[SoC] QGIS on steroids - week #2

[Wolf Bergenheim]

On Tue, Jun 8, 2010 at 01:10, Martin Dobias <wonder.sk at gmail.com> wrote:
> Hi all,
>
> This week I've implemented the mechanism to render map layers in
> separate threads, so that multiple processors/cores can be used for
> the rendering. On my dual-core test machine, I was able to get close
> to the ideal 2x speed up.

Nice! I'll have to try that at work, where I have a dual core. Great
going so far.

>
> For the next week, I plan to improve the rendering and caching code.
> Then I'd like to start with next target which will take few weeks - to
> enable the rendering to happen in worker thread and GUI will not be
> blocked while rendering.

That will make all the difference in the world. I remember the pain of
having to wait for the ui to become responsive, especially with large
vector maps with loads of features. Do you have any idea how this will
affect the labeling you worked on last year? I remember you saying
that it was slower than expected...

--Wolf