Re: [gentoo-user] is multi-core really worth it?

[Peter Humphrey <peter@prh.myzen.co.uk>]

On Tuesday, 5 December 2017 13:57:38 GMT Wols Lists wrote:

> I've just had a long thread with someone on the SUSE list who refuses to
> believe that the "twice ram" rule ever existed.
> 
> This despite someone else actually describing the algorithm (from which
> one can see where the rule comes from), and me pointing out that (after
> Linus stripped out all the "awful" optimisation code) the early vanilla
> 2.4 kernels enforced this rule by crashing if you broke it.
> 
> Swap was rewritten as a result of that, but I've never heard whether the
> fundamental algorithm was changed, so I still provision my systems on
> the assumption it's true. Disk is cheap ... my 4TB drives cost about
> £110, so that makes 128GB for swap cost, what, £3? I'll probably never
> need it, but hey, at that price :-)

Ah, but it's a different kettle of fish if you're using LVMe SSD!  :)

Mine is 256GB and doesn't have an awful lot of spare capacity, what with 
BOINC and being the compile host for two other boxes.

-- 
Regards,
Peter.