Electrical computers and digital processing systems: multicomput – Computer-to-computer data addressing
Reexamination Certificate
2011-08-09
2011-08-09
Coulter, Kenneth R (Department: 2445)
Electrical computers and digital processing systems: multicomput
Computer-to-computer data addressing
C709S213000, C711S203000, C711S202000
Reexamination Certificate
active
07996564
ABSTRACT:
A distributed data processing system executes multiple tasks within a parallel job, including a first local task on a local node and at least one task executing on a remote node, with a remote memory having real address (RA) locations mapped to one or more of the source effective addresses (EA) and destination EA of a data move operation initiated by a task executing on the local node. On initiation of the data move operation, remote asynchronous data move (RADM) logic identifies that the operation moves data to/from a first EA that is memory mapped to an RA of the remote memory. The local processor/RADM logic initiates a RADM operation that moves a copy of the data directly from/to the first remote memory by completing the RADM operation using the network interface cards (NICs) of the source and destination processing nodes, determined by accessing a data center for the node IDs of remote memory.
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Arimilli Lakshminarayana B.
Arimilli Ravi K.
Kalla Ronald N.
Rajamony Ramakrishnan
Sinharoy Balaram
Coulter Kenneth R
Dillon & Yudell LLP
International Business Machines - Corporation
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