Re: [OMPI users] Problem with mpi_comm_spawn_multiple

I haven't been following this whole discussion, but I do know something about how Fortran allocates and passes string argument (the joys of Fortran/C/python inter-language calls), for what it's worth. By definition in the Fortran language all strings have a predefined length, which Fortran

Re: [OMPI users] Problem with mpi_comm_spawn_multiple

Dear Jeff, following the failure I just reported I changed the CC=icc to CC=cc and reran and got this: fred@prandtl:~/test/fortran-c-2d-char> make CC=cc FC=ifort cc -g -c -o c_func.o c_func.c ifort -g main.o c_func.o -g -o main fred@prandtl:~/test/fortran-c-2d-char> ./main Got leading

Re: [OMPI users] Problem with mpi_comm_spawn_multiple

Dear Jeff, thats odd !! fred@prandtl:~/test/fortran-c-2d-char> make CC=icc FC=ifort ifort -g -c -o main.o main.f icc -g -c -o c_func.o c_func.c Error: A license for CComp is not available (-5,357). I will look into this tomorrow, time for bed I am afraid !! Fred Marquis. On Fri, May

Re: [OMPI users] Problem with mpi_comm_spawn_multiple

Yoinks; I missed that -- sorry! Here's a simple tarball; can you try this with your compiler? Just untar it and make CC=icc FC=ifort ./main Do you see only 6 entries in the array? (I have icc 9.0, but I'm now running RHEL 5.4, and the gcc version with it is too new for icc 9.0 -- so I

Re: [OMPI users] Problem with mpi_comm_spawn_multiple

Dear Jeff, am afraid not, as I said in my original post I am using the Intel ifort compiler version 9.0, i.e. fred@prandtl:~> mpif77 -V Intel(R) Fortran Compiler for Intel(R) EM64T-based applications, Version 9.0 Build 20060222 Package ID: Copyright (C) 1985-2006 Intel Corporation.

Re: [OMPI users] communicate C++ STL strucutures ??

Thanks for the answer, ill will look at them when i get to this point, i've heard good comments about boost. Cristobal On Fri, May 7, 2010 at 4:49 PM, Fernando Lemos wrote: > On Fri, May 7, 2010 at 5:33 PM, Cristobal Navarro > wrote: > > Hello, >

Re: [OMPI users] Problem with mpi_comm_spawn_multiple

Greetings Fred. After looking at this for more hours than I'd care to admit, I'm wondering if this is a bug in gfortran. I can replicate your problem with a simple program on gfortran 4.1 on RHEL 5.4, but it doesn't happen with the Intel Fortran compiler (11.1) or the PGI fortran compiler

[OMPI users] MPI_FILE_SET_ERRHANDLER returns an error with MPI_FILE_NULL

Hello, According to my understanding of the documentation, it should be possible to set the default error handler for files with MPI_FILE_SET_ERRHANDLER. However, the following small Fortran77 program fails, MPI_FILE_SET_ERRHANDLER returns an error. =

Re: [OMPI users] communicate C++ STL strucutures ??

On Fri, May 7, 2010 at 5:33 PM, Cristobal Navarro wrote: > Hello, > > my question is the following. > > is it possible to send and receive C++ objects or STL structures (for > example, send map myMap) through openMPI SEND and RECEIVE functions? > at first glance i

[OMPI users] communicate C++ STL strucutures ??

Hello, my question is the following. is it possible to send and receive C++ objects or STL structures (for example, send map myMap) through openMPI SEND and RECEIVE functions? at first glance i thought it was possible, but after reading some doc, im not sure. i dont have my source code at

Re: [OMPI users] open mpi installation error

You rushed into errors because you rushed through the installation. Open MPI has very good, very thorough documentation. The FAQ has a whole section that deals with building Open MPI: http://www.open-mpi.org/faq/?category=building -- Prentice Jeff Squyres wrote: > As I advised you on the

Re: [OMPI users] Dynamic libraries in OpenMPI

Miguel Ángel Vázquez wrote: > Dear all, > > I am trying to run a C++ program which uses dynamic libraries under mpi. > > The compilation command looks like: > > mpiCC `pkg-config --cflags itpp` -o montecarlo montecarlo.cpp > `pkg-config --libs itpp` > > And it works if I executed it in

Re: [OMPI users] open mpi installation error

As I advised you on the LAM/MPI list, please see: http://www.open-mpi.org/community/help/ :-) On May 7, 2010, at 1:08 PM, Bharath.K. Chakravarthi wrote: > > hello there... > as i've been advised to use open mpi rather than lam mpi i've tried to > install it. > i could not got any

[OMPI users] open mpi installation error

hello there... as i've been advised to use open mpi rather than lam mpi i've tried to install it. i could not got any installation guide online although i have tried to install using lam/mpi manual only but i rushed into errors as follows [root@localhost openmpi]# ./configure .. .. *** C++

Re: [OMPI users] Fortran support on Windows Open-MPI

Hi, I tried the 1.5a1r23092 snapshot and I used CMAKE 2.6.4 and 2.8.1. In the CMake GUI, I checked the OMPI_WANT_F77_BINDINGS option, and added a FilePath for CMAKE_Fortran_COMPILER of C:/Program Files (x86)/Intel/Compiler/11.1/065/bin/ia32/ifort.exe. When I re-run the Configure, CMake

[OMPI users] Dynamic libraries in OpenMPI

Dear all, I am trying to run a C++ program which uses dynamic libraries under mpi. The compilation command looks like: mpiCC `pkg-config --cflags itpp` -o montecarlo montecarlo.cpp `pkg-config --libs itpp` And it works if I executed it in one machine: mpirun -np 2 -H localhost montecarlo

Re: [OMPI users] How do I run OpenMPI safely on a Nehalemstandalone machine?

