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:
Aug. 13, 2002
Filed:
Jul. 15, 1999
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/730 ;
U.S. Cl.
CPC ...
G06F 1/730 ;
Abstract
A file prefetch control method including the steps of dividing a file into a plurality of partial files furnished with a partial file name each, and converting a request to access any one of the partial files using the corresponding partial file name into a request to access the entire file to which the requested partial file belongs, whereby the file as a whole is read out. When multiple files are prefetched in this manner, the throughput of a file system is enhanced, the number of access operations to a secondary memory is reduced, and the wait time for access to partial files is shortened.