System for recirculation of communication transactions in data p

Details System for recirculation of communication transactions in data p System for recirculation of communication transactions in data p

1998-09-21

2000-11-07

Follansbee, John A.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

710 20, 710 21, 710 31, 710 32, 710 36, 710 53, 710 54, 710 55, 710 56, 714 18, 714 42, 714 51, 370414, G06F 300

Patent

active

061450324

ABSTRACT:
A data recirculation apparatus for a data processing system includes at least one output buffer from which data are output onto an interconnect, a plurality of input storage areas from which data are selected for storage within the output buffer, and selection logic that selects data from the plurality of input storage areas for storage within the output buffer. In addition, the data recirculation apparatus includes buffer control logic that, in response to a determination that a particular datum has stalled in the output buffer, causes the particular datum to be removed from the output buffer and stored in one of the plurality of input storage areas. In one embodiment, the recirculated data has a dedicated input storage area.

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