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. 03, 2006
Filed:
Jun. 12, 2003
Gail A. Alverson, Seattle, WA (US);
Charles David Callahan, Ii, Seattle, WA (US);
Simon H. Kahan, Seattle, WA (US);
Brian D. Koblenz, Seattle, WA (US);
Allan Porterfield, Bellevue, WA (US);
Burton J. Smith, Seattle, WA (US);
Gail A. Alverson, Seattle, WA (US);
Charles David Callahan, II, Seattle, WA (US);
Simon H. Kahan, Seattle, WA (US);
Brian D. Koblenz, Seattle, WA (US);
Allan Porterfield, Bellevue, WA (US);
Burton J. Smith, Seattle, WA (US);
Cray Inc., Seattle, WA (US);
Abstract
Various techniques for manipulating data using access states of memory, access control fields of pointers and operations, and exception raising and exception trapping in a multithreaded computer system. In particular, the techniques include synchronization support for a thread blocked in a word, demand evaluation of values, parallel access of multiple threads to a list, synchronized and unsynchronized access to a data buffer, use of forwarding to avoid checking for an end of a buffer, use of sentinel word to detect access past a data structure, concurrent access to a word of memory using different synchronization access modes, and use of trapping to detect access to restricted memory.