[Bioclusters] OS X/XGRID versus Linux/MPI

Kevin Blanchard kevin at kevinblanchard.com
Thu Nov 25 21:16:51 EST 2004


okay that makes more sense. I had come across the project at Standford 
http://cmgm.stanford.edu/~cparnot/xgrid-stanford/  and had used MPI but 
not Xgrid and wondered if it was a replacement for, or worked together 
with ,a  MPI cluster.

Thank you!


Rayson Ho wrote:

>Xgrid is a batch scheduler... while MPI is an API for parallel
>programming.
>
>You can writing an MPI program, and submit it to XGrid. XGrid will find
>the requested number of machines for you, and then start the job.
>
>On the other hand, you can install SGE (GridEngine) on a Linux cluster
>-- SGE is more powerful than XGrid -- and let it schedule your serial
>or parallel jobs.
>
>SGE:
>http://gridengine.sunsource.net
>
>Rayson
>
>
>--- Kevin Blanchard <kevin at kevinblanchard.com> wrote:
>  
>
>>Has anyone had any experience using OS X with Xgrid (all on local
>>LAN) , 
>>versus a linux setup  running MPI.  I know some still debate the true
>>
>>definition of cluster vs grid, and whether you can truly have a LAN
>>Grid 
>>,etc.. anyway semantics aside. Basically looking to see if anyone has
>>
>>been using Xgrid with in a LAN environment.  The cost is much
>>greater, 
>>but setup is a no brainer for Xgrid.  I was trying to google some 
>>performance comparisons with not much luck.  Any one have any stories
>>, 
>>good or bad, to share using xgrid?
>>_______________________________________________
>>Bioclusters maillist  -  Bioclusters at bioinformatics.org
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>>
>>    
>>
>
>
>
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