Re: CVS commit: src/external/gpl3

[Andrew Doran <ad%netbsd.org@localhost>]

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 <n54%gmx.com@localhost>
> >     Message-ID:  <84460ebb-b4bf-f3ee-e51b-e27d0b6e2ab3%gmx.com@localhost>
> >
> >
> >   | 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