mpi problem

[rosegol]

hi every body...

I want to run fds6 in MPI mode. I installed mpich2-1.3.2p1 win-x86-64 . my test case has 2 meshes and I want to use 2 cores of my laptop. here is my config file . 

exe\\[compueter name]\[file location of fds]\fds_mpi.exe[file name].fds

dir\\[computer name]\[file location for output]

hosts

[computer name] 2

I put my config file in the bin of FDS . then I opened command prompt and navigate to the directory where  the config is and then type:

fds_mpi config.txt on command line.

It appears:

process 0 of 0 is running on [computer name]

ERROR: no MESH line<s> defined

what is the problem? should I define meshes in config file?

 thank you in advanced 

[dr_jfloyd]

Read section 3.1.2 of the FDS 6 User's Guide and refer to the example command line showing how to run an MPI job with MPICH2

[rosegol]

tnx dr_jfloyd. but in user guide says that write mpiexec -file config.txt

when I typed it in command window it says that 'mpiexec' is not recognized as an internal or external command,operable program or batch file.

[dr_jfloyd]

Then the directory where it is installed isn't in your path. Add to your path or give the full directory as part of the command.

[rosegol]

here is the directory of installed fds 

C:\Program Files\FDS\FDS6\bin

I put my config.txt and fds case in the bin too

and here is my command line

C:\Program Files\FDS\FDS6\bin>mpiexec -config.txt

here is the error

 'mpiexec' is not recognized as an internal or external command,operable program or batch file

if I type in command window this:

C:\Program Files\FDS\FDS6\bin>fds_mpi config.txt

this error appears

process 0 of 0 is running on [computer name]

ERROR: NO MESH line<s>defined.

what is my mistake?

[dr_jfloyd]

same two mistakes.

1) mpiexec is not in your path so when you just type mpiexec it gives the error that it can't find it
2) fds_mpi congfig.txt doesn't work because it is not the correct command. The correct command is as given in the User's Guide using mpiexec

[rosegol]

tnx dr_jfloyd. I copy my config.txt in the bin of mpich2 and write in command window this

 C:\Program files\MPICH2\bin\mpiexec -file config.txt

but it appears:

ERROR: no executable specified

Unable to parse the mpiexec command arguments.

[Barbro Maria Storm]

What is in your config.txt-file?

On another note:
In my experience you should upgrade to latest MPICH2 version with FDS6.

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Barbro Storm

[rosegol]

here is my config.txt

exe\\[computer name]\C:\Program Files\FDS\FDS6\bin\fds.exe testcase.fds
dir\\[computer name]\C:\Program Files\FDS\FDS6\bin\MPI
hosts
[computer name] 2

[palinda bandara]

Rosegol,

Can you please refer to the below link where a similar issue has been discussed before & check if it resolves your problem? The only difference is that it was intended for fds 5. Hope this helps.

https://groups.google.com/forum/#!searchin/fds-smv/palinda%7Csort:relevance/fds-smv/Zu4ceSXb4VU/5TdHzKpx_1kJ

To view this discussion on the web visit https://groups.google.com/d/msgid/fds-smv/edc913c1-9f47-4ec2-a3c1-10a701c05049%40googlegroups.com.

[Barbro S.]

Hi again! 

First if all, you need to use fds_mpi.exe (name is not exact, but you see the difference). 

If you're just using a local machine you can save yourself a lot of trouble using command line instead of config.txt. Are you sure you have admin-rights? Also, remember to boot after installing MPICH2. A few times if you run into trouble. If trying to switch versions (do use the latest version w/FDS 6), remove-reboot-install-reboot. 

I'm not close to a computer right now(1) but it goes something like this:

(In FDS-file folder - here w/windows commands, but basically same structure w/Linux)

C:/program files/MPICH2/bin/mpiexec.exe --localonly -n 2 C:/program files/FDS/FDS6/bin/fds_mpi.exe testcase.fds

Also, try "mpiexec.exe -help" and google Gissi's FDS user guide, it's very helpful. 

Dear regards,

Barbro Storm

Fire Engineer

Sent via/iPhone

1: digression http://articles.latimes.com/2004/jul/25/news/adfg-norway25

To view this discussion on the web visit https://groups.google.com/d/msgid/fds-smv/edc913c1-9f47-4ec2-a3c1-10a701c05049%40googlegroups.com.

[rosegol]

thank you dear Barbro.. I will try your guieds and tell you the result . tnx again 

[yamina]

hi everyone

I have the same problem

do you resolved it?

if yes can you tell me how?

thak you a lot