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Title: Data communications in a parallel active messaging interface of a parallel computer

Abstract

Eager send data communications in a parallel active messaging interface (`PAMI`) of a parallel computer, the PAMI composed of data communications endpoints that specify a client, a context, and a task, including receiving an eager send data communications instruction with transfer data disposed in a send buffer characterized by a read/write send buffer memory address in a read/write virtual address space of the origin endpoint; determining for the send buffer a read-only send buffer memory address in a read-only virtual address space, the read-only virtual address space shared by both the origin endpoint and the target endpoint, with all frames of physical memory mapped to pages of virtual memory in the read-only virtual address space; and communicating by the origin endpoint to the target endpoint an eager send message header that includes the read-only send buffer memory address.

Inventors:
; ;
Issue Date:
Research Org.:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1158921
Patent Number(s):
8,838,933
Application Number:
13/679,042
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., Ratterman, Joseph D., and Smith, Brian E. Data communications in a parallel active messaging interface of a parallel computer. United States: N. p., 2014. Web.
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Blocksome, Michael A., Ratterman, Joseph D., & Smith, Brian E. Data communications in a parallel active messaging interface of a parallel computer. United States.
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Blocksome, Michael A., Ratterman, Joseph D., and Smith, Brian E. Tue . "Data communications in a parallel active messaging interface of a parallel computer". United States. https://www.osti.gov/servlets/purl/1158921.
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@article{osti_1158921,
title = {Data communications in a parallel active messaging interface of a parallel computer},
author = {Blocksome, Michael A. and Ratterman, Joseph D. and Smith, Brian E.},
abstractNote = {Eager send data communications in a parallel active messaging interface (`PAMI`) of a parallel computer, the PAMI composed of data communications endpoints that specify a client, a context, and a task, including receiving an eager send data communications instruction with transfer data disposed in a send buffer characterized by a read/write send buffer memory address in a read/write virtual address space of the origin endpoint; determining for the send buffer a read-only send buffer memory address in a read-only virtual address space, the read-only virtual address space shared by both the origin endpoint and the target endpoint, with all frames of physical memory mapped to pages of virtual memory in the read-only virtual address space; and communicating by the origin endpoint to the target endpoint an eager send message header that includes the read-only send buffer memory address.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {9}
}
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