[Crib-list] SPEAKER: BEN SMITH (Harvard University) -- Computational Research in Boston Seminar - Friday, March 5, 2010 -- 12:30 PM -- Room 32-124

[Shirley Entzminger]

			COMPUTATIONAL RESEARCH in BOSTON SEMINAR

DATE:		FRIDAY, MARCH 5, 2010
TIME:		12:30 PM
LOCATION:	Building 32, Room 124  (Stata Center)

(Pizza and beverages will be provided at 12:15 PM outside Room 32-124.)


TITLE:		Computing at the Large Hadron Collider:
		Extracting physics from 40 million collisions a second


SPEAKER:	BEN SMITH  (Harvard University)


ABSTRACT:

The Large Hadron Collider (LHC), in Geneva, Switzerland, will begin high 
energy operation within the next few weeks.  While the tens of petabytes 
of data which will be produced within the first year of running will 
provide a fertile testing ground for many physical theories, recording, 
distributing, and analyzing this data will prove to be a difficult 
computational science problem.  This talk, designed for non-particle 
physicists, will provide an overview of the computational challenges faced 
by experiments at the LHC.  In particular, I will focus on the Trigger - a 
hybrid hardware/software system designed to filter data in real time from 
a collision rate of 40 MHz to a write to tape rate of 200 Hz - and the 
Grid - a software system for distributing data and jobs to the roughly 20k 
compute nodes used for analysis of LHC data at institutions and 
universities around the world.

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Massachusetts Institute of Technology
Cambridge, MA  02139

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