Viewing profile — pitust2

> They definitely could have made avx512 instructions trigger a switch to p-cores Not really, no. OS-level schedulers are complicated as is with only P vs E cores to worry about, l…

ACHI (which is how SATA is exposed) doesn't change any of this. The only thing that is affected is how the loaded OS has to talk to the disk controller. The real thing that loses s…

The screenshot of their bootloader ( https://exectos.eu.org/images/exectos/xtldr_boot_menu.png ) bears striking resemblance to GRUB, as well.

Can you show a source for this claim? There exists this codepath in adp_open: int adp_open(struct inode *inode, struct file *filp) { if (current->comm[0] == 'X') return -EBUSY; ret…

Can you provide any citations for this (extraordinary, if true) claim? My knowledge of operating systems (which is based on experience in designing toy ones, but also studying othe…

> But understand that modern CPUs have hyperthreading, meaning more than one independent thread of execution. I know. But spinning up threads in an infinite loop is going to get co…

> Or maybe I'm all wrong. I'm not an OS dev, so please someone correct me. Nope, you are completl right! A while (true) might slow down the system, but even that is not necessarily…