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:
May. 24, 2016
Filed:
Dec. 06, 2012
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Takahisa Suzuki, Kawasaki, JP;
Koichiro Yamashita, Hachioji, JP;
Hiromasa Yamauchi, Kawasaki, JP;
Koji Kurihara, Kawasaki, JP;
Kensuke Watanabe, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A memory access controller includes a semiconductor circuit configured to classify into a first group of cores having made an exclusive access request to shared memory and a second group of cores not having made an exclusive access request to the shared memory, multiple cores capable of accessing the shared memory; detect a core having completed the exclusive access among the first group of cores; and send to a core among the first group of cores and standing by for the exclusive access, a notification of release from a standby state, when detecting a core having completed the exclusive access.