Graphic speed comparison between webLets and desktop stacks

[BNig]

Jim,

one funny thing I noticed on the mac: if in your repeat loop you set the
wait to 0 millisecs on the slider the time goes down from 1500 millisecs to
630 millisecs, you can replace the wait with a "unlock screen" and you have
again around 630 millisecs. As soon as you wait even 1 millisecond you go up
to 1500 again. So there is more going on on the Mac then meets the eye. 
By contrast I did not manage to speed up the send in time handler, maybe
someone has an idea.

regards
Bernd


James Hurley wrote:
> 
>>
>> Message: 10
>> Date: Wed, 9 Sep 2009 14:54:01 -0700 (PDT)
>> From: SparkOut <SparkOutYNY at gmail.com>
>> Subject: Re: Graphic speed comparison between webLets and desktop
>> 	stacks
>> To: use-revolution at lists.runrev.com
>> Message-ID: <25373791.post at talk.nabble.com>
>> Content-Type: text/plain; charset=us-ascii
>>
>> James Hurley wrote:
>>>
>>> On the Mac there has been a longstanding problem in using repeat  
>>> loops
>>> to control the movement of screen objects. It is necessary to  
>>> insert a
>>> forced screen refresh every time through the loop on the desktop.  
>>> That
>>> problem goes away on the Web. A screen refresh is no longer needed.
>>>
>>> The stack I wrote is very busy, lots of factors to vary in order to
>>> compare all the possibilities. If you have the courage you  can
>>> compare these things for yourself  on the desktop using the stack:
>>>
>>>    go url "http://jamesphurley.on-rev.com/OnRevGraphicTimer.rev"
>>>
>>> And on the Web, go to
>>>
>>>     http://jamesphurley.on-rev.com/OnRevTimer/test.html
>>>
>>> The stack is a little busy. Jim Hurley
>>>
>>> (P.S. On the third card of the stack above I added is a simulation of
>>> planetary motion. The speed is fine on the desktop and the motion is
>>> very smooth,  but it is WAY too speedy on the Web. I didn't include
>>> any accommodation for the speed change on the Web. A good example of
>>> the need to do so.
>>>
>>>
>> For comparison, I tried some examples on Windows (XP, Rev Enterprise
>> 4.0-dp-4, Internet Explorer 8) and got identical* results on the  
>> desktop
>> stack as with the revlet.
>> *OK, I got the range 727, 728 or 729 milliseconds consistently when  
>> choosing
>> 90 points in the circle and 7 milliseconds on the delay slider.
>> -- 
>> And I meant to say, the blue planet spinning round the sun was high  
>> speed to
>> the point of stroboscopic inability to see where it was at any given  
>> point -
>> both on the web revlet and the desktop stack.
>> -- 
> 
> 
> SparkOut,
> 
> Thanks for the feedback. I knew that the Rev took a hit on the Mac in  
> these kinds of applications, but I didn't realize it was this bad.
> 
> That make the PC roughly twice as fast as the Mac. Makes it difficult  
> to develop cross platform.
> 
> Jim Hurley
> 
> 
> 
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