Compilation and runtime information generation and optimization

Details Compilation and runtime information generation and optimization Compilation and runtime information generation and optimization

2008-07-08

2008-07-08

Zhen, Wei (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

Reexamination Certificate

active

10797800

ABSTRACT:
To collect frequencies with which processes of a program are executed at high speed. A compiler apparatus for optimizing a program based on frequencies with which each process is executed has a loop process detection portion for detecting a repeatedly executed loop process of the program, a loop process frequency collection portion for collecting loop process frequencies with which the loop process is executed in the program, an in-loop process frequency collection portion for collecting in-loop process frequencies with which, as against times of execution of loop process, each of a plurality of in-loop processes included in the loop process is executed, an in-loop execution information generating portion for generating in-loop execution information indicating the frequencies with which each of the plurality of in-loop processes is executed in the case where the program is executed, and an optimization portion for optimizing the program based on the in-loop execution information.

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Thomas Ball, James R. Larus “Optimally Profiling Tracing Programs”.
Ball, Thomas and James R. Larus. “Efficient Path Profiling,” Proceedings of the 29th International Conference on Microarchitecture, Dec. 1996.

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