Method for optimizing source program including variables necessa

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364DIG1, 3642805, 364271, G06F 945

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053353510

ABSTRACT:
In optimization processing performed by a compiler to execute a source program described in a high level language on the environment of a multiprocessor system, a judgment is made at the time of compiling as to whether or not there is any objective equation over an executable statement for synchronous/exclusive control. When a decision is made in this judgment that there is the objective equation over executable statement for synchronous/exclusive control, data flow analysis is performed on variables necessary for synchronous/exclusive control, thereby making a judgment as to whether the objective equation for optimization includes at least one variable necessary for synchronous/exclusive control. When the objective equation includes no variable necessary for synchronous/exclusive control, optimization processing is performed over the executable statement for synchronous/exclusive control.

REFERENCES:
patent: 4802091 (1989-01-01), Cocke et al.
patent: 4843545 (1989-06-01), Kikuchi
patent: 5146594 (1992-09-01), Iitsuka
"PCF Fortran Language Definition", The Parallel Computing Forum, 1988, pp. 23-30.

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