Parallel computer system with physically separate tree networks for data and control messages
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United States of America Patent
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-
Dec 31, 1996
Issued Date -
N/A
app pub date -
Jan 27, 1995
filing date -
Oct 3, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A digital computer comprises a plurality of processing elements, a communications router, and a control network. Each processing element performs data processing operations in connection with commands, at least some of the processing elements performing the data processing operations in connection with the commands in messages they receive over the control network. Each processing element also generates and receives data transfer messages, each including an address portion containing an address, for transfer to another processing element as identified by the address. At least one of the processing elements further generates the control network messages for transfer over the communications router. The communications router comprises router nodes interconnected in the form of a 'fat-tree,' and the control network comprises control network nodes interconnected in the form of a tree, with the processing elements being connected at the leaf nodes of the respective communications router and control network.
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