QtConcurrent mask procession - proof of concept

David REVOY davidrevoy at gmail.com
Sat Oct 23 02:27:47 CEST 2010

> Maybe you have an i7
Yep, a fresh one :) ( 870 )  I'm highly interrested in all works done 
about performance . How to apply a patch ? (surely it something 
obviously simple for a developper, but I prefer to ask a link to a good 
and compatible doc before 'google it' )


On 10/23/2010 02:20 AM, Sven Langkamp wrote:
> Hi,
> I have made a proof of concept for using QtConcurrent in autobrush 
> mask calculation. This is just an experiment for now so it doesn't 
> handle the corner cases.
> If you want to compare it in benchmarks, there is a define that will 
> switch between old and qtconcurrent code. The number of jobs can also 
> be configured. I did run KisStrokeBenchmark. On my i5 430 I got a 
> speedup of 1.4 for 60px brush and 1.6 for a 500px brush. I would be 
> very interested in how it performs on other systems. Maybe you have an 
> i7 or xeon :)
> Patch is attached.
> Sven
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