Member TeaCrab Posted May 4, 2015 Member Report Share Posted May 4, 2015 So I've got this input lag, it feels like cpu can't keep up or something. The situation: I imported 2 FBX file, with about 10 object, all very low poly. 2 UV sets using 2 materials. I was painting Color ID information. Every paint stroke on my initial object/first imported object are smooth and super responsive. When I switch to the second UV set/second imported object, when I paint, something goes nut and things become quite not responsive, and lags behind. It's not smoothing stroke [alt+s] issue. And whenever I go back to my first object, the lag just doesn't exist. Whenever I go to second object/second UV set, it just lags. I don't know how to create 2 sets of layers for each of the object, so I'm using same layers for both object, their UV will overlap if they existed in same UV space(Which I put them in 2 UV sets, so maybe it should be different UV space?). I'm using 4.5 beta. Quote Link to comment Share on other sites More sharing options...
Member TeaCrab Posted May 4, 2015 Author Member Report Share Posted May 4, 2015 Update, So after more work & test, this is what I found: The bigger the triangle size is in relation to the entire UV, the more lag I got. Again, drawing inside texture editor has no lag at all, but symmetry doesn't work. Only when drawing in 3D viewport, the lag happens. As the screen shot above. You can see Purple and Red color I painted on 2 places on the model with different UV density. The Purple ones I drew, I experienced tremendous amount of lag. The Red ones I drew, I only experienced none, or little amount of lag. It's magical. Quote Link to comment Share on other sites More sharing options...
Contributor Michaelgdrs Posted May 4, 2015 Contributor Report Share Posted May 4, 2015 Memory related maybe? Quote Link to comment Share on other sites More sharing options...
Member TeaCrab Posted May 4, 2015 Author Member Report Share Posted May 4, 2015 I don't know what is happening in 4.5 beta, but I got back to 4.1.17, and the issue is gone. 1 Quote Link to comment Share on other sites More sharing options...
Member TeaCrab Posted May 5, 2015 Author Member Report Share Posted May 5, 2015 (edited) Apprently, I had GTX 970 and GTX 660ti installed at the same time. And the software is using both. It gives me super faster render time for Ambient Occlusion maps, but I think it's causing all other issues. So I took out my 660ti. I've also reset my scene, so now the second object is using 1024 texture resolution, which greatly reduced the input lag to a tolerable level. And, the fact that 660ti + 970 together can give me a super faster Ambient Occlusion Texture bake is pretty interesting, I literally waits only 3 sec for a 256 lights, 1 smooth for two 2048x2048 textures, with 4.5 beta of course. Now with my single 970, AO bake time increased to like 10 sec or so for 128 lights and 1 smooth for one 2048 and one 1024 texture. Im going back to 4.5, even though it's not stable, some bits and pieces of the improvement just doesn't let me go back. And, no backward compatibility. Edited May 5, 2015 by TeaCrab Quote Link to comment Share on other sites More sharing options...
Carlosan Posted May 5, 2015 Report Share Posted May 5, 2015 Do you remember the warning, right ? Keep backups of scenes, presets and materials. Better - do backup of folder MyDocs/3D-CoatV4For example, rename it MyDocs/3D-CoatV4 to MyDocs/3D-CoatV4_OLD, run beta, work there. If you want to get back to 4.1.17D - rename or copy MyDocs/3D-CoatV4_OLD to MyDocs/3D-CoatV4 1 Quote Link to comment Share on other sites More sharing options...
Contributor Michaelgdrs Posted May 5, 2015 Contributor Report Share Posted May 5, 2015 Interesting , i also have 2 gpus , but i noticed no ao render improvment Quote Link to comment Share on other sites More sharing options...
Member TeaCrab Posted May 5, 2015 Author Member Report Share Posted May 5, 2015 Do you remember the warning, right ? Keep backups of scenes, presets and materials. Better - do backup of folder MyDocs/3D-CoatV4 For example, rename it MyDocs/3D-CoatV4 to MyDocs/3D-CoatV4_OLD, run beta, work there. If you want to get back to 4.1.17D - rename or copy MyDocs/3D-CoatV4_OLD to MyDocs/3D-CoatV4 Thanks for the advice Interesting , i also have 2 gpus , but i noticed no ao render improvment Despite what GPU you might be using, there are too much reason for it to work or not work.. lol It's probably just magic and I don't think I want to spend hours to test it again... Quote Link to comment Share on other sites More sharing options...
Javis Posted May 6, 2015 Report Share Posted May 6, 2015 Are you by chance on Windows 8.x? I saw in another thread a user posting that the system power settings are having an effect on performance in applications as well. Just thought I would mention it. Quote Link to comment Share on other sites More sharing options...
Member TeaCrab Posted May 7, 2015 Author Member Report Share Posted May 7, 2015 Are you by chance on Windows 8.x? I saw in another thread a user posting that the system power settings are having an effect on performance in applications as well. Just thought I would mention it. No, I'm using Windows 7 on a desktop, always in high-performance mode. I think it's due to I used 2 graphic cards that shares different architecture. Quote Link to comment Share on other sites More sharing options...
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