Data processing: software development – installation – and managem – Software program development tool – Translation of code
Reexamination Certificate
1998-11-30
2001-07-31
Chaki, Kakali (Department: 2122)
Data processing: software development, installation, and managem
Software program development tool
Translation of code
Reexamination Certificate
active
06269479
ABSTRACT:
COPYRIGHT NOTICE
A portion of the disclosure of this patent document contains material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in the United States Patent & Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.
BACKGROUND
1. Field of the Invention
The present invention is directed to object-oriented programming, and more particularly, to a method and computer program product for evaluating and comparing the performance of object-oriented application programs.
2. Description of the Prior Art
Unlike programs that are executed in a batch processing mode, the flow of an object-oriented application program is determined by the way in which a user interacts with the object-oriented application program and the speed with which the application program responds to user input. It would desirable if there were a way to measure the relative performance of two object-oriented application programs. The present invention satisfies this need.
SUMMARY OF THE INVENTION
According to the present invention, a measure of the performance of an object-oriented application program is obtained by measuring, for a plurality of the user input functions of the application program for which a response is provided by the application program, an elapsed time between the initiation of the user input function and the response provided thereto by the application program. The measured elapsed times for each user input function are summed, and then an average response time is obtained for the application program by dividing that sum by the number of user input functions sampled. The average response time represents a measure of the performance of the application program. An application program developer can use this measure to compare the performance of one application program to another. In a preferred embodiment, the measure of performance of the application program is further normalized with respect to a Function Point index derived for the application program. Additionally, for application programs that operate upon a database, the measure of performance is further normalized with respect to the size of the database on which it is operating.
Additional features and advantages of the present invention will become evident hereinafter.
REFERENCES:
patent: 5345579 (1994-09-01), Hynes
patent: 5721583 (1998-02-01), Harada et al.
patent: 5835902 (1998-11-01), Jannarone
patent: 5919263 (1999-07-01), Kikinis et al.
Chaki Kakali
Rode Lise A.
Starr Mark T.
Unisys Corporation
Woodcock Washburn Kurtz Mackiewicz & Norris LLP
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