Mechanism to emulate user-level multithreading on an OS-sequestered sequencer

US7810083B2 · kind B2 · utility

Assignee

• Intel Corporation · US

Inventors

• Gautham Chinya · Hillsboro, US
• Hong Wang · Santa Clara, US
• Xiang Zou · Beaverton, US
• James P. Held · Portland, US
• Prashant Sethi · Folsom, US
• Trung Diep · San Jose, US
• Anil Aggarwal · Portland, US
• Baiju V. Patel · Portland, US
• Shiv Kaushik · Portland, US
• Bryant Bigbee · Scottsdale, US
• John Shen · Tainan, TW
• Richard Hankins · San Jose, US
• John L. Reid · Portland, US

Key dates

• Filing date: Dec 30, 2004
• Grant date: Oct 5, 2010
• Expiry date: May 4, 2028

Classification

• Technology area (CPC G): Physics
• CPC primary: G06F9/4881
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

Method, apparatus and system embodiments to provide user-level creation, control and synchronization of OS-invisible “shreds” of execution via an abstraction layer for a system that includes one or more sequencers that are sequestered from operating system control. For at least one embodiment, the abstraction layer provides sequestration logic, proxy execution logic, transition detection and shred suspension logic, and sequencer arithmetic logic. Other embodiments are also described and claimed.