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.

Date of Patent:
Jan. 15, 2013

Filed:

Oct. 28, 2009
Applicant:

Satoshi Hieda, Tokyo, JP;

Inventor:

Satoshi Hieda, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/60 (2006.01); G06F 17/10 (2006.01); G06F 9/455 (2006.01); G06F 9/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

A CPU emulation system includes; a plurality of virtual CPUs each operating on a different physical CPU; an instruction sequence selecting section for selecting an instruction sequence to be optimized; a virtual CPU selecting section for selecting one of the plurality of virtual CPUs, which is to perform optimization processing of the selected instruction sequence, based on usage rates of the plurality of virtual CPUs; and an optimization level selecting section for determining an optimization level of the optimization processing that is to be executed by the selected one of the plurality of virtual CPUs, and giving a direction to perform the optimization processing to the selected one of the plurality of virtual CPUs.


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