Re: [Gimp-user] Multi-Core Rendering

[Kasim Ahmic]

So after playing around with it, it's safe to say using GEGL_THREADS=4 doesn't 
help when it comes to exporting. It does seem to have an effect on scaling 
images however, but all that happens is 100% of my processor is used and then 
GIMP 2.9 crashes. It should also be noted that scaling down large images in 
GIMP 2.9 (whether GEGL_THREADS is used or not) just causes it to crash.

Oh well, hopefully more stable multi core usage is being worked on and isn't 
too far off. It would certainly help productivity!

Kasim Ahmić

Sent from my iPhone

> On Nov 20, 2015, at 11:29 AM, Alexandre Prokoudine 
>  wrote:
> 
> 20 нояб. 2015 г. 19:05 пользователь "Kasim Ahmic" 
> написал:
>> 
>> Alright, I'll test it out and see how the performance differs during
> exporting. Thanks! Also, how would I get in contact with Øyvind?
> 
> I don't know if he reads this list, but he does read gimp/gegl-developer
> lists.
> 
> Alex
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Re: [Gimp-user] Multi-Core Rendering

[Alexandre Prokoudine]

On Thu, Nov 19, 2015 at 3:15 AM, Kasim Ahmic wrote:

> My questions now are, is there any way to enable multi core rendering in
> GIMP? Is it even possible or does the current exporting code not support
> multi core rendering in any way? If there is no way to do this, are there
> plans to make it possible in future version of GIMP?

There is _some_ experimental support in GEGL for multithreading. If
you want to test it, please use GEGL_THREADS= in
the environment along with dev version of GIMP.

E.g.

$ GEGL_THREADS=4 gimp-2.9

I'm not 100% sure which part of GIMP features are covered by
multithreading via GEGL, Øyvind Kolås is your guy here.

Alex
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Re: [Gimp-user] Multi-Core Rendering

[Kasim Ahmic]

Alright, I'll test it out and see how the performance differs during exporting. 
Thanks! Also, how would I get in contact with Øyvind?

Kasim Ahmić

Sent from my iPhone

> On Nov 20, 2015, at 10:35 AM, Alexandre Prokoudine 
>  wrote:
> 
>> On Thu, Nov 19, 2015 at 3:15 AM, Kasim Ahmic wrote:
>> 
>> My questions now are, is there any way to enable multi core rendering in
>> GIMP? Is it even possible or does the current exporting code not support
>> multi core rendering in any way? If there is no way to do this, are there
>> plans to make it possible in future version of GIMP?
> 
> There is _some_ experimental support in GEGL for multithreading. If
> you want to test it, please use GEGL_THREADS= in
> the environment along with dev version of GIMP.
> 
> E.g.
> 
> $ GEGL_THREADS=4 gimp-2.9
> 
> I'm not 100% sure which part of GIMP features are covered by
> multithreading via GEGL, Øyvind Kolås is your guy here.
> 
> Alex
> ___
> gimp-user-list mailing list
> List address:gimp-user-list@gnome.org
> List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
> List archives:   https://mail.gnome.org/archives/gimp-user-list
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Re: [Gimp-user] Multi-Core Rendering

[Alexandre Prokoudine]

20 нояб. 2015 г. 19:05 пользователь "Kasim Ahmic" 
написал:
>
> Alright, I'll test it out and see how the performance differs during
exporting. Thanks! Also, how would I get in contact with Øyvind?

I don't know if he reads this list, but he does read gimp/gegl-developer
lists.

Alex
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