[Qbs] Qbs (way) faster than cmake (or benchmark issue)
chgans at gmail.com
Tue Jul 16 09:12:14 CEST 2019
On Tue, 16 Jul 2019, 19:00 Oswald Buddenhagen, <oswald.buddenhagen at gmx.de>
> On Tue, Jul 16, 2019 at 06:29:35PM +1200, Christian Gagneraud wrote:
> > $ time qbs -f ../qtcreator.qbs profile:qt-5-12-2
> > user 96m51.927s
> > sys 19m52.059s
> > $ time ninja
> > user 70m58.028s
> > sys 23m9.238s
> these system time figures appear *waaaay* too high to me. something
> funny appears to be going on with your kernel.
Interesting remark, the builds were done inside docker container.
Still, they might be good tho, this machine has 28 cores/56 threads.
Nonetheless, wall time clearly show that qbs build way more stuff than
cmake, and does this in less time.
I might collect the load average while building, which will show that Qbs
is more efficient.
As well, the build time Vs job count graph might give clue.
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