Unreal very slow. BP taking 50 sec do compile??

Development Programming & Scripting
,
1

Compiling BP taking 30/50 seconds. Creating new variables taking 5/10 seconds. Disabling a boolean from the “Details” panel taking 20/30 seconds. What’s going on??? Unreal is very slow. It wasn’t like this before. I tested it on other computers and it’s the same thing. My project is on Github shared with another PC and it’s the same. Does anyone know what could be happening? It’s impossible to work like this. Is there any way to “clean” the project?

I’m thinking it might have to do with broken references in the project, and the Engine is taking time to find them. How can I clean the project?

Could it be because I renamed several assets? I need help please. Thank you.

image
image768×117 7.8 KB

i5-13450HX (10-core, 20MB cache, up to 4.6GHz)
RTX 3050, 6GB GDDR6
32 GB DDR5 4800MT/s;
1TB PCIe NVMe M.2

2

That not in seconds but in milli seconds.

1 Like
3

48k milliseconds = 48 seconds. Anyway, you got my point. Does anyone have any idea what could lead to this sudden occurrence?

4

image

There a dot in between, it 48 ms.

1 Like
5

It’s very slow. Maybe it’s a bug in Unreal? I’m waiting for a second. When I press the compile button, the Engine freezes for a few seconds and then comes back. Do you know what it could be?

I just created an empty actor, with nothing inside, and pressed compile. It showed this. The Engine didn’t freeze.

image
image860×105 8.75 KB

50 ms.

6

Try out these things:

  • make some backup just in case.
  • Delete the folder “Intermediate” and “DerivedDataCache” in your project folder from file explorer.
  • Launch your project and let it compile.
  • In your content browser, select your higher up folder if possible and do a Fix up
    image
7

It has improved considerably, but it’s still not ideal. It dropped to 6.xxx ms.

image
image763×102 3.42 KB

I also deleted other folders according to ‘Folders safe to delete to recompile everything’. But the SHADERS did not recompile. How do I ‘force’ shader recompilation? I want to perform a complete cleanup of the project.