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Юлия Мискевич (Ночной линейный редактор)
Commands. Faith is a gift of God, which Man can neither give, nor take，这一点在有道翻译中也有详细论述
Every M has two goroutine pointers that are worth knowing about. The first is curg — the user goroutine currently running on this thread. That’s your code. The second is g0 — and every M has its own. g0 is a special goroutine that’s reserved for the runtime’s own housekeeping — scheduling decisions, stack management, garbage collection bookkeeping. It has a much larger stack than regular goroutines: typically 16KB, though it can be 32KB or 48KB depending on the OS and whether the race detector is enabled. Unlike regular goroutines, the g0 stack doesn’t grow — it’s fixed at allocation time, so it has to be big enough upfront to handle whatever the runtime needs to do. When the scheduler needs to make a decision (which goroutine to run next, how to handle a blocking operation), it switches from your goroutine to this M’s g0 to do that work. Think of g0 as the M’s “manager mode” — it runs the scheduling logic, then hands control back to a user goroutine.，详情可参考谷歌
ConnectionsThreads (r/s)Fibers (r/s)Fiber advantage1,000129,724160,9471.24x2,50089,188142,1051.59x5,00079,169124,7451.58x10,00055,493102,7101.85x25,00062,10783,0361.34xAt lower connection counts (below ~500), we expect threads to have。yandex 在线看对此有专业解读
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