×

System for using a data history table to select among multiple data prefetch algorithms

  • US 5,941,981 A
  • Filed: 11/03/1997
  • Issued: 08/24/1999
  • Est. Priority Date: 11/03/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A prefetch unit comprising:

  • a data history table coupled to receive a fetch address, wherein said data history table is configured to store a plurality of data address predictions, and wherein each of said plurality of data address predictions includes a prefetch control field identifying one of a plurality of prefetch algorithms, and wherein said data history table is configured to select one of said plurality of data address predictions in response to said fetch address; and

    a control unit coupled to said data history table, wherein said control unit is configured to initiate said one of said plurality of prefetch algorithms indicated by said prefetch control field within said one of said plurality of data address predictions.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×