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):
- 8838933
- Application Number:
- 13/679,042
- Assignee:
- International Business Machines Corporation (Armonk, NY)
- Patent Classifications (CPCs):
-
G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
- 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.
Blocksome, Michael A., Ratterman, Joseph D., & Smith, Brian E. Data communications in a parallel active messaging interface of a parallel computer. United States.
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.
@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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