×

Fine Grained Cache Allocation

  • US 20110022773A1
  • Filed: 07/27/2009
  • Published: 01/27/2011
  • Est. Priority Date: 07/27/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method, in a data processing system, for fine grained cache allocation of a shared cache, the method comprising:

  • receiving, by a cache controller, a tag portion from an application;

    setting the tag portion for a group of cache lines in a tag array of the shared cache;

    responsive to an attempt to overwrite a given cache line within the group of cache lines, determining whether the given cache line is locked based on the tag portion; and

    overwriting, by the cache controller, the given cache line if the cache line is not locked.

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