The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2017
Filed:
Sep. 08, 2015
International Business Machines Corporation, Armonk, NY (US);
Deanna P. Berger, Poughkeepsie, NY (US);
Michael F. Fee, Cold Spring, NY (US);
Christine C. Jones, Poughkeepsie, NY (US);
Arthur J. O'Neill, Poughkeepsie, NY (US);
Diana L. Orf, Somerville, MA (US);
Robert J. Sonnelitter, III, Wappingers Falls, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Various embodiments mitigate busy time in a hierarchical store-through memory cache structure including a cache directory associated with a memory cache. The cache directory is divided into a plurality of portions each associated with a portion of memory cache. A determination is made that a first subpipe of a shared cache pipeline comprises a non-store request. The shared pipeline is communicatively coupled to the plurality of portions of the cache directory. A store command is prevented from being placed in a second subpipe of the shared cache pipeline based on determining that a first subpipe of the shared cache pipeline comprises a non-store request. Simultaneous cache lookup operations are supported between the plurality of portions of the cache directory and cache write operations. Two or more store commands simultaneously processed in a shared cache pipeline communicatively coupled to the plurality of portions of the cache directory.