System and method of controlling mapping of data buffers for het

Details System and method of controlling mapping of data buffers for het System and method of controlling mapping of data buffers for het

1995-06-30

1998-08-25

Lall, Parshotam S.

Data processing: database and file management or data structures

Database design

Data structure types

395872, 711147, G06F 1208

Patent

active

057993149

ABSTRACT:
A computer system comprises a plurality of programs, each operating in an operating area such as a virtual machine. The programs are provided with a common data buffer for buffering data for processing by said programs. Each program also has a buffer control including at least one pointer for pointing to a buffer containing data to be processed by the program. One of the programs will initially process the data in the common data buffer and, after it is finished processing, will control the other program's buffer pointer to enable the other program to process the data in the common data buffer. By using the same buffer to contain data to be processed by both programs, the programs can avoid having to copy the data between private buffers maintained for each, which can assist in accelerating through-put by the computer system.

REFERENCES:
patent: 4491909 (1985-01-01), Shimizu
patent: 5161215 (1992-11-01), Kouda et al.
patent: 5384890 (1995-01-01), Anderson et al.
patent: 5434976 (1995-07-01), Tan et al.
patent: 5539896 (1996-07-01), Lisle
patent: 5564044 (1996-10-01), Pratt
IBM Technical Disclosure Bulletin, vol. 37, No. 2A, 1 Feb. 1994, p. 351 Copyless and Lockless Data Separation.

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