Importance

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Abstract

Described is a system that tracks enregistered memory locations. The system receives program object code that enregisters a memory location (e.g., a set of data at a given memory address) and executes the program code using a thread. Enregistering memory locations involves using additional registers to cache frequently used memory locations while the object code is executing, these additional registers being available on an architecture on which the program executes, but generally not available on an architecture for which the object code was generated. After enregistering the memory location, the system uses a table that identifies enregistered memory locations to track the associated memory address and a thread identifier for the thread. The system checks this table during memory accesses to ensure that other threads attempting to access an enregistered memory location receive a current value for the enregistered memory location.

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First Claim