IOSLICE parameter - Revision history

JAL: minor cleanup

2016-05-27T21:18:05Z

minor cleanup

← Older revision		Revision as of 21:18, 27 May 2016
Line 13:		Line 13:
	<dd><var class="product">Model 204 V6.1</var> or earlier		<dd><var class="product">Model 204 V6.1</var> or earlier
	</dl>		</dl>

	==Description==		==Description==
	<p>The CPU time slice allotment, in milliseconds, for non-CPU-bound users</p>		<p>
	<p>This parameter determines which requests are considered CPU-bound. A user request is considered IO-bound unless IOSLICE milliseconds pass without the request voluntarily yielding the CPU. After IOSLICE milliseconds of CPU have been consumed, the user is considered CPU-bound. From this point, if <var>[[CPUSLICE_parameter\|CPUSLICE]]</var> milliseconds expire without yielding the CPU, the user is time sliced (forced to yield the CPU to the user with the next highest priority). </p>		The CPU time slice allotment, in milliseconds, for non-CPU-bound users</p>
	<p>A user voluntarily yields the CPU by any of the following actions: </p>		<p>
			This parameter determines which requests are considered CPU-bound. A user request is considered IO-bound unless <var>IOSLICE</var> milliseconds pass without the request voluntarily yielding the CPU. After <var>IOSLICE</var> milliseconds of CPU have been consumed, the user is considered CPU-bound. From this point, if <var>[[CPUSLICE_parameter\|CPUSLICE]]</var> milliseconds expire without yielding the CPU, the user is time sliced (forced to yield the CPU to the user with the next highest priority). </p>
			<p>
			A user voluntarily yields the CPU by any of the following actions: </p>
	<ul>		<ul>
	<li>		<li>
	Executing a <var>[[Full-~~screen_feature~~#~~READ_SCREEN_statement~~\|READ SCREEN]]</var>, <var>[[Full-~~screen_feature~~#~~READ_MENU_statement~~\|READ MENU]]</var>, or <var>[[$~~READ\|$READ~~]]</var> statement</li>		Executing a <var>[[Full-screen feature#READ SCREEN statement\|READ SCREEN]]</var>, <var>[[Full-screen feature#READ MENU statement\|READ MENU]]</var>, or <var>[[$Read]]</var> statement</li>
	<li>		<li>
	Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>		Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>
Line 25:		Line 29:
	Going into a wait for a record or resource lock</li>		Going into a wait for a record or resource lock</li>
	</ul>		</ul>
	<p>Decreasing IOSLICE causes more requests to be considered CPU-bound, and increasing it causes fewer requests to be classed as CPU-bound.</p>		<p>
	<p>Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>		Decreasing <var>IOSLICE</var> causes more requests to be considered CPU-bound, and increasing it causes fewer requests to be classed as CPU-bound.</p>
	<p>~~See the following section for~~ more information about ~~<var>~~[[~~Controlling_system_operations_~~(CCAIN)#~~Dynamic_dispatching~~\|dynamic dispatching]]~~</var>~~. </p>		<p>
			Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>
			<p>
			For more information about CPU access, see [[Controlling system operations (CCAIN)#Dynamic dispatching\|dynamic dispatching]]. </p>

	[[Category:Scheduler parameters]]		[[Category:Scheduler parameters]]
	[[Category:System parameters]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

DCameron: /* Description */

2014-10-28T15:17:19Z

Description

← Older revision		Revision as of 15:17, 28 October 2014
Line 27:		Line 27:
	<p>Decreasing IOSLICE causes more requests to be considered CPU-bound, and increasing it causes fewer requests to be classed as CPU-bound.</p>		<p>Decreasing IOSLICE causes more requests to be considered CPU-bound, and increasing it causes fewer requests to be classed as CPU-bound.</p>
	<p>Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>		<p>Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>
	<p>~~For~~ more information about <~~var class="product">Model 204</~~var> dynamic dispatching~~, see the <var>Model 204 System Manager's Guide~~</var>. </p>		<p>See the following section for more information about <var>[[Controlling_system_operations_(CCAIN)#Dynamic_dispatching\|dynamic dispatching]]</var>. </p>
	[[Category:Scheduler parameters]]		[[Category:Scheduler parameters]]
	[[Category:System parameters]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

