5 ms·
GUIDs are expensive to compute. They are based on your MAC address, that is read every time from your registry.
by partycoder 8y ago
GUIDs are expensive to compute. They are based on your MAC address, that is read every time from your registry.
- NathanOsullivan 8y agoYou are describing a particular way of creating a UUID ("Version 1"). Another method, "Version 4", is simply a 122-bit random number.