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:
Oct. 07, 1997
Filed:
Feb. 01, 1996
Nguyen T Tran, Plymouth, MN (US);
John S Kuslak, Blaine, MN (US);
Unisys Corporation, Blue Bell, PA (US);
Abstract
A method and apparatus for efficiently requesting the instruction processor to store its state information directly to main memory storage is provided by a single instruction command. An advantage is a performance improvement over the prior art since the time-consuming tasks of transferring Local Area Network (LAN) messages and scanning the instruction processor are eliminated. An additional advantage is a savings in computer time since the System Control Facility (SCF) and Network Interface Module (NIM) are not required to store the instruction processor state information. Yet another advantage is large amounts of additional hardware are not required. The same control logic used to generate the o-cache jump-history entry is used to generate the store software instrumentation package instruction which requests the instruction processor to store its state information directly to main memory storage.