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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
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DTSTART:20111116T000000Z
DTEND:20111116T003000Z
LOCATION:WSCC 611/612
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: 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.
SUMMARY:IBM Parallel Debugger for Petascale Applications
PRIORITY:3
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