Actually, as Demian already said in this thread, using the Open MPI installer is the easiest way.
The installer principally works on all windows NT platforms.
But of course, again the compiler/linker properties in Visual Studio have to be set correctly in your own project.

Building Open MPI is also straightforward using CMake, Damien has provided a detailed instruction too. Hope that will help you.

I wouldn't suggest you to build Open MPI under Cygwin, as the process is way too time consuming, it's more than 5 times slower than building with CMake. And you have also to spend a lot of time to figure out the configure options.


On Wed, 13 Jun 2012 22:40:26 +0200, Trent Creekmore <tcr...@gmail.com> wrote:

Well, you can now see why I gave up on trying to get to it function with Windows.

I would say work with Linux and using the guide I did, to at least get you started on doing some work instead of wasting a lot of time working on that.

If you want it to function with Windows that badly just keep working on it in spare time. Meanwhile get to coding now using the method I told you.



From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 3:23 PM
To: us...@open-mpi.org
Subject: Re: [OMPI users] Building MPI on Windows


Yes, did that too.


--

Vimal

From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Trent Creekmore
Sent: Wednesday, June 13, 2012 4:21 PM
To: 'Open MPI Users'
Subject: Re: [OMPI users] Building MPI on Windows


I meant the actual files, not including folders.

But you won’t need to Bin files,


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 3:13 PM
To: us...@open-mpi.org
Subject: Re: [OMPI users] Building MPI on Windows


I put all the folders (bin, include, etc, lib and share) in the root folder of the project. No success.

Tried adding all the .h files in include in the Header files folder under the Project in VS. Still no go.


--Vimal


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Trent Creekmore
Sent: Wednesday, June 13, 2012 3:52 PM
To: 'Open MPI Users'
Subject: Re: [OMPI users] Building MPI on Windows


I find the easiest way to know if LIB and DLL function correctly, and avoiding confusion on correct setup is it just drop them all in the root directory of your project. VS should see them upon load of that project.


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 2:47 PM
To: us...@open-mpi.org
Subject: Re: [OMPI users] Building MPI on Windows


Yes, and then I added the libraries folder in Visual Studio under Project Properties>Linker>General>Additional Library Directories.

I tried compiling simple ‘Hello World’’ code and I get an error message saying ‘Cannot open <mpi.h>: No such file or directory.


What step am I missing?


--

Vimal


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Damien
Sent: Wednesday, June 13, 2012 3:43 PM
To: Open MPI Users
Subject: Re: [OMPI users] Building MPI on Windows


Once you've run the installer, you'll have a set of OpenMPI debug and release dlls, libraries to link to and the necessary include files. If you're installing the 64-bit version, it will end up here by default:

C:\Program Files (x86)\OpenMPI_v1.6-x64

Damien

On 13/06/2012 1:35 PM, vimalmat...@eaton.com wrote:

What do I do after I run it?


--

Vimal


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain
Sent: Wednesday, June 13, 2012 3:32 PM
To: Open MPI Users
Subject: Re: [OMPI users] Building MPI on Windows


I'm not a Windozer, so I can't speak to the port for that platform. However, the conversation here seems strange to me. Have you actually read the instructions on the open-mpi.org web site?


Looks pretty simple to me. You download the .exe installer for either 32 or 64 bits, and run it. You don't build OMPI from source - the distro contains everything you need to just run.


See:


http://www.open-mpi.org/software/ompi/v1.6/


for the software and some Windows notes.



On Jun 13, 2012, at 1:20 PM, Trent Creekmore wrote:


I just gave up and stuck with Unix/Linux. Eclipse IDE offers a very nice plugin for developing and debugging MPI code named Parallel Tools Platform. Something not available in Visual Studio, except for similar one made by Intel, but I believe you have to use their compiler.


You could always run Eclipse remotely from any Windows OS using a Secure Shell client and Xming (A Windows based X Server). That is what I do, and no more wasting time trying to get OMPI trying to run on Windows.


From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 2:09 PM
To: us...@open-mpi.org; us...@open-mpi.org
Subject: Re: [OMPI users] Building MPI on Windows


I've tried the Cygwin way.
Been hitting roadblocks for a week now. I've just uninstalled everything and started from scratch again.

--
Vimal


-----Original Message-----
From: users-boun...@open-mpi.org on behalf of Trent Creekmore
Sent: Wed 6/13/2012 2:47 PM
To: 'Open MPI Users'
Subject: Re: [OMPI users] Building MPI on Windows

This may, or may not be helpful, but I have tried the Windows offerings. I have never gotten anything to function was expected. Compiling, or the available binaries. I think they just don't work at all.



