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:
Jan. 31, 1995
Filed:
Jul. 28, 1993
Randolph G Young, Simpsonville, SC (US);
James L Bradshaw, Central, SC (US);
Bobby W Batchler, Easley, SC (US);
Barry C Sudduth, Clemson, SC (US);
Craig A Walrath, Easley, SC (US);
NCR Corporation, Dayton, OH (US);
Abstract
A method of transferring data words that include data bytes within a computer having a main memory, a processor and a cache memory, with the processor being able to cause data words to be transferred in a burst mode from the cache memory to the main memory in one of a plurality of predetermined sequences, includes the following steps: (1) determining which data words of a group of data words located in the cache memory include data bytes which have been modified, (2) selecting one sequence of data words of the plurality of predetermined sequences of data words which includes (a) all of the data words of the group of data words that include data bytes which have been modified, and (b) a minimum number of data words of the group of data words that include no data bytes which have been modified, and (3) causing the one sequence of data words selected in the selecting step to be transferred in the burst mode from the cache memory to the main memory.