3 ms·
I wonder how much time is spent on getting the processor from 16-bit Real Mode and up to the full 64-bit mode.
by torh 6y ago
I wonder how much time is spent on getting the processor from 16-bit Real Mode and up to the full 64-bit mode.
- amluto 6y agoA few tens of microseconds, most likely.
- deleted 6y ago[deleted]
- AnIdiotOnTheNet 6y agoIt is interesting how even people in this industry are sometimes orders of magnitude off when thinking about how quickly a modern computer is able to do something. Personally, I think it is because web development has trained people to believe that computers are slow.
- d_tr 6y agoJust switching is a few tens of instructions. Tens of microseconds should be more than enough to also build a non-trivial page table.