Configurably prefetching head-of-queue from ring buffers

Details Configurably prefetching head-of-queue from ring buffers Configurably prefetching head-of-queue from ring buffers

2006-02-07

2006-02-07

Shin, Christopher (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C711S137000, C711S140000, C712S207000, C719S317000

Reexamination Certificate

active

06996639

ABSTRACT:
A method includes providing a prefetch cache of entries corresponding to communication rings stored in memory, the communication rings to store information passed from at least one first processing agent to at least one second processing agent. The method also includes detecting that one of the communication rings has an entry, and determining if the communication ring having an entry is to be prefetched. The method further includes prefetching information stored in the communication ring having an the entry by issuing a ring read operation that causes the information to be placed in a corresponding one of the entries in the prefetch cache.

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