System Function WA - Revision history

WikiSysop at 15:37, 16 April 2018

2018-04-16T15:37:37Z

← Older revision		Revision as of 11:37, 16 April 2018
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	I have a computer which is a quad core 64-bit machine with 4 gigabytes of memory and 750 gigabytes of disk space. Here is what Session Manager tells me I have available, in gigabytes and bytes:<br/><br/>		I have a computer which is a quad core 64-bit machine with 4 gigabytes of memory and 750 gigabytes of disk space. Here is what Session Manager tells me I have available, in gigabytes and bytes:<br/><br/>
	<~~code~~>		<apll><pre>
	~~     ~~(~~⎕wa ÷1024~~*3) ' ' ⎕WA~~<br/>~~		(⎕WA÷1024*3) ' ' ⎕WA
	6.024291992~~   ~~6468272128		6.024291992 6468272128
	</~~code~~><~~br/><br~~/>		</pre></apll>

	While it doesn't mean I can actually create a single array with 6 gigabytes of data, it will allow very large arrays to be created. Note that in some cases, it is possible to create a workspace that is too large to [[)SAVE]].		While it doesn't mean I can actually create a single array with 6 gigabytes of data, it will allow very large arrays to be created. Note that in some cases, it is possible to create a workspace that is too large to [[)SAVE]].

Paul Robinson at 00:55, 28 February 2013

2013-02-28T00:55:02Z

← Older revision		Revision as of 20:55, 27 February 2013
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	<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>		<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>

	~~Note that <apll>⎕WA</apll> is a ''[[niladic]]'' system function, you cannot assign anything to it.~~		{{SFN\|WA}}
	{{System Variables}}		{{System Variables}}

Paul Robinson at 21:49, 27 February 2013

2013-02-27T21:49:43Z

← Older revision		Revision as of 17:49, 27 February 2013
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	<h1>⎕WA - Workspace Available</h1>		<h1>⎕WA - Workspace Available</h1>
	{{~~Box3~~		{{BoxStart
	\|<apll>Z←⎕WA</apll>		\|<apll>Z←⎕WA</apll>
	\|returns the amount of workspace available to store data.		\|returns the amount of workspace available to store data.}}
	\|<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.}}		{{BoxEnd\|<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.}}
	<br />		<br />

Paul Robinson at 21:48, 27 February 2013

2013-02-27T21:48:35Z

← Older revision		Revision as of 17:48, 27 February 2013
Line 13:		Line 13:
	While it doesn't mean I can actually create a single array with 6 gigabytes of data, it will allow very large arrays to be created. Note that in some cases, it is possible to create a workspace that is too large to [[)SAVE]].		While it doesn't mean I can actually create a single array with 6 gigabytes of data, it will allow very large arrays to be created. Note that in some cases, it is possible to create a workspace that is too large to [[)SAVE]].

	~~Note that~~ <~~apll~~>~~⎕WA</apll> is a ''niladic''~~ function, ~~you cannot assign anything~~ to it.		<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>

	<p>~~The value returned by this~~ function ~~does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also~~, ~~due~~ to ~~internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage~~.~~</p>~~		Note that <apll>⎕WA</apll> is a ''[[niladic]]'' system function, you cannot assign anything to it.
	{{System Variables}}		{{System Variables}}

Paul Robinson: UPDATE EXAMPLE

2013-02-27T04:47:18Z

UPDATE EXAMPLE

← Older revision		Revision as of 00:47, 27 February 2013
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	\|<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.}}		\|<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.}}
	<br />		<br />

			I have a computer which is a quad core 64-bit machine with 4 gigabytes of memory and 750 gigabytes of disk space. Here is what Session Manager tells me I have available, in gigabytes and bytes:<br/><br/>
			<code>
			(⎕wa ÷1024*3) ' ' ⎕WA<br/>
			6.024291992   6468272128
			</code><br/><br/>
			While it doesn't mean I can actually create a single array with 6 gigabytes of data, it will allow very large arrays to be created. Note that in some cases, it is possible to create a workspace that is too large to [[)SAVE]].

	Note that <apll>⎕WA</apll> is a ''niladic'' function, you cannot assign anything to it.		Note that <apll>⎕WA</apll> is a ''niladic'' function, you cannot assign anything to it.

	<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>		<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>
	{{System Variables}}		{{System Variables}}

Paul Robinson at 12:15, 22 February 2013

2013-02-22T12:15:37Z

← Older revision		Revision as of 08:15, 22 February 2013
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	<~~table border="1" cellpadding="5" cellspacing="0" rules="none" summary=""~~>		<h1>⎕WA - Workspace Available</h1>
	<tr>		{{Box3
	~~<td>~~		\|<apll>Z←⎕WA</apll>
	~~<table border="0" cellpadding="5" cellspacing="0" summary="">~~		\|returns the amount of workspace available to store data.
	~~<tr>~~		\|<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.}}
	~~<td valign="top">~~<apll>Z←⎕WA</apll~~></td~~>
	~~<td></td>~~
	~~<td></td>~~
	~~<td>~~returns the amount of workspace available to store data.~~</td>~~
	~~</tr>~~
	~~</table>~~
	~~</td>~~
	~~</tr>~~

	~~<tr>~~
	~~<td>~~<apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.~~</td>~~
	~~</tr>~~

	~~</table>~~
	<br />		<br />
			Note that <apll>⎕WA</apll> is a ''niladic'' function, you cannot assign anything to it.

	<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>		<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>
			{{System Variables}}

WikiSysop at 14:39, 30 May 2009

2009-05-30T14:39:13Z

← Older revision		Revision as of 10:39, 30 May 2009
Line 20:		Line 20:
	<br />		<br />

	<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries.</p>		<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries. Also, due to internal allocations for various purposes, this value might vary from time to time even though there is no user-initiated change in data storage.</p>

WikiSysop: New page:

2009-05-30T14:22:11Z

New page: <table border="1" cellpadding="5" cellspacing="0" rules="none" summary=""> <tr> <td> <table border="0" cellpadding="5" cellspacing="0" summary=""> <tr> <td valign="top"><ap...

New page
<table border="1" cellpadding="5" cellspacing="0" rules="none" summary="">
<tr>
<td>
<table border="0" cellpadding="5" cellspacing="0" summary="">
<tr>
<td valign="top"><apll>Z←⎕WA</apll></td>
<td></td>
<td></td>
<td>returns the amount of workspace available to store data.</td>
</tr>
</table>
</td>
</tr>

<tr>
<td><apll>Z</apll> is an integer scalar which represents the amount in bytes of workspace available to store data.</td>
</tr>

</table>
<br />

<p>The value returned by this function does not represent the amount of contiguous memory available because memory may be fragmented by unmovable entries.</p>