Graphic speed comparison between webLets and desktop stacks

[James Hurley]

>
> 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