Milline on erinevus goroutinide jaoks kasutatava virna ja traditsioonilise süsteemijupi virna vahel?

The stack of goroutines in Go differs from the traditional stack of a system thread in several key points:

1. Dynamic size: A goroutine's stack starts very small (usually around 2 KB) and can dynamically expand and contract as needed. The stack of a traditional system thread is usually fixed in size (e.g., 1 MB).

2. Lightweight: Thanks to its small initial size and dynamic management, goroutines consume much less memory, allowing thousands or even millions of goroutines to run concurrently.

3. Runtime management: The Go runtime automatically manages the goroutine's stack, moving data as needed when expanding the stack, which is transparent to the developer.

4. Isolation: Each OS thread has its own fixed-size stack, while goroutines use separate stacks that can be placed in one or multiple OS threads.

Example: if a goroutine begins executing a function with deep recursion, its stack will automatically expand, whereas a system thread might simply fail with a stack overflow error.