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  • Open project => Wait
  • Start / stop game => Wait
  • Change script => Wait
  • Move object from project view => Wait
  • You blink too often => WAIT even more !

And so on and so on.... And the bigger the project gets the more you have to wait.

I feel like I am going insane with all this waiting. I am seriously loosing my sanity here when even the slightest thing requires a million of years loading time.

What I have done so far to mitigate all this:

  • Use Hot reload for partially reducing script reloads
  • Enabled manual project refresh instead of automatic one from visual studio
  • Enable "enter play mode" and disabled "reload domain" and "reload scene"
  • Disabled autosave/refresh for light baking
  • Disabled prefab auto save

What I want to find out:

  • Is there a way to boost allocated memory to Unity ? It isnt an elegant solution but it will be a good start.
  • How to disable the automatic Unity reload every time I move a script inside the Project window ?
  • Any other way to speed up this cursed program before I loose my sanity completely

PC Specs: CPU : Intel(R) Core(TM) i7-7820X CPU @ 3.60GHz Ram : 32.0 GB V_Card : NVIDIA GeForce GTX 1080 Ti Storage: SSD with NVME

Unity ver: Unity 2021.1.

Reload times:

  • "Reloading script assemblies" + 15 sec
  • "Compiling C# scripts" milliseconds.
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  • \$\begingroup\$ Have you reviewed previous answers to how to speed up reloads in Unity and the Unity documentation on separating your code into smaller assemblies that can be recompiled independently? \$\endgroup\$
    – DMGregory ♦
    Commented Mar 7, 2023 at 1:07
  • \$\begingroup\$ I'd also be interested in what is leading you to believe that this is a RAM limitation. \$\endgroup\$
    – DMGregory ♦
    Commented Mar 7, 2023 at 1:08
  • \$\begingroup\$ I've noticed that if I use the Unity Editor for many hours without closing it, the reloading gets slower and slower. This could be a memory leak or something to do with the log file getting very large. Either way, closing and re-opening the Editor fixes the issue. Are you using an HDD or SSD? What version of Unity are you using? What are your PC specs? \$\endgroup\$
    – Kevin
    Commented Mar 7, 2023 at 1:22
  • \$\begingroup\$ Hmm maybe I am talking nonsense so please correct me here. Currently in my project "Reloading script assemblies" takes the longest to load. And "Compiling C# scripts" is few milliseconds. And if I spend time doing the assembly definitions thing, all its going to do is speed up the "Compiling C# scripts" which is already pretty fast. As to the RAM thing its my mistake. I just meant if I can allocate more CPU or GPU or Ram or whatever else is there. So I can make Unity load faster. \$\endgroup\$
    – theCodeHermit
    Commented Mar 7, 2023 at 1:25
  • 2
    \$\begingroup\$ Ahhhh. The plugins are a likely culprit. A lot of plugins will subscribe to events that fire anytime any file is updated then call slow search functions to find all files they care about, just in case one of the files they touch was the one that was edited. Can you make a new project and import the plugins you're using one at a time, timing the reload after each, to try to narrow down which one(s) might be the biggest contributors to loading times? Also: please edit your question to include the points about your hardware specs, time in reload script assemblies vs compiling c# scripts, etc. \$\endgroup\$
    – DMGregory ♦
    Commented Mar 7, 2023 at 1:39

1 Answer 1

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OK, finally after more than a year I found what was messing with my load times !!

I have "Easy Save 3" plugin from the Unity store. The manager object in the scene was glitching out. I deleted it and everything is lightning fast now. You must delete it and not disable. Disable does nothing and I was fooled by that when checking my components for problems before.

It was giving me problems even before, but never that much. I figured it was Unity not being optimized since the slowdown happened gradually and I have seen lots of similar topics blaming Unity.

Hopefully this will help anyone else who has similar problems.

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