Hi Jeff, John, Tim I had asked the same question that John and Tim did, but it got lost 100 emails ago on this thread. Here I've been disabling/enabling HT on the BIOS, as per Douglas Guptill's suggestion. Jeff: Thank you very much for the wizardry details. Very helpful for the list subscriber

Re: [OMPI users] MPIError:MPI_Recv: MPI_ERR_TRUNCATE:

I'm afraid I don't know enough about Boost to know. What the specific error message means is that you have posted an MPI_Recv that was too small to handle an incoming message. It is permissible in MPI to post a receive that is *larger* than the corresponding incoming message, but it is

Re: [OMPI users] Fortran derived types

If someone is deciding whether to use complex datatypes or stick with contiguous ones, they need to look at their own situation. There is no simple answer. The only thing that is fully predictable is that an MPI operation, measured in isolation, will be no slower with contiguous data than with

Re: [OMPI users] About the correct use of DIET_Finalize()

The error message is telling you that you have invoked MPI_Finalize more than once n a single process. The issue is that you can't do that -- you should only invoke MPI_Finalize exactly once in a given process. It's not an issue of ongoing communications when you invoke MPI_Finalize. It's ok

Re: [OMPI users] opal_mutex_lock(): Resource deadlock avoided

Could you send a short reproducer code of the problem? I have not heard of this, but we have not extensively tests the entire OMPI code base with threading support enabled. On May 6, 2010, at 7:03 AM, Ake Sandgren wrote: > Hi! > > We have a code that trips on this fairly often. I've seen

Re: [OMPI users] Fortran support on Windows Open-MPI

Thanks Shiqing. I'll try that. I'm not sure which bindings MUMPS uses, I'll post back if I need F90. My apologies for not asking a clearer question, when I said Fortran 90 support on Windows, I meant Open MPI, not compilers. Damien On 07/05/2010 3:09 AM, Shiqing Fan wrote: Hi Damien,

Re: [OMPI users] How do I run OpenMPI safely on a Nehalemstandalone machine?

On May 7, 2010, at 1:30 AM, John Hearns wrote: > > Indeed. I have seen some people have HT enabled in the bios just so that > > they can have the software option of turning them off via linux -- then you > > can run with HT and without it and see what it does to your specific codes. > > I may

Re: [OMPI users] Fortran derived types

I don't have any hard numbers for fortran, but I do for C structures. Using C structures with some other C functionality (pointer functions, etc etc) can yield up to a 3x slowdown at worst, and at best, had a 15% slowdown. I have seen similar results in fortran, but don't have the benchmark

Re: [OMPI users] Fortran support on Windows Open-MPI

Hi Damien, Currently only Fortran 77 bindings are supported in Open MPI on Windows. You could set the Intel Fortran compiler with CMAKE_Fortran_COMPILER variable in CMake (the full path to ifort.exe), and enable OMPI_WANT_F77_BINDINGS option for Open MPI, then everything should be compiled.

[OMPI users] MPI_Bsend vs. MPI_Ibsend

Thank you very much, now I get it! :-) Cheers, Jovana

Re: [OMPI users] How do I run OpenMPI safely on a Nehalem standalone machine?

On 5/6/2010 10:30 PM, John Hearns wrote: On 7 May 2010 03:17, Jeff Squyres wrote: Indeed. I have seen some people have HT enabled in the bios just so that they can have the software option of turning them off via linux -- then you can run with HT and without it and

Re: [OMPI users] Fortran support on Windows Open-MPI

On 5/6/2010 9:07 PM, Trent Creekmore wrote: Compaq Visual Fortan for Windows was out, but HP aquired Compaq. HP, later deciding they did not want it, along with the Alpha processor techonology, sold them to Intel. So now it's Intel Visual Fortran Compiler for Windows. In addition, if you don't

Re: [OMPI users] How do I run OpenMPI safely on a Nehalem standalone machine?

On 7 May 2010 03:17, Jeff Squyres wrote: > > Indeed.  I have seen some people have HT enabled in the bios just so that > they can have the software option of turning them off via linux -- then you > can run with HT and without it and see what it does to your specific codes.

[OMPI users] About the correct use of DIET_Finalize()

Dear All, My parallel application ends when each process receives a msg, done in an async way (but my question still arise if sync comm were used, see the ref to the manpage). Senders call MPI_Finalize() after a call to MPI_Wait() and receivers call MPI_Finalize() after having received the

Re: [OMPI users] Fortran support on Windows Open-MPI

Compaq Visual Fortan for Windows was out, but HP aquired Compaq. HP, later deciding they did not want it, along with the Alpha processor techonology, sold them to Intel. So now it's Intel Visual Fortran Compiler for Windows. In addition, if you don't want that package, instead they do sell a

[OMPI users] Fortran support on Windows Open-MPI

Hi all, Can anyone tell me what the plans are for Fortran 90 support on Windows, with say the Intel compilers? I need to get MUMPS built and running using Open-MPI, with Visual Studio and Intel 11.1. I know Fortran isn't part of the regular CMake build for Windows. If someone's working on