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:
Dec. 06, 2016
Filed:
Jul. 18, 2013
International Business Machines Corporation, Armonk, NY (US);
Norio Fujita, Shiga-Ken, JP;
Masahiro Hori, Shiga-ken, JP;
Masahiro Murakami, Kyoto, JP;
Junka Okazawa, Kytoo, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention provides a computer system including a CPU with an L2 cache, a bus master device and a bus slave device. They are connected via a system bus to communicate with each other. The computer systemincludes: a transaction monitorfor monitoring first transaction states TrC-TrCn between a CPUand an L2 cache, and second transaction states from TrBto TrBn between a system busand the L2 cache, between the system busand a bus master deviceor between the system busand bus slave devices; and a clock generatorable to change the frequency FreqC-FreqSof the clock of the CPU, the system bus, and the bus slave devicesaccording to the first transaction and second transaction states received from the transaction monitor