Administering message acknowledgements in a parallel computer
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jul 9, 2015
app pub date -
Jan 7, 2014
filing date -
Jan 7, 2014
priority date (Note) -
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Abstract
Administering message acknowledgements in a parallel computer that includes compute nodes, with each compute node including a processor and a messaging accelerator, includes: storing in a list, by a processor of a compute node, a message descriptor describing a message and an acknowledgement request descriptor describing a request for an acknowledgement of receipt of the message; processing, by a messaging accelerator of the compute node, the list, including transmitting, to a target compute node, the message described by the message descriptor and transmitting, to the target compute node, the request described by the acknowledgement request descriptor; receiving, by the messaging accelerator from the target compute node, an acknowledgement of receipt of the message, including notifying the processor of receipt of the acknowledgement; and removing, by the processor from the list, the message descriptor and the acknowledgment request descriptor.
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