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Supercomputing 2006 BOF: “Is 99% Utilization of a Supercomputer a Good Thing?”

For those few readers who are interested in High Performance Computing and might be going to this year’s Supercomputing conference in Tampa, my advisor Allan Snavely and Jeremy Kepner from Lincoln Labs are putting on a BOF with an intriguing subject: “Is 99% Utilization of a Supercomputer a Good Thing?”

It’ll be on Thursday Nov. 16th at 12:15PM.

As with all really interesting questions, this has a quick, easy answer that reveals your point of view. My immediate answer is “No”, because of the productivity problems the focus on high utilization causes for many HPC users, mainly through the use of a batch queue. However, when considering the interests of everyone involved (including the people who have to evaluate how money is spent on these systems), the only responsible way to answer is “it depends”.

It’s an interesting topic that never fails to generate some controversy, and from what I can tell we’ll have some diverse speakers at the BOF (including myself, discussing user surveys we’ve conducted as part of DARPA HPCS). It should be enlightening.

Previously:
MacResearch.org: BibDesk “killer app”
June 28, 2006

Over at macresearch.org, they’ve posted a nice review of BibDesk. One quote: “If you use Latex search no more, this is a killer app.” Kudos to Adam and Christiaan.

I see an increasing number of Macs at research meetings I go to, and I usually can’t help but peek on their dock to look for that [...]

read the rest.
Static Bug Checking in Open Source software
March 13, 2006

Coverity, the company formed by the people behind the Stanford MC Checker, has started posting regular reports from their analysis tools on prominent open-source projects at scan.coverity.com.

I found out about this through an email from the Coverity CTO on the GCC mailing list, and it seems to have been received with some moderate enthusiasm. [...]

read the rest.
Concurrency is about to be everybody’s problem
March 3, 2006

Herb Sutter, software architect at Microsoft, chair of the ISO C/C++ committee, and blogger, gave a talk this Monday about the impending concurrency revolution and his project, Concur, an extension to C style languages to support usable concurrent programming. I enjoyed his talk in spite of the job-fair atmosphere (it was also a Microsoft recruiting [...]

read the rest.
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