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:
Sep. 07, 2010
Filed:
May. 08, 2006
Motoi Kaneko, Tokyo, JP;
Motoi Kaneko, Tokyo, JP;
Sony Computer Entertainment Inc., Tokyo, JP;
Abstract
The invention is provided to improve the information processing efficiency of a multiprocessor system. An information processing apparatuscomprises a main processorfor exercising centralized control on the entire apparatus, a graphic processorfor performing image processing operations, and a main memory. The information processing apparatusalso comprises a DMA controllerwhich controls m (m is an integer, m>1) pieces of data transfer simultaneously, a main memoryfor data intended for the particular processing is expanded first, and a group of n (n is an integer, n>m) buffersfor storing data when the data is transferred from the main memory. When a plurality of data transfers are performed simultaneously, a first buffer out of the group of buffersis set as the destination of one of the data transfers, and a second buffer is set as the destination of another data transfer.