Low latency coherency protocol for a multi-chip multiprocessor system

Methods and apparatus for reducing the amount of latency involved when accessing, by a remote device, data residing in a cache of a processor are provided. For some embodiments, virtual channels may be utilized to conduct request/response transactions between the remote device and processor that sat...

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Bibliographische Detailangaben
Hauptverfasser: KRIEGEL JON K, WOODWARD SANDRA S, BEUKEMA BRUCE L, MEJDRICH ERIC O, HOOVER RUSSELL D
Format: Patent
Sprache:eng
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Zusammenfassung:Methods and apparatus for reducing the amount of latency involved when accessing, by a remote device, data residing in a cache of a processor are provided. For some embodiments, virtual channels may be utilized to conduct request/response transactions between the remote device and processor that satisfy a set of associated coherency rules.