Access time: Difference between revisions
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'''Access time''' is the time delay or [[Latency (engineering)|latency]] between a request to an electronic system, and the access being initiated or the requested data returned. | '''Access time''' is the time delay or [[Latency (engineering)|latency]] between a request to an electronic system, and the access being initiated or the requested data returned. | ||
In [[computer]] and [[software system]]s, it is the time interval between the point where an [[instruction (computer science)|instruction]] control unit initiates a call to retrieve [[data]] or a request to store data, and the point at which delivery of the data is completed or the storage is started. Note that in [[Distributed computing|distributed software systems]] or other systems with [[stochastic process]]es, access time or latency should be measured at the ''99th percentile''.<ref>{{Cite book |title=Understanding Distributed Systems: What every developer should know about large distributed applications |year=2021 |isbn=978-1838430207 |last1=Vitillo |first1=Roberto |publisher=Roberto Vitillo }}</ref> | In [[computer]] and [[software system]]s, it is the time interval between the point where an [[instruction (computer science)|instruction]] control unit initiates a call to retrieve [[data]] or a request to store data, and the point at which delivery of the data is completed or the storage is started. Note that in [[Distributed computing|distributed software systems]] or other systems with [[stochastic process]]es, access time or latency should be measured at the ''99th percentile''.<ref>{{Cite book |title=Understanding Distributed Systems: What every developer should know about large distributed applications |year=2021 |isbn=978-1838430207 |last1=Vitillo |first1=Roberto |publisher=Roberto Vitillo }}</ref> | ||
==See also== | ==See also== | ||
Latest revision as of 00:14, 29 June 2025
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Access time is the time delay or latency between a request to an electronic system, and the access being initiated or the requested data returned.
In computer and software systems, it is the time interval between the point where an instruction control unit initiates a call to retrieve data or a request to store data, and the point at which delivery of the data is completed or the storage is started. Note that in distributed software systems or other systems with stochastic processes, access time or latency should be measured at the 99th percentile.[1]
See also
References
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