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. 12, 2010
Filed:
Aug. 30, 2006
Method to provide atomic update primitives in an asymmetric heterogeneous multiprocessor environment
Michael Norman Day, Round Rock, TX (US);
Charles Ray Johns, Austin, TX (US);
James Allan Kahle, Austin, TX (US);
Peichum Peter Liu, Austin, TX (US);
Thuong Quang Truong, Austin, TX (US);
Michael Norman Day, Round Rock, TX (US);
Charles Ray Johns, Austin, TX (US);
James Allan Kahle, Austin, TX (US);
Peichum Peter Liu, Austin, TX (US);
Thuong Quang Truong, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention provides for atomic update primitives in an asymmetric single-chip heterogeneous multiprocessor computer system having a shared memory with DMA transfers. At least one lock line command is generated from a set comprising a get lock line command with reservation, a put lock line conditional command, and a put lock line unconditional command.