Apparatus and method for reducing interrupt density in computer

Details Apparatus and method for reducing interrupt density in computer Apparatus and method for reducing interrupt density in computer

1997-06-26

2000-09-19

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Interrupt processing

710 48, 710262, 710263, 710264, G06F 1324

Patent

active

061227005

ABSTRACT:
A method and apparatus for reducing interrupt density in a computer system. One or more interrupt events received at a first device are stored in a memory and an interrupt is issued from the first device to a second device attached to the first device upon an occurrence of a first predefined event, wherein the second device retrieves the stored interrupt events from the memory and processes the retrieved interrupt events in response to the issued interrupt. Thereafter, an interrupt is issued for every interrupt event from the first device to the second device after the occurrence of the first predefined event until an occurrence of a second predefined event. After the occurrence of the second predefined event, the interrupt events received at a first device are again stored in the memory without issuing an interrupt from the first device to the second device. Finally, an interrupt is issued from the first device to the second device upon another occurrence of the first predefined event. These alternating steps or elements storing and not storing interrupt events continues indefinitely.

REFERENCES:
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patent: 4734882 (1988-03-01), Romagosa
patent: 5369768 (1994-11-01), Takano
patent: 5608897 (1997-03-01), Claffey-Cohen
patent: 5650933 (1997-07-01), Mazur et al.

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