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CPU Usage in Loops (and some STATUS info)...

 
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Mac
Professional Member
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Joined: 08 Jul 2000
Posts: 1585
Location: Oklahoma USA

PostPosted: Tue Jul 30, 2002 5:30 pm    Post subject: CPU Usage in Loops (and some STATUS info)... Reply with quote

Thought this was kinda important...

CPU Usage
If you use a continous loop without a WAIT, CPU
usage goes to 100%.

Even a tiny WAIT ".01" drops CPU usage to almost
nothing. Check CPU usage while running this example.

STATUS Element
The help file states that only one STATUS element
may be added to dialogs. This is NOT correct.

I included multiple STATUS elements in the example
(notice that they're added from the bottom up).

Tested with Sysmon.exe (to check CPU usage),
VDS 3.5, and Windows 95.
______________________________________________________________________________________________
Code:

OPTION SCALE, 96
OPTION DECIMALSEP, "."
TITLE By Mac
DIALOG CREATE,"Test CPU Usage",-1,0,200,90
  DIALOG ADD,BUTTON,Wait,5,5,60,20
  DIALOG ADD,BUTTON,NoWait,5,70,60,20
  DIALOG ADD,BUTTON,Stop,5,135,60,20
  DIALOG ADD,STATUS,Stat1
  DIALOG ADD,STATUS,Stat2
  DIALOG ADD,STATUS,Stat3
DIALOG SHOW

:StopBUTTON
:EVLOOP
  DIALOG SET, Stat1, "Stat1 - Ready..."
  DIALOG SET, Stat2, "Stat2 - Ready..."
  DIALOG SET, Stat3, "Stat3 - Loop not running..."
  WAIT EVENT
  goto @event()

:WaitBUTTON
  DIALOG SET, Stat1, "Stat1 - Loop running using WAIT "@chr(34).01@chr(34)
  DIALOG SET, Stat2, "Stat2 - Ready..."
  DIALOG SET, Stat3, "Stat3 - Ready..."
  REPEAT
    WAIT ".01"
    %e = @event()
  UNTIL %e
  goto %e

:NoWaitBUTTON
  DIALOG SET, Stat1, "Stat1 - Ready..."
  DIALOG SET, Stat2, "Stat2 - Loop running without WAIT"
  DIALOG SET, Stat3, "Stat3 - Ready..."
  REPEAT
    %e = @event()
  UNTIL %e
  goto %e

:CLOSE
  EXIT

Cheers, Mac

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Dr. Dread
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Joined: 03 Aug 2001
Posts: 1065
Location: Copenhagen, Denmark

PostPosted: Tue Jul 30, 2002 8:28 pm    Post subject: Re: CPU Usage in Loops (and some STATUS info)... Reply with quote

Mac wrote:
Thought this was kinda important...

CPU Usage
If you use a continous loop without a WAIT, CPU
usage goes to 100%.

Even a tiny WAIT ".01" drops CPU usage to almost
nothing.


Hey Mac

Yeah, this is really important. I noticed it some months ago, and now I have WAIT commands
of various length in all my :evloop sections etc. It just did not cross my mind to put this info on
the board Embarassed


Mac wrote:

STATUS Element
The help file states that only one STATUS element
may be added to dialogs. This is NOT correct.

I included multiple STATUS elements in the example


Ahaa, this might come in handy. And yet another time this shows ya that one shouldn't always
just rely that the documentation is 100% correct - often playing around with things may bring
about interesting stuff.

Greetz
Dread

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moke
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Joined: 02 Jan 2002
Posts: 162

PostPosted: Wed Jul 31, 2002 1:13 pm    Post subject: Reply with quote

Hi Mac,
I ran into this (CPU usage) a while back and ended up with the same conclusion.
Unfortunately, I didn't notice until NT/2000 users started
complaining Embarassed . It is certainly a good piece of information.

I didn't know about the multiple status elements, pretty cool. Thanks!


moke
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Skit3000
Admin Team


Joined: 11 May 2002
Posts: 2166
Location: The Netherlands

PostPosted: Wed Jul 31, 2002 1:26 pm    Post subject: Reply with quote

You can even have a status-bar on top of the window!!!
If that isn't strange... Smile

Code:

  DIALOG CREATE,New Dialog,-1,0,240,160
  DIALOG ADD,STATUS,STATUS1,STATUS1
  DIALOG ADD,BUTTON,BUTTON1,102,56,,,BUTTON1
  DIALOG SHOW

:evloop
wait event
goto @event()
 
:button1button
dialog hide,status1
dialog show,status1
window position,New Dialog,,,240,160
goto evloop

 
:Close
exit


Looks like an gray EDITBOX... Smile
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FreezingFire
Admin Team


Joined: 23 Jun 2002
Posts: 3508

PostPosted: Wed Jul 31, 2002 1:58 pm    Post subject: Reply with quote

You can put progress bars in the status elements like in an example of a tree-list that Mac made...but I can't remember where it is...
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Mac
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Joined: 08 Jul 2000
Posts: 1585
Location: Oklahoma USA

PostPosted: Wed Jul 31, 2002 10:34 pm    Post subject: Reply with quote

Most VDS elements in the same location are "stacked" as they
are added - just add the progress bar (DIALOG ADD) after the
status bar.

If an element won't show on top of another one, try adding a
group (same size as the top element), then put the top element
in the group. Wink

Cheers, Mac Smile

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VDSug.dll does file IO, check/disable menu items,
non-VDS dlls, draw functions and more...
Free download (30k dll size) at:
http://www.vdsworld.com/download.php?id=361
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