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data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Inanici%C3%B3_(inform%C3%A0tica)" title="Inanició (informàtica) – Catalan" lang="ca" hreflang="ca" data-title="Inanició (informàtica)" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Verhungern_(Informatik)" title="Verhungern (Informatik) – German" lang="de" hreflang="de" data-title="Verhungern (Informatik)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Inanici%C3%B3n_(inform%C3%A1tica)" title="Inanición (informática) – Spanish" lang="es" hreflang="es" data-title="Inanición (informática)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D8%B1%D8%B3%D9%86%DA%AF%DB%8C_%D9%85%D9%86%D8%A7%D8%A8%D8%B9" title="گرسنگی منابع – Persian" lang="fa" hreflang="fa" data-title="گرسنگی منابع" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Famine_(informatique)" title="Famine (informatique) – French" lang="fr" hreflang="fr" data-title="Famine (informatique)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B8%B0%EC%95%84_%EC%83%81%ED%83%9C" title="기아 상태 – Korean" lang="ko" hreflang="ko" data-title="기아 상태" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Starvation" title="Starvation – Italian" lang="it" hreflang="it" data-title="Starvation" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%A8%D7%A2%D7%91%D7%94_(%D7%9E%D7%93%D7%A2%D7%99_%D7%94%D7%9E%D7%97%D7%A9%D7%91)" title="הרעבה (מדעי המחשב) – Hebrew" lang="he" hreflang="he" data-title="הרעבה (מדעי המחשב)" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AA%E3%82%BD%E3%83%BC%E3%82%B9%E3%82%B9%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3" title="リソーススタベーション – Japanese" lang="ja" hreflang="ja" data-title="リソーススタベーション" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Zag%C5%82odzenie_procesu" title="Zagłodzenie procesu – Polish" lang="pl" hreflang="pl" data-title="Zagłodzenie procesu" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Inani%C3%A7%C3%A3o_(computa%C3%A7%C3%A3o)" title="Inanição (computação) – Portuguese" lang="pt" hreflang="pt" data-title="Inanição (computação)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/N%C3%A4lkiintyminen_(tietotekniikka)" title="Nälkiintyminen (tietotekniikka) – Finnish" lang="fi" hreflang="fi" data-title="Nälkiintyminen (tietotekniikka)" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Resurssv%C3%A4lt" title="Resurssvält – Swedish" lang="sv" hreflang="sv" data-title="Resurssvält" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a 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data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Starvation_(disambiguation)" class="mw-disambig" title="Starvation (disambiguation)">Starvation (disambiguation)</a>.</div> <p>In <a href="/wiki/Computer_science" title="Computer science">computer science</a>, <b>resource starvation</b> is a problem encountered in <a href="/wiki/Concurrent_computing" title="Concurrent computing">concurrent computing</a> where a <a href="/wiki/Process_(computing)" title="Process (computing)">process</a> is perpetually denied necessary <a href="/wiki/System_resource" title="System resource">resources</a> to process its work.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Starvation may be caused by errors in a scheduling or <a href="/wiki/Mutual_exclusion" title="Mutual exclusion">mutual exclusion</a> algorithm, but can also be caused by <a href="/wiki/Resource_leak" title="Resource leak">resource leaks</a>, and can be intentionally caused via a <a href="/wiki/Denial-of-service_attack" title="Denial-of-service attack">denial-of-service attack</a> such as a <a href="/wiki/Fork_bomb" title="Fork bomb">fork bomb</a>. </p><p>When starvation is impossible in a <a href="/wiki/Concurrent_algorithm" class="mw-redirect" title="Concurrent algorithm">concurrent algorithm</a>, the algorithm is called <b>starvation-free</b>, <b>lockout-freed</b><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> or said to have <b>finite bypass</b>.<sup id="cite_ref-raynal_3-0" class="reference"><a href="#cite_note-raynal-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> This property is an instance of <a href="/wiki/Safety_and_liveness_properties" title="Safety and liveness properties">liveness</a>, and is one of the two requirements for any mutual exclusion algorithm; the other being <a href="/wiki/Correctness_(computer_science)" title="Correctness (computer science)">correctness</a>. The name "finite bypass" means that any process (concurrent part) of the algorithm is bypassed at most a finite number times before being allowed access to the <a href="/wiki/Shared_resource" title="Shared resource">shared resource</a>.