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From: Lei_at_[hidden]
Date: 2003-09-18 14:05:01


Hi Vincent:

I am using Fortran and MPI. Are there equivalent flags
For Fortran? Too bad our cluster is down now so I cannot
Test your flags.

Thanks a lot,

-Lei

On 9/18/03 11:27 AM, "Virgilio, Vincent" <Vincent.Virgilio_at_[hidden]> wrote:

> Perhaps you need to build MPI with (at least) the following compiler flags:
>
> -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
>
> which should enable 'large file support' in the standard C library. (FWIW, I
> don't think the _GNU_ standard C++ library supports large files yet.)
>
> I ran into (seemingly) the same limit in my application, and broke through
> it with these flags.
>
> Caveat emptor (BEWARE): I am not using MPI facilities for I/O, so didn't
> notice the limit there, and therefore didn't compile LAM/ROMIO with these
> flags.
>
> Vince Virgilio
>
>> -----Original Message-----
>> From: Lei_at_UCI [mailto:pan_at_[hidden]]
>> Sent: Thursday, September 18, 2003 1:02 PM
>> To: LAM/MPI mailing list
>> Subject: LAM: Limitation in size of a single file
>>
>>
>> Hi,
>>
>> The Linux cluster I am using seems to have a
>> Limitation of ~2GB on the size one single
>> File can be. Both Fortran file I/O and
>> MPI parallel file I/O failed with broken
>> Pipe on outputting a file of ~2.8GB.
>>
>> Please help! Sorry I am not a system admin
>> Which means if you help me please give me
>> Detailed steps on how to resolve this.
>>
>> Thanks and I appreciate your help!
>>
>> -Lei
>>
>> _______________________________________________
>> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>>
>
>
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