DCameron: /* Description */

2014-10-28T15:13:08Z

Description

← Older revision		Revision as of 15:13, 28 October 2014
Line 19:		Line 19:
	<ul>		<ul>
	<li>		<li>
	Executing a READ SCREEN, READ MENU, or <var>[[$READ\|$READ]]</var> statement</li>		Executing a <var>[[Full-screen_feature#READ_SCREEN_statement\|READ SCREEN]]</var>, <var>[[Full-screen_feature#READ_MENU_statement\|READ MENU]]</var>, or <var>[[$READ\|$READ]]</var> statement</li>
	<li>		<li>
	Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>		Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>

DCameron: /* Description */

2014-10-28T15:10:12Z

Description

← Older revision		Revision as of 15:10, 28 October 2014
Line 19:		Line 19:
	<ul>		<ul>
	<li>		<li>
	Executing a READ SCREEN, READ MENU, or $READ statement</li>		Executing a READ SCREEN, READ MENU, or <var>[[$READ\|$READ]]</var> statement</li>
	<li>		<li>
	Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>		Requesting I/O to a <var class="product">Model 204</var> file or external sequential file</li>

DCameron: /* Description */

2014-10-28T15:09:34Z

Description

← Older revision		Revision as of 15:09, 28 October 2014
Line 15:		Line 15:
	==Description==		==Description==
	<p>The CPU time slice allotment, in milliseconds, for non-CPU-bound users</p>		<p>The CPU time slice allotment, in milliseconds, for non-CPU-bound users</p>
	<p>This parameter determines which requests are considered CPU-bound. A user request is considered IO-bound unless IOSLICE milliseconds pass without the request voluntarily yielding the CPU. After IOSLICE milliseconds, the user is considered CPU-bound. From this point, if CPUSLICE milliseconds expire without yielding the CPU, the user is time sliced (forced to yield the CPU to the user with the next highest priority). </p>		<p>This parameter determines which requests are considered CPU-bound. A user request is considered IO-bound unless IOSLICE milliseconds pass without the request voluntarily yielding the CPU. After IOSLICE milliseconds of CPU have been consumed, the user is considered CPU-bound. From this point, if <var>[[CPUSLICE_parameter\|CPUSLICE]]</var> milliseconds expire without yielding the CPU, the user is time sliced (forced to yield the CPU to the user with the next highest priority). </p>
	<p>A user voluntarily yields the CPU by any of the following actions: </p>		<p>A user voluntarily yields the CPU by any of the following actions: </p>
	<ul>		<ul>

DmeWiccan: Automatically generated page update

2013-08-27T16:37:12Z

Automatically generated page update

← Older revision		Revision as of 16:37, 27 August 2013
Line 1:		Line 1:
			{{Template:IOSLICE parameter subtitle}}
	==Summary==		==Summary==
	<dl>		<dl>

DmeWiccan: Automatically generated page update

2013-04-23T01:51:00Z

Automatically generated page update

← Older revision		Revision as of 01:51, 23 April 2013
Line 28:		Line 28:
	<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>		<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>
	[[Category:Scheduler parameters]]		[[Category:Scheduler parameters]]
	[[Category: System ~~Parameters~~]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

Dme: Undo revision 56801 by DmeWiccan (talk)

2013-04-19T15:49:49Z

Undo revision 56801 by DmeWiccan (talk)

← Older revision		Revision as of 15:49, 19 April 2013
Line 28:		Line 28:
	<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>		<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>
	[[Category:Scheduler parameters]]		[[Category:Scheduler parameters]]
	[[Category:System ~~parameters~~]]		[[Category: System Parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

DmeWiccan: Automatically generated page update

2013-04-19T14:14:24Z

Automatically generated page update

← Older revision		Revision as of 14:14, 19 April 2013
Line 28:		Line 28:
	<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>		<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>
	[[Category:Scheduler parameters]]		[[Category:Scheduler parameters]]
	[[Category: System ~~Parameters~~]]		[[Category:System parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]

DmeWiccan: Automatically generated page update

2013-04-19T14:12:22Z

Automatically generated page update

← Older revision		Revision as of 14:12, 19 April 2013
Line 27:		Line 27:
	<p>Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>		<p>Increasing this parameter diminishes the impact of dynamic dispatching, thus allowing CPU-bound requests to monopolize the CPU. Decreasing this parameter heightens the effect of dynamic dispatching, resulting in increased scheduler overhead. </p>
	<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>		<p>For more information about <var class="product">Model 204</var> dynamic dispatching, see the <var>Model 204 System Manager's Guide</var>. </p>
	[[Category: Scheduler ~~Parameters~~]]		[[Category:Scheduler parameters]]
	[[Category: System Parameters]]		[[Category: System Parameters]]
	[[Category:Parameters]]		[[Category:Parameters]]