<sup id="cite_ref-raynal_3-1" class="reference"><a href="#cite_note-raynal-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Scheduling">Scheduling</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Starvation_(computer_science)&action=edit&section=1" title="Edit section: Scheduling"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Starvation is usually caused by an overly simplistic <a href="/wiki/Scheduling_algorithm" class="mw-redirect" title="Scheduling algorithm">scheduling algorithm</a>. For example, if a (poorly designed) <a href="/wiki/Computer_multitasking" title="Computer multitasking">multi-tasking system</a> always switches between the first two tasks while a third never gets to run, then the third task is being starved of <a href="/wiki/CPU_time" title="CPU time">CPU time</a>. The scheduling algorithm, which is part of the <a href="/wiki/Kernel_(operating_system)" title="Kernel (operating system)">kernel</a>, is supposed to allocate resources equitably; that is, the algorithm should allocate resources so that no process perpetually lacks necessary resources. </p><p>Many operating system schedulers employ the concept of process priority. A high priority process A will run before a low priority process B. If the high priority process (process A) blocks and never yields, the low priority process (B) will (in some systems) never be scheduled—it will experience starvation. If there is an even higher priority process X, which is dependent on a result from process B, then process X might never finish, even though it is the most important process in the system. This condition is called a <a href="/wiki/Priority_inversion" title="Priority inversion">priority inversion</a>. Modern scheduling algorithms normally contain code to guarantee that all processes will receive a minimum amount of each important resource (most often CPU time) in order to prevent any process from being subjected to starvation. </p><p>In computer networks, especially wireless networks, <a href="/wiki/Scheduling_algorithm" class="mw-redirect" title="Scheduling algorithm">scheduling algorithms</a> may suffer from scheduling starvation. An example is <a href="/wiki/Maximum_throughput_scheduling" title="Maximum throughput scheduling">maximum throughput scheduling</a>. </p><p>Starvation is normally caused by <a href="/wiki/Deadlock_(computer_science)" title="Deadlock (computer science)">deadlock</a> in that it causes a process to freeze. Two or more processes become deadlocked when each of them is doing nothing while waiting for a resource occupied by another program in the same set. On the other hand, a process is in starvation when it is waiting for a resource that is continuously given to other processes. Starvation-freedom is a stronger guarantee than the absence of deadlock: a mutual exclusion algorithm that must choose to allow one of two processes into a <a href="/wiki/Critical_section" title="Critical section">critical section</a> and picks one arbitrarily is deadlock-free, but not starvation-free.<sup id="cite_ref-raynal_3-2" class="reference"><a href="#cite_note-raynal-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>A possible solution to starvation is to use a scheduling algorithm with priority queue that also uses the <a href="/wiki/Aging_(scheduling)" title="Aging (scheduling)">aging</a> technique. Aging is a technique of gradually increasing the priority of processes that wait in the system for a long time.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Starvation_(computer_science)&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Dining_philosophers_problem" title="Dining philosophers problem">Dining philosophers problem</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Starvation_(computer_science)&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFTanenbaum2001" class="citation book cs1"><a href="/wiki/Andrew_Tanenbaum" class="mw-redirect" title="Andrew Tanenbaum">Tanenbaum, Andrew</a> (2001). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/modernoperatings00tane"><i>Modern Operating Systems</i></a></span>. Prentice Hall. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/modernoperatings00tane/page/184">184–185</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-13-092641-8" title="Special:BookSources/0-13-092641-8"><bdi>0-13-092641-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Modern+Operating+Systems&rft.pages=184-185&rft.pub=Prentice+Hall&rft.date=2001&rft.isbn=0-13-092641-8&rft.aulast=Tanenbaum&rft.aufirst=Andrew&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fmodernoperatings00tane&rfr_id=info%3Asid%2Fen.wikipedia.org%3AStarvation+%28computer+science%29" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFHerlihyShavit2012" class="citation book cs1"><a href="/wiki/Maurice_Herlihy" title="Maurice Herlihy">Herlihy, Maurice</a>; <a href="/wiki/Nir_Shavit" title="Nir Shavit">Shavit, Nir</a> (2012). <i>The Art of Multiprocessor Programming</i>. Elsevier. p. 24. