3 ms·

Preemption sure is non-deterministic from POV of the thread. But what's the point of it anyway? It's not like you handle HW interrupts in user-space and need to

Preemption sure is non-deterministic from POV of the thread. But what's the point of it anyway? It's not like you handle HW interrupts in user-space and need to wait for some value in memory mapped register.

dataflow 5y ago
> But what's the point of it anyway? Some people empirically find it improves their applications' performances in some situations.
- anarazel 5y ago
  It's also not rare to end up needing spinlocks within more elaborate lock implementations or within other low level primitives.