[Swift-devel] SwiftR user-ready?

Michael Wilde wilde at mcs.anl.gov
Thu Feb 24 13:56:54 CST 2011


Sarah, it does work - although it needs much more testing and hardening. Tim Armstrong, a CS PhD student working under Ian is developing and enhancing it. At the moments Tim is getting 400X speedup on 512-core cluster jobs on Eureka/ He's tuning it further, and will test and validate on Beagle shortly. 


It would be great if you can have your user try it and report problems and questions back to swift-user for now where Tim and I can answer from. Later we may move or cc: the questions to an OpenMx list. 


It would be good to know what the snowfall problems are so we can know more of the pitfalls of parallel R. 


Tim and I are eager to get more users and validate that SwiftR works on many platforms. 


Related: we'd like to try to replicate some of your large fMRI-SEM workflows under this. Could you suggest the best way to get started on that? (Ie, from a package of data and swift + shell scripts, Tim could transcribe the workflow to SwiftR). 


Thanks, 


- Mike 



----- Original Message -----


does this work? http://www.ci.uchicago.edu/wiki/bin/view/SWFT/SwiftR 

if so i have someone who might be interested in using it, he's just trying to run bootstrapping on an 8-core mac and getting frustrated with snowfall...i'd seen svn activity on this so thought i'd see if it was in a state where you might want someone to play around with it :) however, the download failed for me: 

[skenny at cosmo builds]$ wget http://people.cs.uchicago.edu/~tga/Swift_0.1.3.tar.gz 
--2011-02-24 11:21:45-- http://people.cs.uchicago.edu/~tga/Swift_0.1.3.tar.gz 
Resolving people.cs.uchicago.edu... 128.135.164.139 
Connecting to people.cs.uchicago.edu |128.135.164.139|:80... connected. 
HTTP request sent, awaiting response... 404 Not Found 
2011-02-24 11:21:45 ERROR 404: Not Found 

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-- 
Michael Wilde 
Computation Institute, University of Chicago 
Mathematics and Computer Science Division 
Argonne National Laboratory 

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