Re: compiled namd on clustermatic fails !

From: Amit Paliwal (paliwal_at_jhu.edu)
Date: Tue Aug 03 2004 - 06:38:31 CDT

Thanks Gengbin,
So basically we can just ignore ++nodelist option...Is it? We should
however tell it how many processors we want to run it on, though.
something like :
./charmrun +=skipmaster ++startpe <some node number> +p<some number>
./namd2 <config file>

-Amit.

Gengbin Zheng wrote:

> Hi Amit,
>
> The reason it was not working was because nodelist file so far is not
> supported by Charm++ of clustermatic version. The nodes to use is
> automatically picked up by charmrun according to node's up/down status.
>
> Gengbin
>
> Amit Paliwal wrote:
>
>> Hi,
>> I can not get either precompiled binary or locally compiled
>> charmrun+namd to run on clustrmatic cluster.
>>
>> When I try :
>>
>> ./charmrun ++skipmaster ++startpe 122 +p1 ++verbose ./namd2 src/alanin
>> it runs fine...
>> but when it is run through nodelist then it simply fials to run and
>> in fact tries to connect toi wrong nodes:
>> ./charmrun ++skipmaster ++nodelist +p2 ++verbose ./namd2 src/alanin
>> produces output:
>>
>> Charmrun> charmrun started...
>> Charmrun> adding client 0: "0", IP:10.0.0.1
>> Charmrun> There are 0 slave nodes available.
>> Charmrun> Charmrun = 10.0.0.250, port = 41124
>> Charmrun> start node program on slave node: 0.
>> Charmrun> node programs all started
>> Charmrun> Waiting for 0-th client to connect.
>>
>>
>> I think the problem might be in the nodelist format. I used the
>> following:
>>
>> group main
>> host 122
>> host 126
>> where 122 and 126 were the nodes assigned to me.
>>
>> -Amit
>>
>> PS: Is charm source compatible with clustermatic 4.0 ??
>>
>>
>>
>>
>>
>
>

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