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US 2006/0143528 A1Published application
Systems and methods for checkpointing
AssigneeStratus Technologies Bermuda Ltd.
InventorsJohn Edwards, Michael Budwey
Life of this patent
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Abstract
The invention relates to checkpointing memory. In one aspect, a processor directs a write request to a location within a first memory. The write request includes at least a data payload and an address identifying the location. An inspection module identifies the write request before it reaches the first memory, copies at least the address identifying the location, and forwards the write request to a memory agent within the first memory.
Claims40
A system for checkpointing memory, the system comprising:
- a processor configured to direct a write request to a location within a first memory, the write request comprising a data payload and an address identifying the location;
- the first memory comprising the location and a memory agent, the location configured to store the data payload and the memory agent configured to buffer the write request and to forward the data payload to the location;
- and
- an inspection module configured to identify the write request, to copy the address identifying the location, and to forward the write request to the memory agent.
1 more element
A method for checkpointing memory, the method comprising:
- directing a write request from a processor to a location within a first memory, the write request comprising a data payload and an address identifying the location;
- identifying the write request at an inspection module;
- copying the address identifying the location at the inspection module;
- forwarding the write request from the inspection module to a first memory agent within the first memory;
- and
- forwarding the data payload from the first memory agent to the location within the first memory.
3 more elements
Dependencies are inferred from the claim text.