My suggestion which I feel would be easier, and less headache way would be to install something like CygWin, which would give you a Unix/Linux like environment running under Windows.

You would only need to compile it in CygWin just like the Linux/Unix docs say to do.



I don't know if anyone else has done it this way or not.





From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 1:32 PM
To: us...@open-mpi.org
Subject: [OMPI users] Building MPI on Windows



Hi,



I'm trying to follow the ReadMe file to build OpenMPI on Windows:



Step 1: Untar the contrib/platform/win32/ompi-static.tgz tarball in the root directory of the Open MPI distribution.

I do not have ompi-static.tgz in the mentioned path.



Step 2: Go in the ompi/datatype subdirectory in the Open MPI distribution and copy the following:

datatype_pack.c   to datatype_pack_checksum.c

datatype_unpack.c to datatype_unpack_checksum.c

I do not see these files in the mentioned path.



Step 4: Open the Open MPI project (.sln file) from the root directory of the distribution.

I don't have a .sln file anywhere



Help anyone? Shiqing?



Thanks,

Vimal



From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of vimalmat...@eaton.com
Sent: Wednesday, June 13, 2012 11:21 AM
To: f...@hlrs.de
Cc: us...@open-mpi.org
Subject: Re: [OMPI users] Help with buidling MPI(Error: mpi.h not found)



I did make uninstall. I also deleted the folders of the other implementation.

I ran ./configure and make all install.

At the end of the make I saw a bunch of errors for the makefiles. I've attached the .log and .out files.



Please tell me if I'm on the right track.



Thanks,

Vimal



From: Shiqing Fan [mailto:f...@hlrs.de]
Sent: Wednesday, June 13, 2012 9:37 AM
To: Mathew, Vimal
Cc: Open MPI Users
Subject: Re: [OMPI users] Help with buidling MPI(Error: mpi.h not found)



Hi Vimal,

I'm not sure how you can uninstall the other one, may be 'make uninstall' from the source? Or you may also ask in their mailing list.

Another solution might use the full path for the executables, like "c:\Program Files\OpenMPI_v1.6-win32\bin\mpicc hello.c" or under Cygwin: "/cygdrive/c/Program\ Files/OpenMPI_v1.6-win32/bin/mpicc.exe hello.c".

Of course, I suggest to get rid of the other MPI implementation.

Shiqing


On 2012-06-13 3:17 PM, vimalmat...@eaton.com wrote:

Hi Shiqing,



I installed the LAN/MPI implementation first then the Open MPI implementation.

Could this be the problem? If yes, how do I get rid of the LAN/MPI implementation?



Thanks,

Vimal



From: Shiqing Fan [mailto:f...@hlrs.de]
Sent: Wednesday, June 13, 2012 4:49 AM
To: Open MPI Users
Cc: Mathew, Vimal
Subject: Re: [OMPI users] Help with buidling MPI(Error: mpi.h not found)



Hi Vimal,

The output looks strange. If you use the installer under Cygwin, mpicc shouldn't try to link with liblammpio.* or any library in /usr/local/lib. So I guess the mpicc is messed up with some previously installed MPI implementations. Could you please verify that 'which mpicc' is the one you installed?

Anyway, here I sent some screen shots that how it should look like under Cygwin.

1 - run command 'mpicc chello.c'

2 - run command 'mpicc chello.c -o chello'

Regards,
Shiqing


On 2012-06-12 8:44 PM, vimalmat...@eaton.com wrote:

I ran OpenMPI_v1.6-1_win64.exe.
 Now I get this message:
        C9995799@SOUMIWHP5003567 ~/openmpi-1.6
        $ mpicc hello.c -o hello
        WARNING: mpicc expected to find liblammpio.* in /usr/local/lib
        WARNING: MPI-2 IO support will be disabled
        gcc: hello.c: No such file or directory
        mpicc: No such file or directory
--
Vimal


-----Original Message-----
From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On
Behalf Of Jeff Squyres
Sent: Tuesday, June 12, 2012 2:30 PM
To: Open MPI Users
Subject: Re: [OMPI users] Help with buidling MPI(Error: mpi.h not found)

Probably easier to just run the Open MPI binary installer.


