Light baking process took too long to complete but the result is horrible

I have my machine running the baking process in Unity 5 for a day when I was at work, at the end of the day get back and here is the messy result



Any idea would be appreciated

 

Did you try to reduce value Atlas Size?

 

reduce atlas size to 1024 doesn't help at all, the baking proccess still take too long to complete

 

Your texel resolution seems very low at 0.1 per unit.

 

I find that setting the Real-time Res to 0.5 looks almost as good as the default 2 but takes way less time to bake and By turning on continuous baking I get a lot faster baking speeds (because it's not baking AO)... 0.1 res makes things look horrible...

 

Texel resolution for Baked GI should be 10 or above almost always.

You can view it in the topleft corner of Scene View > Baked > Show Lightmap Resolution

 

The models were created using 3dsmax.
Here are severals picture of UV charting, also the scene consist just several models but it still take about 20 - 40 minutes to do baking

 

Sorry I didn't get what you mean by "busted".
So how should I do to fix it ? It would be great to have some references so that I can look into to get a better understanding about this.

 

You also need to show the UV Charts view like so - notice the top-left:

 

I found the problem, I forget to set Generate Light-map UV in model import setting, I always made this mistake before as I don't use this light baking stuff so frequently. Here is the UV chart



But still, the process take too long to complete for a small scene and even it can not complete with ton of errors that I have no clue where and what to fix.

 

I have had a few bakes take a long time but those were for larger scenes. Since your scene is small and the errors mention "failed to open file" do you by any chance have anything on your machine that maybe locking any files (especially newly created ones). Some antivirus programs or automatic backup programs (i.e. carbonite) lock files and might be interfering with the baking process. Something to check at the very least.

 

I don't have any antivirus except the default window defender one. I did several times cancel or force quit unity while the baking process is doing its job, just to mention if it give some clue.

 

I wouldn't say your scene was "small". What time are you expecting? Look at the Sceneview > Baked overlay. The bigger the squares the less time it'll take, but the shadows won't be as sharp. You can also turn off precomputed GI if you don't need it.

If it's a 1st-person game then you will need detailed shadows (high Baked Resolution), but if it's an RTS then you could reduce the the Baked Resolution.

 

Thanks for your ideas, it lighten me up somehow about the baked overlay.

@KEngelstoft Even I clean GI cache in Unity Preferences, the bug still exists