On 06.03.2015 01:58, j...@joshtriplett.org wrote: > On Fri, Mar 06, 2015 at 12:55:38AM +0100, Michael Biebl wrote: >> 2015-03-05 11:58 GMT+01:00 <har...@redhat.com>: >>> From: Harald Hoyer <har...@redhat.com> >>> >>> The speedup is significant >>> >>> Original libtool >>> $ ccache -C && make clean && time make -j4 >>> […] >>> real 6m4.104s >>> user 13m49.234s >>> sys 7m37.864s >>> >>> Original libtool + dolt >>> $ ccache -C && make clean && time make -j4 >>> […] >>> real 2m24.869s >>> user 7m30.198s >>> sys 1m17.813s >> >> Hm, the speedup is nowhere near as significant here: >> without dolt (make): >> real 4m2.749s >> user 3m9.304s >> sys 0m19.032s >> >> with dolt (make): >> real 3m33.756s >> user 2m59.476s >> sys 0m17.632s >> >> without dolt (make -j6): >> real 1m42.001s >> user 5m3.680s >> sys 0m26.608s >> >> with dolt (make -j6) >> real 1m35.267s >> user 4m50.956s >> sys 0m24.724s >> >> >> libtool version is 2.4.2. > > That's more what I'd expect with current versions of libtool, which has > supposedly fixed many of the issues that motivated the creation of dolt > in the first place.
See <https://harald.hoyer.xyz/2015/03/05/libtool-getting-rid-of-180000-sed-forks/> to find out about the culprit and a libtool fix. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel