[mpich-discuss] query on MPICH2 on Windows

[Jayesh Krishna]

Hi,
 As Rob mentioned the error might be due to the way netcdf checks for MPI-IO support.
 Can you give us details on how you configure netcdf with MPICH2 ?

(PS: MPI-IO is available with MPICH2 on windows even if you use the installers for your installation.)

Regards,
Jayesh
----- Original Message -----
From: "Kunal Rao" <kunalgrao at gmail.com>
To: mpich-discuss at mcs.anl.gov
Sent: Saturday, October 2, 2010 12:08:52 PM GMT -06:00 US/Canada Central
Subject: Re: [mpich-discuss] query on MPICH2 on Windows


Hi 


Initially, I had used the installers availabe at the MPICH 2 website and that was giving the error mentioned before. I then, downloaded 
the source code and built MPICH2 from that (configure/make/make install) in cygwin and linked this MPI while configuring parallel 
netcdf. Now, it is not giving that error and it moved ahead. 


Thanks & Regards, 
Kunal 


On Fri, Oct 1, 2010 at 8:18 PM, Jayesh Krishna < jayesh at mcs.anl.gov > wrote: 


Hi, 
Did you build MPICH2 from source (configure/make/make install) under cygwin environment ? Or did you install MPICH2 using installers available at the MPICH2 website ? 

Regards, 
Jayesh 



----- Original Message ----- 
From: "Kunal Rao" < kunalgrao at gmail.com > 
To: mpich-discuss at mcs.anl.gov 
Sent: Friday, October 1, 2010 5:01:38 PM GMT -06:00 US/Canada Central 
Subject: [mpich-discuss] query on MPICH2 on Windows 



Hi 


Does MPICH2 on Microsoft Windows support MPI-IO ? 


I was checking on this site http://www.mcs.anl.gov/research/projects/romio/ where it says that ROMIO is included as a part of MPICH 2. 


The reason I ask this is because I am trying to configure parallel netcdf library on Windows through the cygwin environment. While doing "configure" it stops with the following message: 



---------------- 


checking MPI-IO support in MPI implementation... configure: error: mpi implementation does not support MPI-IO 


--------------- 


The MPI implementation I used is MPICH2 which I was assuming supported MPI-IO on Windows as well. I tried using MSMPI but even that stopped with the same message. Any thoughts on this ? 


Thanks & Regards, 
Kunal 




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