3 ms·
This is a side effect of their execution model. If they had to dedicate one entire OS process to each execution, it would be significantly more expensive. They
by ryanworl 8y ago
This is a side effect of their execution model. If they had to dedicate one entire OS process to each execution, it would be significantly more expensive. They use V8 Isolates to sandbox the user code, of which you can run many concurrently in a single process cheaply.