Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output command process
Reexamination Certificate
2008-08-05
2010-12-07
Chen, Alan (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output command process
C710S032000, C710S036000, C712S220000
Reexamination Certificate
active
07849230
ABSTRACT:
A request control apparatus and a request control method are configured such that when an A type request that is an overtaking acceptable request allowed to overtake and to be overtaken among the other requests is turned to a retry matter on a pipeline, a request-order control unit performs an information renewal such that the A type request is rearranged to a place immediately preceding a B type request that is an overtaking inhibited request inhibited to overtake or to be overtaken among the other requests, and a request fetching unit fetches requests from ports by using the information renewed by the request-order control unit. Moreover, the request-order control unit is configured to perform request order control per request source.
REFERENCES:
patent: 6681270 (2004-01-01), Agarwala et al.
patent: 2003/0056034 (2003-03-01), Olds et al.
patent: 03-025558 (1991-02-01), None
patent: 5-120195 (1993-05-01), None
patent: 2001-217894 (2001-08-01), None
International Search Report issued in PCT/JP2006/303683.
Ishimura Naoya
Kojima Hiroyuki
Chen Alan
Fujitsu Limited
Staas & Halsey , LLP
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