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:
Aug. 21, 2007
Filed:
Dec. 30, 2004
Scott Arthur Mcfarling, Redmond, WA (US);
Scott Arthur McFarling, Redmond, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
In one aspect, in response to each of plural page faults, a copy of a requested virtual memory page is written to a sorted set of pages in the read order of the sorted pages. A copy of a modified or new data page also can be written to the sorted set. Sorting can be limited to certain kinds of pages (e.g., data pages). Temporary data pages can be deleted from a sorted set to improve efficiency. If a previously sorted page is requested, writing the page back to the sorted set can be omitted. A sorted set of pages also can be sorted based on retirement order. In another aspect, copies of pages that are accessed or not accessed in memory within certain time windows are written in a sorted order based on phase groups.