EFFICIENT RECORDING AND REPLAYING OF NON-DETERMINISTIC INSTRUCTIONS IN A VIRTUAL MACHINE AND CPU THEREFORE

EFFICIENT RECORDING AND REPLAYING OF NON-DETERMINISTIC INSTRUCTIONS IN A VIRTUAL MACHINE AND CPU THEREFORE

The output of a non-deterministic instruction is handled during record and replay in a virtual machine. An output of a non-deterministic instruction is stored to a buffer during record mode and retrieved from a buffer during replay mode without exiting to the hypervisor. At least part of the content...

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Bibliographische Detailangaben
Hauptverfasser: MALYUGIN, VYACHESLAV, V, VENKITACHALAM, GANESH, KLAIBER, ALEXANDER, WEISSMAN, BORIS, XU, MIN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:The output of a non-deterministic instruction is handled during record and replay in a virtual machine. An output of a non-deterministic instruction is stored to a buffer during record mode and retrieved from a buffer during replay mode without exiting to the hypervisor. At least part of the contents of the buffer can be stored to a log when the buffer is full during record mode, and the buffer can be replenished from a log when the buffer is empty during replay mode.