[Beowulf] shared memory versus MPI and bootless boot

pauln pauln at psc.edu
Thu Jun 29 12:44:52 EDT 2006


I think the gzip'ed image is about 24MB and you don't have to access 
/dev over nfs.
paul

Mark Hahn wrote:

>>>if your ram disk or local storage is 128MB, over a 2Mbps connect, i make
>>>it 8 mins, nearer 9 to load which is... urm slow.
>>>
>>>again this for a 100Mbps hub you would get 10.24 seconds per node.
>>>      
>>>
>>Ah thanks for noticing this, hadn't realized this timing problem yet!
>>    
>>
>
>well, 128M of traffic to boot is pretty extreme.  I haven't tcpdumped it,
>but it looks like around 2-4MB is all that's needed using the NFS-root approach.
>
>_______________________________________________
>Beowulf mailing list, Beowulf at beowulf.org
>To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
>  
>

_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf



More information about the Beowulf mailing list