IUBio

Massively Parallel Applications in Sequence Analysis

Reinhard Doelz doelz at comp.bioz.unibas.ch
Mon Mar 29 11:23:13 EST 1993


In article <C4novr.Knt at murdoch.acc.Virginia.EDU>, wrp at cyclops.micr.Virginia.EDU (Bill Pearson) writes:
...
|> 
|> pvm2.4, 20 protein sequences vs 
|> annotated PIR34 (approx 10K sequences)
|> 
|> nodes	11      7       3   
|> 	--------------------
|> k2	 78     105     207 	(times in seconds)
|> 	 76     128     206
|> 	(73.9)
|>                     

The figures look great indeed. The only problem I see with pvm that 
there is very little implemented with respect to the availability, 
accounting, security and vulnerability of the distribution. 
In contrast to hierarchical access systems, pvm does not intend to 
utilize code which is available as standalone but requires further
code modification and maintenance; also, it needs to be configured
with the targeted nodes and might not be as dynamic as possible if 
there's a biologist workstation which wants to benefit from the 
physics department. Last, remote login with pvm requires 'trusted', 
at best yellow pages or similar networked environments. This is beyond
applicability in WANs, but increasingly also affects LANs with
interdepartemental connections. 


Regards
Reinhard 

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