On Thu, Mar 26, 2020 at 06:07:54PM +0100, Kamil Rytarowski wrote:
> On 26.03.2020 17:49, Robert Elz wrote:
> > Date: Thu, 26 Mar 2020 16:28:18 +0100
> > From: Kamil Rytarowski <n...@gmx.com>
> > Message-ID: <84460ebb-b4bf-f3ee-e51b-e27d0b6e2...@gmx.com>
> >
> >
> > | That is negligible cost of getting TMPDIR propagated to most programs.
> >
> > Sure, it isn't much, for one program, but when you're running tens of
> > thousands, it all adds up.
> >
>
> It's still negligible for hundreds of millions calls.
>
> Modern CPUs like Ryzen Threadripper 3990X can execute that extra amount
> of instructions (around 600) in a single clock cycle.
NetBSD-current would probably take longer to build on that AMD chip, than
Research Unix took to build on a PDP-11/70 in the late 1970s. It still
counts.
https://www.bell-labs.com/usr/dmr/www/retro.pdf
Andrew
