Patent · US Active

Management of multipurpose command queues in a multilevel cache hierarchy

US8566532B2 · kind B2 · utility

3Cited by

5References

18Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Deanna Postles Dunn Berger · Poughkeepsie, US
Garrett M. Drapala · Poughkeepsie, US
Michael Fee · Cold Spring, US
Robert J. Sonnelitter, III · Wappingers Falls, US

Key dates

Filing date	Jun 23, 2010
Grant date	Oct 22, 2013
Priority date	—
Expiry date	Oct 16, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F12/0855
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An apparatus for controlling access to a pipeline includes a plurality of command queues including a first subset of the plurality of command queues being assigned processes the commands of first command type, a second subset of the plurality of command queues being assigned to process commands of the second command type, and a third subset of the plurality of the command queues not being assigned to either the first subset or the second subset. The apparatus also includes an input controller configured to receive requests having the first command type and the second command type and assign requests having the first command type to command queues in the first subset until all command queues in the first subset are filled and then assign requests having the first command type to command queues in the third subset.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.