Patent ID: 6542159
Filing Date: 2003-04-01
Classification: G09G

Abstract:
An apparatus for issuing data access instructions, the apparatus comprising:an optimizer operative to provide an access command at an output thereof in response to a request from a plurality of clients, the optimizer dynamically generating the access command based on simultaneous consideration of efficiency and need criteria of the requesting clients, such that the access command optimizes time considerations associated with the granted request; a first stage of a pipeline having an input to receive the access command and an address of a requested memory, and an output; a second stage of the pipeline having an input coupled to the output of the first stage to receive at least a portion of the address, and an output; a third stage of the pipeline having an input coupled to the output of the second stage to receive at least a portion of the address, and an output; and a first instruction issuer having a first input coupled to the output of the third stage, a second input coupled to the output of the second stage, and having an output to issue one of a first instruction and a second instruction based on values received at the first and second input.