External memory accessing DMA request scheduling in IC of parallel processing engines according to completion notification queue occupancy level
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United States of America Patent
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Dec 1, 2009
Grant Date -
Nov 13, 2008
app pub date -
May 10, 2007
filing date -
May 10, 2007
priority date (Note) -
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Abstract
An integrated circuit comprises an external memory, a plurality of parallel connected Vector Processing Engines (VPEs), and an External Memory Unit (EMU) providing a data transfer path between the VPEs and the external memory. Each VPE contains a plurality of data processing units and a message queuing system adapted to transfer messages between the data processing units and other components of the integrated circuit.
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