3 ms·
- raw, unshared access to devices. - no more interrupts. You can get really close to this via virtualization though. Run a guest machine without operating
by toolslive 6y ago
- raw, unshared access to devices.
- no more interrupts.
You can get really close to this via virtualization though.
Run a guest machine without operating system on the hypervisor. It doesn't even have to be low level code to get most of the benefits (for example MirageOS)
- chrisseaton 6y ago> raw, unshared access to devices Get to OS to set up DMA for you. > no more interrupts If the OS has no need to interrupt you, it will never interrupt you. The OS doesn't context switch from a usefully running application on its own core unless you ask it to. Don't need virtualisation.