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:
Jul. 23, 2002
Filed:
Jan. 05, 1999
Farnaz Mounes-Toussi, Minneapolis, MN (US);
Donald Lee Freerksen, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A data processing system, circuit arrangement, and method rely on state information to prioritize certain transactions relative to other transactions when scheduling transactions in a data processing system. In one implementation, as a result of the recognition that in many shared memory systems cached data having a modified state is accessed more frequently than cached data having a non-modified state, transactions associated with modified cached data are prioritized relative to transactions associated with non-modified cached data, thereby reducing the latency of such modified transactions. Any concurrent increase in latency for non-modified transactions is more than offset by the decreased latency of modified transactions, resulting in an overall reduction in system latency.
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