https://wiki.vmssoftware.com/index.php?action=history&feed=atom&title=QUANTUM 2026-05-02T18:44:53Z Revision history for this page on the wiki MediaWiki 1.43.3 https://wiki.vmssoftware.com/index.php?title=QUANTUM&diff=1128&oldid=prev 2019-07-03T06:23:50Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 06:23, 3 July 2019</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">'''QUANTUM''' is </del>a [[System <del style="font-weight: bold; text-decoration: none;">Parameters</del>|system parameter]] <del style="font-weight: bold; text-decoration: none;">that defines the following: </del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Quantum may also refer to </ins>a [[<ins style="font-weight: bold; text-decoration: none;">QUANTUM (</ins>System <ins style="font-weight: bold; text-decoration: none;">Parameter)</ins>|system parameter]]<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Processor time: maximum amount </del>of <del style="font-weight: bold; text-decoration: none;">processor </del>time <del style="font-weight: bold; text-decoration: none;">a process can receive before control passes </del>to <del style="font-weight: bold; text-decoration: none;">another </del>process <del style="font-weight: bold; text-decoration: none;">of equal priority </del>that is <del style="font-weight: bold; text-decoration: none;">ready to compute </del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Quantum''' is the period </ins>of time <ins style="font-weight: bold; text-decoration: none;">during which the system allocated the CPU resource </ins>to <ins style="font-weight: bold; text-decoration: none;">each </ins>process that is <ins style="font-weight: bold; text-decoration: none;">not waiting for other resources.</ins></div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Balance set residency: minimum amount of service </del>a <del style="font-weight: bold; text-decoration: none;">compute- state </del>process <del style="font-weight: bold; text-decoration: none;">must receive before being swapped out to secondary storage </del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">During its quantum, </ins>a process <ins style="font-weight: bold; text-decoration: none;">can execute until any of the following events occur:</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">QUANTUM has </del>the <del style="font-weight: bold; text-decoration: none;">DYNAMIC and MAJOR attributes. On [[Alpha]] and [[Integrity]] servers</del>, <del style="font-weight: bold; text-decoration: none;">QUANTUM also has </del>the <del style="font-weight: bold; text-decoration: none;">AUTOGEN attribute</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* The process is preempted by a higher priority process.</ins></div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* The process voluntarily yields </ins>the <ins style="font-weight: bold; text-decoration: none;">CPU by requesting a wait state for some purpose (for example</ins>, <ins style="font-weight: bold; text-decoration: none;">to wait for </ins>the <ins style="font-weight: bold; text-decoration: none;">completion of a user I/O request)</ins>.</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:System Parameters]]</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* The process enters an involuntary wait state, such as when it triggers a hard page fault (one that must be satisfied by reading from disk).</ins></div></td></tr> </table>

Darya.zelenina https://wiki.vmssoftware.com/index.php?title=QUANTUM&diff=947&oldid=prev 2019-06-30T06:24:55Z

<p>Created page with &quot;&#039;&#039;&#039;QUANTUM&#039;&#039;&#039; is a <a href="/System_Parameters" title="System Parameters">system parameter</a> that defines the following: * Processor time: maximum amount of processor time a process can receive before control...&quot;</p> <p><b>New page</b></p><div>&#039;&#039;&#039;QUANTUM&#039;&#039;&#039; is a [[System Parameters|system parameter]] that defines the following: <br /> <br /> * Processor time: maximum amount of processor time a process can receive before control passes to another process of equal priority that is ready to compute <br /> * Balance set residency: minimum amount of service a compute- state process must receive before being swapped out to secondary storage <br /> <br /> QUANTUM has the DYNAMIC and MAJOR attributes. On [[Alpha]] and [[Integrity]] servers, QUANTUM also has the AUTOGEN attribute.<br /> <br /> [[Category:System Parameters]]</div>

Darya.zelenina