Camelia, the Perl 6 bug

IRC log for #crimsonfu, 2013-07-16

crimsonfu - sysadmins who code

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All times shown according to UTC.

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10:59 Topic for #crimsonfu is now http://crimsonfu.github.com - ConfiguRatIon Management of Systems Or Network kung FU | logs at http://irclog.perlgeek.de/crimsonfu/today
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13:18 dotplus regarding mghpcc, do you find that the user community actually knows how to take advantage of all those cores? or do you have to educate them? At ece.cmu.edu, we had very few (non-CS types) who were able (willing?) to split their jobs up to be parallelizable (even when the nature of the jobs lent itself to being split up). And now at ornl.gov, I see a _large_ team of people most of whose role (I think) is to teach researchers how to use the ...
13:18 dotplus ... supercomputers
13:25 pdurbin more people use our "compute on demand" (GUI-oriented apps like Stata) cluster than our batch cluster: http://cod-head.hmdc.harvard.edu/UserJun.html vs. http://batch-head.hmdc.harvard.edu/UserJun.html
13:25 pdurbin (not that this has anything to do with mghpcc)
14:35 sjoeboo dotplus: we have to do a lot of user education, and our community is pretty split. Some researchers know exactly what they are doing and have pretty scalable code/models. Others just want to run matlab single threaded for 2 weeks "somewhere other than their desktop"
14:35 sjoeboo we specifically went for a high core count because we have so many serial users.
14:39 sjoeboo that being said, our install @ mghpcc (well, our 28K cores of net new stuff out there) IS a single paralell system
14:49 pdurbin sjoeboo: pleasingly parallel? http://en.wikipedia.org/wi​ki/Embarrassingly_parallel :)
14:50 sjoeboo ha, yes and no. some users just have ways of running 28K independent jobs, others are heavy MPI, true parallel programs.
14:56 pdurbin makes sense
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22:12 semiosis pdurbin: https://botbot.me/freenode/gluster/ \o/
22:14 pdurbin semiosis: very pretty
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23:50 JoeJulian Which came first? The sysadmin, or the bus?
23:51 agoddard the bus
23:51 pdurbin JoeJulian: I hope this is hypothetical
23:51 JoeJulian Yeah, just have heard the "if he got hit by a bus" analogy a few too many times today...
23:52 * pdurbin hops on his bike and crosses fingers
23:53 agoddard I just sent a request to the gov't for info on vehicle collisions yesterday coincidentally, Imma send 'em one for bus vs pedestrian accidents
23:53 agoddard and then see if we can figure out if any are sysadmins
23:53 agoddard put this issue to rest once and for all

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crimsonfu - sysadmins who code