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reminder that most garbage collectors don't really free memory, they reuse buffers.

if you're lucky the runtime will clear it.

most languages with a runtime have a memory arena for this purpose. C# has three, Unity has five (3 from C# and then two engine specific.)

so depending on the GC to free memory might still leave a gigantic allocated buffer in memory until for whatever reason it decides to free this.

C# in fact, never does. you have to manually set a hard limit using environment flags.