3 ms·
I think it says refcounting twice faster for swift on M1 compared to swift on x86. It is possible because if you don’t have TSO(total store order), you can emp
by annilt 6y ago
I think it says refcounting twice faster for swift on M1 compared to swift on x86.
It is possible because if you don’t have TSO(total store order), you can employ atomic operations without waiting/flushing previous items in the CPU’s store buffer
- gpderetta 6y agoBut apparently they are faster even in TSO mode. Maybe they aggressively speculate around them.