CREDIT-BASED ARBITRATION FOR A RECONFIGURABLE DATA PROCESSOR

Abstract: a coarse-grained reconfigurable (cgr) processor comprises a first network and a second network; a plurality of agents coupled to the first network; an array of cgr units coupled together by the second network; and a tile agent coupled between the first network and the second network. the tile agent further comprises a plurality of links; a plurality of credit counters associated with respective agents of the plurality of agents; a plurality of credit-hog counters associated with respective links of the plurality of links. the tile agent further comprises an arbiter to manage access to the first network from the plurality of links based their associated credit-hog counters; wherein a credit-hog counter of the plurality of credit-hog counters changes in response to processing a request for a transaction from its associated link.

Inventor(s): Manish K. SHAH, John Philipp BAXLEY

CPC Classification: G06F8/457 ({Communication (intertask communication )})

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