Runtime optimization of an application executing on a parallel computer
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United States of America Patent
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Jan 29, 2013
Grant Date -
Oct 20, 2011
app pub date -
Apr 14, 2010
filing date -
Apr 14, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Identifying a collective operation within an application executing on a parallel computer; identifying a call site of the collective operation; determining whether the collective operation is root-based; if the collective operation is not root-based: establishing a tuning session and executing the collective operation in the tuning session; if the collective operation is root-based, determining whether all compute nodes executing the application identified the collective operation at the same call site; if all compute nodes identified the collective operation at the same call site, establishing a tuning session and executing the collective operation in the tuning session; and if all compute nodes executing the application did not identify the collective operation at the same call site, executing the collective operation without establishing a tuning session.
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