On 21.08.2018 13:51, Rolf Eike Beer wrote: > I switched from 4.17.3 to 4.18.0 on my C8000 on Friday. Since then I see a massive slowdown in my CDash builds (building CMake, libarchive, Qsmtp). From what I see this seems not to be related to any change in the projects: You could try to revert the memory barrier patches: * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fedb8da96355f5f64353625bf96dc69423ad1826 and/or the default-enabled CONFIG_MLONGCALLS option: * http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66509a276c8c1d19ee3f661a41b418d101c57d29 Helge > > Timing before: > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 4.7 Aug 17, 2018 - 13:37 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 4.8 Aug 17, 2018 - 11:19 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 4.9 Aug 17, 2018 - 09:06 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 5 Aug 17, 2018 - 06:50 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 6 Aug 17, 2018 - 04:25 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 7 Aug 17, 2018 - 00:54 > > Timing after: > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 4.9 Aug 20, 2018 - 13:02:06 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 5 Aug 20, 2018 - 10:04:10 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 6 Aug 20, 2018 - 06:51 > pioneer.sf-tec.de Gentoo HPPA C8000 GCC 7 Aug 20, 2018 - 02:08
