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I/O routing in a multidimensional torus network

Patent ·
OSTI ID:1637817
; ;
A method, system and computer program product are disclosed for routing data packet in a computing system comprising a multidimensional torus compute node network including a multitude of compute nodes, and an I/O node network including a plurality of I/O nodes. In one embodiment, the method comprises assigning to each of the data packets a destination address identifying one of the compute nodes; providing each of the data packets with a toio value; routing the data packets through the compute node network to the destination addresses of the data packets; and when each of the data packets reaches the destination address assigned to said each data packet, routing said each data packet to one of the I/O nodes if the toio value of said each data packet is a specified value. In one embodiment, each of the data packets is also provided with an ioreturn value used to route the data packets through the compute node network.
Research Organization:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Organization:
USDOE
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Number(s):
10,601,697
Application Number:
16/404,114
OSTI ID:
1637817
Country of Publication:
United States
Language:
English

References (3)

A general theory for deadlock-free adaptive routing using a mixed set of resources journal January 2001
Blue Gene/L torus interconnection network journal March 2005
Deadlock-Free Message Routing in Multiprocessor Interconnection Networks journal May 1987

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Related Subjects

97 MATHEMATICS AND COMPUTING