Patents by Inventor Neil M. Schaper

Neil M. Schaper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for cache line write back operation
    Patent number: 9471494
    Abstract: An apparatus and method are described for performing a cache line write back operation. For example, one embodiment of a method comprises: initiating a cache line write back operation directed to a particular linear address; determining if a dirty cache line identified by the linear address exists at any cache of a cache hierarchy comprised of a plurality of cache levels; writing back the dirty cache line to memory if the dirty cache line exists in one of the caches; and responsively maintaining or placing the dirty cache line in an exclusive state in at least a first cache of the hierarchy.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 18, 2016
    Assignee: INTEL CORPORATION
    Inventors: Rajesh M. Sankaran, Neil M. Schaper, Joseph Nuzman, Larisa Novakovsky, Yen-Cheng Liu, Gilbert Neiger, Raj K. Ramanujan
  • METHOD AND APPARATUS FOR CACHE LINE WRITE BACK OPERATION
    Publication number: 20150178202
    Abstract: An apparatus and method are described for performing a cache line write back operation. For example, one embodiment of a method comprises: initiating a cache line write back operation directed to a particular linear address; determining if a dirty cache line identified by the linear address exists at any cache of a cache hierarchy comprised of a plurality of cache levels; writing back the dirty cache line to memory if the dirty cache line exists in one of the caches; and responsively maintaining or placing the dirty cache line in an exclusive state in at least a first cache of the hierarchy.
    Type: Application
    Filed: December 20, 2013
    Publication date: June 25, 2015
    Inventors: Rajesh M. Sankaran, Neil M. Schaper, Joseph Nuzman, Larisa Novakovsky, Yen-Cheng Liu, Gilbert Neiger, Raj K. Ramanujan