3 ms·

System call context switching is cheaper than and different from thread/scheduler context switching.

• pcwalton 10y ago
  OK, but that's irrelevant in this context because Go has to context switch either way.
  • zeeboo 10y ago
    It can also switch on memory allocations and function calls as well. I'd expect a large fraction of the context switches come from those events and don't go through the kernel.