How to shorten game starting time in editor?

Project data size - 30giga

CPU : intel i7-10700 desktop, 32g ram, geforce 1060

When click start game play button in unity,

From external USB 3.0 HDD drive same project → take 55 seconds for game start

From internal SSD drive same project → take 45 seconds for game start

Why it take so long?

How to shorten it?

I am despair, frustrated.

I had a similar experience recently: Simple Game/Scene extremely slow to enter play mode

Restarting my computer fixed it ¯_(ツ)_/¯

Have you tried deleting Library folder? It takes a while the first time you enter play mode after the reimport but then it’s fast again (for me anyway).

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I always turn on computer and then run unity first.

I tried to turn on profiler to analysis, but suddenly unity crashes