Query performance data on parallel computer system having compute nodes
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United States of America Patent
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Jul 1, 2014
Grant Date -
Oct 18, 2012
app pub date -
Jun 25, 2012
filing date -
Apr 15, 2010
priority date (Note) -
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Abstract
Embodiments of the invention provide a method for querying performance counter data on a massively parallel computing system, while minimizing the costs associated with interrupting computer processors and limited memory resources. DMA descriptors may be inserted into an injection FIFO of a remote compute node in the massively parallel computing system. Upon executing the DMA operations described by the DMA descriptors, performance counter data may be transferred from the remote compute node to a destination node.
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