[Pw_forum] Pw_forum Digest, Vol 27, Issue 32

[wangqj1]

Dear Lorenzo
     Thanks for your help, but what shoul I do to solve the problem ? Can you tell the specific course ? 
 
Message: 2
>Date: Mon, 07 Sep 2009 15:24:32 +0200
>From: "Lorenzo Paulatto" <paulatto at sissa.it>
>Subject: Re: [Pw_forum] pw.x running but nothing happens
>To: "PWSCF Forum" <pw_forum at pwscf.org>
>Message-ID: <op.uzv166ska8x26q at paulax>
>Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes
>
>In data 07 settembre 2009 alle ore 13:27:31, wangqj1 <wangqj1 at 126.com> ha  
>scritto:
>>      I don't know why only display 8 CPUs while I use 2 nodes (16 CPUs)
>
>top only displays process on the node it's running.
>
>> Untill now the job only has 2 iterations form 2:00 PM today  ,it is so  
>> slowly .  How can I solve this problem ?
>
>
>Probably the network connection is slow, use k-point parallelisation  
>(pools) among different nodes, it is not as efficient as g-space  
>parallelization, but it requires much less communication.
>
>
>regards
>
>
>-- 
>Lorenzo Paulatto
>SISSA  &  DEMOCRITOS (Trieste)
>phone: +39 040 3787 511
>skype: paulatz
>www:   http://people.sissa.it/~paulatto/
>
>     *** save italian brains ***
>  http://saveitalianbrains.wordpress.com/

 


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