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.:

US 8516220 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 20, 2013

Filed:

May. 11, 2010
Applicants:

Shoumeng Yan, Beijing, CN;

Ying Gao, Beijing, CN;

Xiaocheng Zhou, Beijing, CN;

HU Chen, Beijing, CN;

Sai Luo, Beijing, CN;

Bratin Saha, Santa Clara, CA (US);

Inventors:

Shoumeng Yan, Beijing, CN;

Ying Gao, Beijing, CN;

Xiaocheng Zhou, Beijing, CN;

Hu Chen, Beijing, CN;

Sai Luo, Beijing, CN;

Bratin Saha, Santa Clara, CA (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2006.01); G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A page table entry dirty bit system may be utilized to record dirty information for a software distributed shared memory system. In some embodiments, this may improve performance without substantially increasing overhead because the dirty bit recording system is already available in certain processors. By providing extra bits, coherence can be obtained with respect to all the other uses of the existing page table entry dirty bits.


Find Patent Forward Citations

Yan, Shoumeng. (2013). Recording dirty information in software distributed shared memory systems (U.S. Patent No. 8516220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8516220

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