SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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IBM Parallel Debugger for Petascale Applications

SESSION: Debugging Tools

EVENT TYPE: Exhibitor Forum

TIME: 4:00PM - 4:30PM

Presenter(s):Steve Cooper

ROOM:WSCC 611/612

Scalability is the ultimate challenge for any tool attempting to diagnose applications running at Petascale. The tool needs to deal with a seemingly overwhelming number of execution contexts and their associated petabytes of data. The IBM Parallel Debugger uses a unique group-centric approach that focuses on the group cardinality (the number of members in a group) rather than the identity of the members. By synthesizing groups without the need to enumerate the membership, combined with the ability to reserve potentially billions of groups, the debugger can operate on a large parallel application in a highly scalable manner. New groups are formed by applying a set of conditions to existing groups. This grouping framework can be utilized by numerous problem determination strategies to isolate the defect down to a scale that can be analyzed by conventional debugging techniques.

Chair/Presenter Details:

Steve Cooper - IBM

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