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780123977953" title="Special:BookSources/9780123977953"><bdi>9780123977953</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Art+of+Multiprocessor+Programming&rft.pages=24&rft.pub=Elsevier&rft.date=2012&rft.isbn=9780123977953&rft.aulast=Herlihy&rft.aufirst=Maurice&rft.au=Shavit%2C+Nir&rfr_id=info%3Asid%2Fen.wikipedia.org%3AStarvation+%28computer+science%29" class="Z3988"></span></span> </li> <li id="cite_note-raynal-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-raynal_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-raynal_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-raynal_3-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRaynal2012" class="citation book cs1"><a href="/wiki/Michel_Raynal" title="Michel Raynal">Raynal, Michel</a> (2012). <i>Concurrent Programming: Algorithms, Principles, and Foundations</i>. Springer Science & Business Media. pp. <span class="nowrap">10–</span>11. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3642320279" title="Special:BookSources/978-3642320279"><bdi>978-3642320279</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Concurrent+Programming%3A+Algorithms%2C+Principles%2C+and+Foundations&rft.pages=%3Cspan+class%3D%22nowrap%22%3E10-%3C%2Fspan%3E11&rft.pub=Springer+Science+%26+Business+Media&rft.date=2012&rft.isbn=978-3642320279&rft.aulast=Raynal&rft.aufirst=Michel&rfr_id=info%3Asid%2Fen.wikipedia.org%3AStarvation+%28computer+science%29" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFGalvin2010" class="citation book cs1">Galvin, Peter (2010). <i>Operating System Concepts</i>. Wiley India Edition. p. 193. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-81-265-2051-0" title="Special:BookSources/978-81-265-2051-0"><bdi>978-81-265-2051-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Operating+System+Concepts&rft.pages=193&rft.pub=Wiley+India+Edition&rft.date=2010&rft.isbn=978-81-265-2051-0&rft.aulast=Galvin&rft.aufirst=Peter&rfr_id=info%3Asid%2Fen.wikipedia.org%3AStarvation+%28computer+science%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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href="/wiki/Earliest_deadline_first_scheduling" title="Earliest deadline first scheduling">Earliest deadline</a></li> <li><a href="/wiki/Earliest_eligible_virtual_deadline_first_scheduling" title="Earliest eligible virtual deadline first scheduling">Earliest eligible virtual deadline first</a></li> <li><a href="/wiki/Fair-share_scheduling" title="Fair-share scheduling">Fair-share</a></li> <li><a href="/wiki/Fixed-priority_pre-emptive_scheduling" title="Fixed-priority pre-emptive scheduling">Fixed-priority pre-emptive</a></li> <li><a href="/wiki/Foreground-background" title="Foreground-background">Foreground-background</a></li> <li><a href="/wiki/Gang_scheduling" title="Gang scheduling">Gang</a></li> <li><a href="/wiki/Generalized_foreground-background" title="Generalized foreground-background">Generalized foreground-background</a></li> <li><a href="/wiki/Highest_response_ratio_next" title="Highest response ratio next">Highest response ratio next</a></li> <li><a href="/wiki/Lottery_scheduling" title="Lottery scheduling">Lottery</a></li> <li><a href="/wiki/Multilevel_feedback_queue" title="Multilevel feedback queue">Multilevel feedback queue</a></li> <li><a href="/wiki/Process_Contention_Scope" class="mw-redirect" title="Process Contention Scope">Process Contention Scope</a></li> <li><a href="/wiki/Proportional_share_scheduling" title="Proportional share scheduling">Proportional share</a></li> <li><a href="/wiki/Rate-monotonic_scheduling" title="Rate-monotonic scheduling">Rate-monotonic</a></li> <li><a href="/wiki/Round-robin_scheduling" title="Round-robin scheduling">Round-robin</a></li> <li><a href="/wiki/Shortest_job_next" title="Shortest job next">Shortest job next</a></li> <li><a href="/wiki/Shortest_remaining_time" title="Shortest remaining time">Shortest remaining time</a></li> <li><a href="/wiki/Statistical_time-division_multiplexing" title="Statistical time-division multiplexing">Statistical time-division multiplexing</a></li> <li><a href="/wiki/Stride_scheduling" title="Stride scheduling">Stride</a></li> <li><a href="/wiki/Two-level_scheduling" title="Two-level scheduling">Two-level</a></li> <li><a href="/wiki/Windows_NT_processor_scheduling" title="Windows NT processor scheduling">Windows NT</a></li> <li><a href="/wiki/YDS_algorithm" title="YDS algorithm">YDS algorithm</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Linux</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Brain_Fuck_Scheduler" title="Brain Fuck Scheduler">Brain Fuck</a></li> <li><a href="/wiki/Completely_Fair_Scheduler" title="Completely Fair Scheduler">Completely Fair</a></li> <li><a href="/wiki/O(1)_scheduler" title="O(1) scheduler">O(1)</a></li> <li><a href="/wiki/O(n)_scheduler" title="O(n) scheduler">O(n)</a></li> <li><a href="/wiki/SCHED_DEADLINE" title="SCHED DEADLINE">SCHED DEADLINE</a></li> <li><a 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