TELEMAC-MASCARET Forum: Error run after installation v7p2 (2/3)

Error run after installation v7p2 7 years 11 months ago #27487

yugi OFFLINE openTELEMAC Guru Posts: 851 Thank you received: 244	It looks likes it is not really running in parallel: MPI_INITIALIZED F MASTER PROCESSOR NUMBER 0 OF THE GROUP OF 1 P_INIT: FILE PARAL IS INCONSISTENT WITH MPI PARAMETERS MPI NCSIZE = 1 PARAL NCSIZE = 2
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Error run after installation v7p2 7 years 11 months ago #27492

Yunhao Song OFFLINE Senior Boarder Posts: 119 Thank you received: 10	Yes indeed, you can tell from the inconsistency between MPI and PARAL NCSIZE. Also in my case it should be "... THE GROUP OF 4 " Do you have any idea on how to solve this inconsistency? Thanks for your help.
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Error run after installation v7p2 7 years 11 months ago #27494

yugi OFFLINE openTELEMAC Guru Posts: 851 Thank you received: 244	Could you give me your steering file and the command you are using to run the case.
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Error run after installation v7p2 7 years 11 months ago #27495

Yunhao Song OFFLINE Senior Boarder Posts: 119 Thank you received: 10	Hi Yoann, The case is the 3d example of v7p2r1 called malpasset. Please find the steering file and my config file in the attachment. The command used to run the case is "telemac3d.py -c wing64mpi -s t3d_malpasset_large.cas" Best regards! Attachments: t3d_malpas...arge.cas (3KB) systel_v7p2_all.cfg (4KB)
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Error run after installation v7p2 7 years 11 months ago #27497

yugi OFFLINE openTELEMAC Guru Posts: 851 Thank you received: 244	You need to run : telemac3d.py -c wing64mpi -s t3d_malpasset_large.cas --ncsize=4 Hopefully that should work.
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Error run after installation v7p2 7 years 11 months ago #27498

Yunhao Song
OFFLINE
Senior Boarder
Posts: 119
Thank you received: 10

Hi Yoann, unfortunately it doesn't work, same error...

MASTER PROCESSOR NUMBER 0 OF THE GROUP OF 1
P_INIT: FILE PARAL IS INCONSISTENT WITH MPI PARAMETERS
MPI NCSIZE = 1
PARAL NCSIZE = 4
.
.
.
Fatal error in MPI_Irecv: Invalid rank, error stack:
MPI_Irecv(147): MPI_Irecv(buf=0000000008D3AE80, count=432, MPI_BYTE, src=1, tag=5001, MPI_COMM_WORLD, request=0000000000D4DE20) failed
MPI_Irecv(96).: Invalid rank has value 1 but must be nonnegative and less than 1

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Error run after installation v7p2 7 years 11 months ago #27499

yugi OFFLINE openTELEMAC Guru Posts: 851 Thank you received: 244	It seems like your are running a sequential executable. Could you remove the executable in your folder and then rerun.
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Error run after installation v7p2 7 years 11 months ago #27500

Yunhao Song OFFLINE Senior Boarder Posts: 119 Thank you received: 10	Hi Yoann, I removed the previous executable and reran but nothing changed...
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Error run after installation v7p2 7 years 11 months ago #27502

yugi
OFFLINE
openTELEMAC Guru
Posts: 851
Thank you received: 244

Could you try running a simple mpi example to check mpi.

Copyt the text below into a file named hello_world.f90

    !  Fortran example  
       program hello
       include 'mpif.h'
       integer rank, size, ierror, tag, status(MPI_STATUS_SIZE)
     
       call MPI_INIT(ierror)
       call MPI_COMM_SIZE(MPI_COMM_WORLD, size, ierror)
       call MPI_COMM_RANK(MPI_COMM_WORLD, rank, ierror)
       print*, 'node', rank, ': Hello world'
       call MPI_FINALIZE(ierror)
       end

Then run the following command to compile it:

gfortran -I C:\opentelemac-mascaret\mpich2\include hello_world.f90 C:\opentelemac-mascaret\mpich2\lib\libfmpich2g.a -o hello_world

Thn this to run it:

C:\opentelemac-mascaret\mpich2\bin\mpiexec.exe -n 4 hello_world

It should give you something like that:

 node           0 : Hello world
 node           1 : Hello world
 node           2 : Hello world
 node           3 : Hello world

There are 10 types of people in the world: those who understand binary, and those who don't.

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Error run after installation v7p2 7 years 11 months ago #27504

Yunhao Song OFFLINE Senior Boarder Posts: 119 Thank you received: 10	Hi Yoann, it shows what you expected. Best regards
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