DMA engine for repeating communication patterns

Chen, Dong; Gara, Alan G; Giampapa, Mark E; Heidelberger, Philip; Steinmacher-Burow, Burkhard; Vranas, Pavlos

DMA engine for repeating communication patterns

Patent · Tue Sep 21 00:00:00 EDT 2010

OSTI ID:1017165

Chen, Dong ^[1]; Gara, Alan G ^[2]; Giampapa, Mark E ^[3]; Heidelberger, Philip ^[4]; Steinmacher-Burow, Burkhard ^[5]; Vranas, Pavlos ^[6]

Croton on Hudson, NY
Mount Kisco, NY
Irvington, NY
Cortlandt Manor, NY
Esslingen, DE
Danville, CA

A parallel computer system is constructed as a network of interconnected compute nodes to operate a global message-passing application for performing communications across the network. Each of the compute nodes includes one or more individual processors with memories which run local instances of the global message-passing application operating at each compute node to carry out local processing operations independent of processing operations carried out at other compute nodes. Each compute node also includes a DMA engine constructed to interact with the application via Injection FIFO Metadata describing multiple Injection FIFOs where each Injection FIFO may containing an arbitrary number of message descriptors in order to process messages with a fixed processing overhead irrespective of the number of message descriptors included in the Injection FIFO.

Research Organization:: International Business Machines Corporation (Armonk, NY)

Sponsoring Organization:: USDOE

Assignee:: International Business Machines Corporation (Armonk, NY)

Patent Number(s):: 7,802,025

Application Number:: 11/768,795

OSTI ID:: 1017165

Country of Publication:: United States

Language:: English

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