Package: usl 3.0.4

Stefan Moeding

usl: Analyze System Scalability with the Universal Scalability Law

The Universal Scalability Law (Gunther 2007) <doi:10.1007/978-3-540-31010-5> is a model to predict hardware and software scalability. It uses system capacity as a function of load to forecast the scalability for the system.

Authors:Neil J. Gunther [aut], Stefan Moeding [aut, cre]

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manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
usl/json (API)

# Install 'usl' in R:

install.packages('usl', repos = c('https://smoeding.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/smoeding/usl/issues

Datasets:

oracledb - Performance of an Oracle database used for online transaction processing
raytracer - Performance of a ray-tracing software on different hardware configurations
specsdm91 - Performanced of a Sun SPARCcenter 2000 in the SPEC SDM91 benchmark

On CRAN:

scalability universal-scalability-law usl

6.68 score 36 stars 133 scripts 222 downloads 14 exports 2 dependencies

Last updated from:4a05e8ee6f. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	106
source / vignettes	OK	204
linux-release-x86_64	OK	104
macos-release-arm64	OK	145
macos-oldrel-arm64	OK	163
windows-devel	OK	81
windows-release	OK	72
windows-oldrel	OK	74
wasm-release	OK	108

Exports:confint efficiency limit.scalability optimal.scalability overhead peak.scalability plot predict print scalability show sigma summary usl

Dependencies:digest nlsr

Using the USL Package to Analyze System Scalability

Version | Introduction | Background | Examples of Scalability Analysis | References

Rendered fromusl.Rnwusingknitr::knitr

Last update: 2022-08-21
Started: 2013-02-14

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Analyze system scalability with the Universal Scalability Law	usl-package
Confidence Intervals for USL model parameters	confint,USL-method
Efficiency of the system	efficiency efficiency,USL-method
Scalability limit of a USL model	limit.scalability limit.scalability,USL-method
Point of optimal scalability of a USL model	optimal.scalability optimal.scalability,USL-method
Performance of an Oracle database used for online transaction processing	oracledb
Overhead method for Universal Scalability Law models	overhead overhead,USL-method
Point of peak scalability of a USL model	peak.scalability peak.scalability,USL-method
Plot the scalability function from a USL model	plot,USL-method
Predict method for Universal Scalability Law models	predict,USL-method
Print objects of class "'USL'"	print,USL-method
Performance of a ray-tracing software on different hardware configurations	raytracer
Scalability function of a USL model	scalability scalability,USL-method
Show objects of class "'USL'"	show,USL-method
Extract Residual Standard Deviation 'Sigma'	sigma,USL-method
Performanced of a Sun SPARCcenter 2000 in the SPEC SDM91 benchmark	specsdm91
USL Object Summary	summary,USL-method
Create a model for the Universal Scalability Law	usl
Class "'USL'" for Universal Scalability Law models	USL-class