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Fencing data transfers in a parallel active messaging interface of a parallel computer

Patent ·
OSTI ID:1183346
;
Fencing data transfers in a parallel active messaging interface (`PAMI`) of a parallel computer, the PAMI including data communications endpoints, each endpoint including a specification of data communications parameters for a thread of execution on a compute node, including specifications of a client, a context, and a task; the compute nodes coupled for data communications through the PAMI and through data communications resources including at least one segment of shared random access memory; including initiating execution through the PAMI of an ordered sequence of active SEND instructions for SEND data transfers between two endpoints, effecting deterministic SEND data transfers through a segment of shared memory; and executing through the PAMI, with no FENCE accounting for SEND data transfers, an active FENCE instruction, the FENCE instruction completing execution only after completion of all SEND instructions initiated prior to execution of the FENCE instruction for SEND data transfers between the two endpoints.
Research Organization:
International Business Machines Corporation, Armonk, NY (United States)
Sponsoring Organization:
USDOE
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Number(s):
9,047,150
Application Number:
13/677,507
OSTI ID:
1183346
Country of Publication:
United States
Language:
English

References (9)

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conference May 2011
The deep computing messaging framework: generalized scalable message passing on the blue gene/P supercomputer conference January 2008

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Related Subjects

97 MATHEMATICS AND COMPUTING