Method and system for concurrent computer transaction processing

Details Method and system for concurrent computer transaction processing Method and system for concurrent computer transaction processing

1998-04-24

1999-11-02

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Intrasystem connection

710107, 710102, 710112, G06F 1336

Patent

active

059788720

ABSTRACT:
A computer system and method concurrently process transactions directed to computer devices coupled to a bus agent. The method transmits first and second transaction requests from one or more computer processors across a computer bus to the bus agent. The bus agent transmits the first transaction request to a first computer device coupled to the bus agent. In addition, the bus agent transmits the second transaction request to a second computer device before the bus agent has received a transaction response to the first transaction request from the first computer device, thereby concurrently processing the transaction requests. The bus agent includes plural device managers each uniquely associated with one of the computer devices. Each device manager employs a queue pointer into a transaction queue to track each transaction involving the computer device associated with the device. manager.

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Shanley and Anderson, PCI System Architecture, 3rd ed., Addison-Wesley Publishing Company, Reading, MA, 1995, Chap. 8, "The Read and Write Transfers," pp. 129-161.
Shanley and Anderson, ISA System Architecture, 3rd ed., Addison-Wesley Publishing Company, Reading, MA, 1995, Chap. 16, "ISA Bus Structure," pp. 335-350; Chap. 17, "Types of ISA Bus Cycles," pp. 351-364.

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