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SYMMETRIC MULTI-PROCESSOR OPERATING SYSTEM FOR ASYMMETRIC MULTI-PROCESSOR ARCHITECTURE
SYMMETRIC MULTI-PROCESSOR OPERATING SYSTEM FOR ASYMMETRIC MULTI-PROCESSOR ARCHITECTURE
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机译:非对称多处理器体系结构的对称多处理器操作系统
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摘要
A method and system for supporting multi-processing within an asymmetric processor architecture in which processors support different processor specific functionality. Instruction sets within processors having different functionalities are modified so that a portion of the functionality of these processors overlaps within a common set of instructions. Code generation for the multi-processor system (e.g., compiler, assembler, and/or linker) is performed in a manner to allow the binary code to be generated for execution on these diverse processors, and the execution of generic tasks, using the shared instructions, on any of the processors within the multiple processors. Processor specific tasks are only executed by the processors having the associated processor specific functionality. Source code directives are exemplified for aiding the compiler or assembler in properly creating binary code for the diverse processors. The invention can reduce processor computation requirements, reduce software latency, and increase system responsiveness.
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