On 2024-07-01, A B <bnd...@outlook.com> wrote: > I just wonder why OpenBSD requires more CPU load for the same kind of > activity (web browsing), and also appears to draw more electricity from the > power supply when measured, compared to Linux, when using the same laptop?
This is not unexpected. > Perhaps more Assembly instructions to complete the same task? But why? Memory > protection kinds of checks? > > Note this is also when using the integrated (Intel) GPU. A lot of this is down to Linux having spent more time on optimising things for power consumption. Things like choices made in the scheduler (deciding which cpu to run a process on) have an effect, especially on certain cpu types, as well as code selecting cpu frequencies etc. -- Please keep replies on the mailing list.