishek Pratap
Can i execute a code written in perl over with MPI. My code also access a database present locally on the server. I am new to this field . Looking for some help Regards, Abhishek -- - Abhishek Pratap Third Year Bioinformatics School of Biotechnology & Chemical Eng