Test stack "speed of imagedata processing and paintcompression"

[Richard Gaskin]

Wilhelm Sanke wrote:
> On Mon, 04 Jun 2007, Richard Gaskin wrote:
> 
>> I had thought that you'd earlier discovered the difference between MC 
>> and Rev to be simply that Rev's boot script changes the default 
>> compression. This would imply that anyone who uses MC or any other 
>> collection of stacks as their IDE could bring the same performance in 
>> any other IDE by simply changing the paintCompression back to the 
>> engine's default.
>>
>> What am I missing?
> 
> Concerning your statement and question, nothing.
> 
> I submitted the bug report after a longer discussion on the improvement 
> list and had been asked by Mark Waddingham to present a test stack. The 
> discussion also revealed that the Rev team was apparently unaware of 
> these issues.
> What astonished me in my tests was the fact that under specific 
> circumstances the slowing down of imagedata under PNG compression was 
> far greater than expected, namely 12 times compared to RLE when 
> retrieving imagedate out of a custom property.
> 
> I thought it useful to share my findings with the Metacard list, too, 
> and - although the basic fact about the boot script has been mentioned 
> before on this list - as memory usually is short, I think it would not 
> hurt to mention this fact again.

Very helpful indeed. Thanks for the recap.

-- 
  Richard Gaskin
  Fourth World Media Corporation
  ___________________________________________________________
  Ambassador at FourthWorld.com       http://www.FourthWorld.com