One embodiment of the present invention provides a system that facilitates locked prefetch scheduling in general cyclic regions of a computer program. The system operates by first receiving a source code for the computer program and compiling the source code into intermediate code. The system then performs a trace detection on the intermediate code. Next, the system inserts prefetch instructions and corresponding locks into the intermediate code. Finally, the system generates executable code from the intermediate code, wherein a lock for a given prefetch instruction prevents subsequent prefetches from being issued until the data value returns for the given prefetch instruction.

 
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