Tracing where build time is spent
Luboš Luňák
l.lunak at collabora.com
Tue Feb 18 09:17:30 UTC 2020
On Tuesday 18 of February 2020, Jan-Marek Glogowski wrote:
> Am 17.02.20 um 22:02 schrieb Luboš Luňák:
> > $ time tar xf boost_1_71_0.tar.bz2
> >
> > real 4m43.122s
> > user 0m25.077s
> > sys 1m5.514s
>
> Ughh.
>
> Still - the point I was trying to make is that the unpack with your
> setup just hits one core and nobody is actually waiting in that
> seemingly half-empty timespan in the log. So the build would save ~10s,
> if you can cut this time in half.
Not everyone has 16 cores. Moreover, even if it saves just a little, the cost
of the repacking is tiny and unpacking happens often, so it's still worth it.
--
Luboš Luňák
l.lunak at collabora.com
More information about the LibreOffice
mailing list