Method and system of copying memory from a source processor to a target processor by duplicating memory writes
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United States of America Patent
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Sep 15, 2009
Grant Date -
Oct 26, 2006
app pub date -
Apr 26, 2005
filing date -
Apr 26, 2005
priority date (Note) -
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Abstract
A method and system of copying memory from a source processor to a target processor by duplicating memory writes. At least some of the exemplary embodiments may be a method comprising stopping execution of a user program on a target processor (the target processor coupled to a first memory), continuing to execute a duplicate copy of the user program on a source processor (the source processor coupled to a second memory and generating writes to the second memory), duplicating memory writes of the source processor and duplicating writes by input/output adapters to create a stream of duplicate memory writes, and applying the duplicated memory writes to the first memory.
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