On Tue, Oct 29, 2019 at 08:04:07AM +0100, Dimitry Andric wrote: > On 27 Oct 2019, at 17:59, Alexey Dokuchaev <da...@freebsd.org> wrote: > > > > On Sat, Oct 26, 2019 at 04:34:14PM +0200, Dimitry Andric wrote: > ... > >> I only tested -j24 on a 32-core system, but I could probably repeat the > >> experiment with lower and higher -j values: [...] > >> > >> So ~2.3% difference in real time, which is not too bad I think. > > > > Well, I'd say it's acceptable. :-/ > > I also tested at low (-j4) and high (-j32) levels. It turns out that at > low -j levels, the difference is less pronounced, just ~1.1% in real > time. And at high -j levels, it is more pronounced, ~4.3% in real time. > > Note also that at high -j levels, the difference in system time seems > to get more influence, e.g. at low -j the difference is ~4.5%, while at > high -j the difference is ~7.2%. I guess it is because dynamic linking > uses more syscalls.
Yeah, it would be definitely nice if we could optimize runtime linker. Thanks for conducting these tests by the way, much appreciated, Dimitry! ./danfe _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
