About: Performance tuning

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Performance tuning is the improvement of system performance. Typically in computer systems, the motivation for such activity is called a performance problem, which can be either real or anticipated. Most systems will respond to increased load with some degree of decreasing performance. A system's ability to accept higher load is called scalability, and modifying a system to handle a higher load is synonymous to performance tuning. Systematic tuning follows these steps: This is an instance of the measure-evaluate-improve-learn cycle from quality assurance.

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rdf:type	company
rdfs:label	Performance tuning (en)
rdfs:comment	Performance tuning is the improvement of system performance. Typically in computer systems, the motivation for such activity is called a performance problem, which can be either real or anticipated. Most systems will respond to increased load with some degree of decreasing performance. A system's ability to accept higher load is called scalability, and modifying a system to handle a higher load is synonymous to performance tuning. Systematic tuning follows these steps: This is an instance of the measure-evaluate-improve-learn cycle from quality assurance. (en)
dct:subject	Computer hardware tuning Network performance
Wikipage page ID	225801 (xsd:integer)
Wikipage revision ID	1047374182 (xsd:integer)
Link from a Wikipage to another Wikipage	Quicksort Optimization (computer science) Optimization (mathematics) Efficiency Bottleneck (software) Objective function Load (computing) Load balancing (computing) Cache (computing) Computer cluster Computer performance Quality assurance Parallel computing Performance Application Programming Interface Performance engineering Business processes CPU cache Adaptive control Distributed computing Locality of reference ASP.NET Error Profiling (computer programming) Computer hardware tuning Network performance System Use cases Selection sort Non-functional requirements Non-linear Scalability
Link from a Wikipage to an external page	http://redmondmag.com/Articles/2009/11/01/Clouds-Done-Right.aspx http://msdn.microsoft.com/en-us/magazine/ff714590.aspx https://technet.microsoft.com/en-us/magazine/2009.08.iiscache.aspx https://technet.microsoft.com/en-us/magazine/ff847521.aspx
sameAs	Performance tuning Performance tuning Performance tuning
dbp:wikiPageUsesTemplate	dbt:Citation_needed dbt:Main_article dbt:Refimprove dbt:Reflist
has abstract	Performance tuning is the improvement of system performance. Typically in computer systems, the motivation for such activity is called a performance problem, which can be either real or anticipated. Most systems will respond to increased load with some degree of decreasing performance. A system's ability to accept higher load is called scalability, and modifying a system to handle a higher load is synonymous to performance tuning. Systematic tuning follows these steps: 1. * Assess the problem and establish numeric values that categorize acceptable behavior. 2. * Measure the performance of the system before modification. 3. * Identify the part of the system that is critical for improving the performance. This is called the bottleneck. 4. * Modify that part of the system to remove the bottleneck. 5. * Measure the performance of the system after modification. 6. * If the modification makes the performance better, adopt it. If the modification makes the performance worse, put it back the way it was. This is an instance of the measure-evaluate-improve-learn cycle from quality assurance. A performance problem may be identified by slow or unresponsive systems. This usually occurs because high system loading, causing some part of the system to reach a limit in its ability to respond. This limit within the system is referred to as a bottleneck. A handful of techniques are used to improve performance. Among them are code optimization, load balancing, caching strategy, distributed computing and self-tuning. (en)
gold:hypernym	Improvement
prov:wasDerivedFrom	wikipedia-en:Performance_tuning?oldid=1047374182&ns=0
page length (characters) of wiki page	7763 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Performance_tuning
is Link from a Wikipage to another Wikipage of	Big CC Racing Interactive skeleton-driven simulation System administrator CriticalBlue Cache-oblivious algorithm Shot grouping Computational physics Computer Measurement Group Computer simulation Empirical algorithmics Hardware performance counter Performance (disambiguation) Performance engineering Pocket Bicycles Bruce Jackson (audio engineer) CTuning foundation Windows software trace preprocessor Norton 360 Norton Security Handle leak Profiling (computer programming) Relational model Tuning BIRCH Space mapping Midpoint circle algorithm Oracle LogMiner Capacity management Second Intention Servo drive Simulation Variable shunt reactor Extreme programming Thread pool Scalability
is Wikipage disambiguates of	Performance (disambiguation) Tuning
is services of	Big CC Racing CriticalBlue
is service of	Big CC Racing CriticalBlue
is foaf:primaryTopic of	wikipedia-en:Performance_tuning

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