Boots – shoes – and leggings
Patent
1992-03-26
1994-11-22
Shaw, Dale M.
Boots, shoes, and leggings
395425, 395600, 364DIG2, G06F 100
Patent
active
053676378
ABSTRACT:
A self-tuning and efficient computer method is disclosed for the management of virtual storage applicable to dedicated real-time computer systems. This method interposes a layer between the application and the real-time computer system to form a two-layered structure to meet an application's request for virtual storage (i.e. buffer request). The method adds a real-time system's slower allocation (second layer) to guarantee the creation of all other buffers during one real-time period. The self-tuning first layer is checked first to satisfy a buffer request, while the untuned second layer is entered to create a buffer when the first layer fails; either the request size is not yet tuned, or the pre-allocated buffers have run out. These entrances to the second layer provide a monitoring mechanism from which a new pre-allocation definition, based on the system usage history, is derived to tune the first layer at the next initialization time. This method also monitors "storage leaks" in which buffer pre-allocations are repeatedly insufficient because some repetitive requests are unmatched by corresponding free requests.
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IBM Technical Disclosure Bulletin, vol. 15, No. 12, May 1973, pp. 3730-3733 by Anderson, et al., "Software Monitor for Performance Tuning a Virtual Memory Computer System".
Bhatia Gaurav
International Business Machines - Corporation
Kinnaman, Jr William A.
Shaw Dale M.
Wurm Mark A.
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