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

Abstract

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.

Inventors:
;
Publication Date:
Research Org.:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1183346
Patent Number(s):
9,047,150
Application Number:
13/677,507
Assignee:
International Business Machines Corporation (Armonk, NY)
DOE Contract Number:  
B554331
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING

Citation Formats

Blocksome, Michael A., and Mamidala, Amith R. Fencing data transfers in a parallel active messaging interface of a parallel computer. United States: N. p., 2015. Web.
Blocksome, Michael A., & Mamidala, Amith R. Fencing data transfers in a parallel active messaging interface of a parallel computer. United States.
Blocksome, Michael A., and Mamidala, Amith R. Tue . "Fencing data transfers in a parallel active messaging interface of a parallel computer". United States. https://www.osti.gov/servlets/purl/1183346.
@article{osti_1183346,
title = {Fencing data transfers in a parallel active messaging interface of a parallel computer},
author = {Blocksome, Michael A. and Mamidala, Amith R.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {6}
}

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