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Subject: Re: [OMPI users] Linpack Benchmark and File Descriptor Limits
From: Alex Wolfe (awolfe_at_[hidden])
Date: 2008-09-18 19:46:23


I'm just running it using mpirun from the command line. Thanks for the
reply.

> On Thu, Sep 18, 2008 at 4:35 PM, John Hearns <hearnsj_at_[hidden]>wrote:
>
>>
>>
>> 2008/9/18 Alex Wolfe <awolfe_at_[hidden]>
>>
>>> Hello,
>>>
>>> I am trying to run the HPL benchmarking software on a new 1024 core
>>> cluster that we have set up. Unfortunately I'm hitting the
>>> "mca_oob_tcp_accept: accept() failed: Too many open files (24)" error known
>>> in verson 1.2 of openmpi. No matter what I set the file-descriptor limit for
>>> my account to, I am still limited to only 808 or so processes. Does anyone
>>> have any suggestions?
>>>
>> Are you running the Linpack via a batch system or just using mpirun from
>> the command line?
>>
>> If via a batch system, looks for FAQs on how to set the resource limits
>> for that batch system.
>>
>>
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>>
>
>