Method for modeling system performance

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation

Reexamination Certificate

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Details

C702S189000, C702S190000, C702S193000

Reexamination Certificate

active

11471907

ABSTRACT:
The present invention provides a method for modeling the performance of a system comprising computer software operating on computer hardware. In accordance with the present invention, system performance is modeled by fitting non-linear curves to data points for system performance parameters, such as response time and throughput, as a function of load. Data points may be measured in testing may be measured through monitoring a system operating in a production environment. While a variety of non-linear curves may be used in accordance with the present invention, a logarithmic curve may be used to model system throughput and an exponential curve may be used to model system response time. By defining a relationship between throughput and response time a distance may be calculated between the curves, and this distance may be used to determine an optimal load. Additionally, a graph displaying both throughput and response time as a function of load may be displayed to a system operator in a graphical user interface to facilitate the evaluation of system performance.

REFERENCES:
patent: 6188969 (2001-02-01), Minor
patent: 6269318 (2001-07-01), Geddes
patent: 6606671 (2003-08-01), McNamer et al.
patent: 6760684 (2004-07-01), Yang et al.
patent: 6850874 (2005-02-01), Higuerey et al.
patent: 6854049 (2005-02-01), Cofler

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