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:
Apr. 06, 2010
Filed:
Apr. 20, 2007
Toshikazu Ueki, Kawasaki, JP;
Takaharu Ishizuka, Kawasaki, JP;
Makoto Hataida, Kawasaki, JP;
Takashi Yamamoto, Kawasaki, JP;
Yuka Hosokawa, Kawasaki, JP;
Takeshi Owaki, Kawasaki, JP;
Daisuke Itou, Kawasaki, JP;
Toshikazu Ueki, Kawasaki, JP;
Takaharu Ishizuka, Kawasaki, JP;
Makoto Hataida, Kawasaki, JP;
Takashi Yamamoto, Kawasaki, JP;
Yuka Hosokawa, Kawasaki, JP;
Takeshi Owaki, Kawasaki, JP;
Daisuke Itou, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A multiprocessor system includes a judging unit judging whether a read command inputted to a global address crossbar is a read command to a memory on an own system board, an executing unit speculatively executing, when the judging unit judges that the read command is a read command to the memory on the own system board, the read command before global access based on an address notified from the global address crossbar, a setting unit setting for queuing data read from the memory in a data queue provided on a CPU without queuing the data in a data queue provided on the memory, and an instructing unit instructing, based on notification from the global address crossbar, the data queue provided on the CPU to discard the data or transmit the data to the CPU.