On Jun 12, 2012, at 2:24 PM, <vimalmat...@eaton.com> <mailto:vimalmat...@eaton.com> wrote:


        So I simply download and run OpenMPI_v1.6-1_win64.exe?
        Or is there a way to fix the Fortran compiler?
       --
        Vimal
       -----Original Message-----
From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org]
        On Behalf Of Jeff Squyres
        Sent: Tuesday, June 12, 2012 2:20 PM
        To: Open MPI Users
        Subject: Re: [OMPI users] Help with buidling MPI(Error: mpi.h not
        found)
It does not look like you successfully built Open MPI -- it looks like



        Open MPI's configure script aborted because your Fortran compiler
        wasn't
        behaving:
       -----
checking if Fortran 77 compiler supports COMPLEX*16... yes checking
        size of Fortran 77 COMPLEX*16... 16 checking alignment of Fortran
COMPLEX*16... 8 checking if Fortran 77 compiler supports COMPLEX*32...
        no checking for max Fortran MPI handle index... ( 0x7fffffff <
        2147483647 ? 0x7fffffff : 2147483647 ) checking Fortran value for

.TRUE.

logical type... configure: error: Could not determine value of Fortran



        .TRUE..  Aborting.
        -----
Anything that happened after that is somewhat irrelevant because Open
        MPI didn't configure properly.
       Looking in config.log, I see why:
       -----
        configure:44290: checking Fortran value for .TRUE. logical type
        configure:44386: gcc -DNDEBUG -g -O2 -finline-functions
        -fno-strict-aliasing -I. -c conftest.c
        configure:44393: $? = 0
        configure:44403: gfortran  -o conftest conftest.o conftestf.f
        /usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../i686-pc-cygwin/bin/ld:
        reopening conftest.exe: Device or resource busy
       /usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../i686-pc-cygwin/bin/ld:
        final link failed: Device or resource busy
        collect2: ld returned 1 exit status
        configure:44410: $? = 1
configure:44427: error: Could not determine value of Fortran .TRUE..
        Aborting.
        -----
       All this may be irrelevant, though, because it looks like you're
        building on Windows.
In that case, you might well want to just download the OMPI Windows binaries. I don't know offhand if we support building on Windows with



        the normal configure / make methodology; we normally use cmake to
        build from source on Windows.
On Jun 12, 2012, at 1:25 PM, <vimalmat...@eaton.com> <mailto:vimalmat...@eaton.com> wrote:

                Hi,
I was directed to the OpenMPI website from the Boost Libraries page
                to

        install an MPI Installation.

I've followed all the steps in the installation guide to configure
                and

build MPI. When I try to compile the hello.c program which contains
        <mpi.h>.

I get an error message saying mpi.h does not exist I've attached the config.log, config.out, make.out , ompi_info all and make-install.out

        files.

               Any help will be greatly appreciated!
               Thanks,
                Vimal Mathew
               <openmpi-1.6.7z>_______________________________________________
                users mailing list
                us...@open-mpi.org
                http://www.open-mpi.org/mailman/listinfo.cgi/users

       --
        Jeff Squyres
        jsquy...@cisco.com
        For corporate legal information go to:
        http://www.cisco.com/web/about/doing_business/legal/cri/
       _______________________________________________
        users mailing list
        us...@open-mpi.org
        http://www.open-mpi.org/mailman/listinfo.cgi/users
       _______________________________________________
        users mailing list
        us...@open-mpi.org
        http://www.open-mpi.org/mailman/listinfo.cgi/users



--
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/


_______________________________________________
users mailing list
us...@open-mpi.org
http://www.open-mpi.org/mailman/listinfo.cgi/users

_______________________________________________
users mailing list
us...@open-mpi.org
http://www.open-mpi.org/mailman/listinfo.cgi/users








--
---------------------------------------------------------------
Shiqing Fan
High Performance Computing Center Stuttgart (HLRS)
Tel: ++49(0)711-685-87234      Nobelstrasse 19
Fax: ++49(0)711-685-65832      70569 Stuttgart
http://www.hlrs.de/organization/people/shiqing-fan/
email: f...@hlrs.de



--
---------------------------------------------------------------
Shiqing Fan
High Performance Computing Center Stuttgart (HLRS)
Tel: ++49(0)711-685-87234      Nobelstrasse 19
Fax: ++49(0)711-685-65832      70569 Stuttgart
http://www.hlrs.de/organization/people/shiqing-fan/
email: f...@hlrs.de

_______________________________________________
users mailing list
us...@open-mpi.org
http://www.open-mpi.org/mailman/listinfo.cgi/users



_______________________________________________
users mailing list
us...@open-mpi.org
http://www.open-mpi.org/mailman/listinfo.cgi/users


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