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:
Mar. 23, 2010
Filed:
Mar. 09, 2006
Dwip N. Banerjee, Austin, TX (US);
Shouchun LI, Round Rock, TX (US);
Jeffrey P. Messing, Round Rock, TX (US);
Rashmi Narasimhan, Austin, TX (US);
Dwip N. Banerjee, Austin, TX (US);
Shouchun Li, Round Rock, TX (US);
Jeffrey P. Messing, Round Rock, TX (US);
Rashmi Narasimhan, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A memory registration abstraction layer includes decision logic for dynamic, efficient determination of memory copy versus registration. The exemplary embodiments apply to direct memory access environments. The memory registration abstraction layer also includes tracking logic for monitoring the usage history for certain ranges of memory registration requests. The registration logic chooses to copy memory or map memory based on training and observation of application behavior, taking the more efficient performance path without requiring changes to the application.