Dear Daniel, Yes I reconfigured (only changing the debian/rules) file and recompiled dealii, not just step-76. I checked the linkers whilst the package was compiling and -march=skylake was present throughout. Kind regards, Greg
On Wed, 14 Aug 2024, 15:55 Daniel Arndt, <d.arndt.m...@gmail.com> wrote: > Did you actually reconfigure and recompile deal.II itself or only step-76? > You should see in the CMake configuration output why AVX-support > wasn't detected.\ > > Best, > Daniel > > On Wed, Aug 14, 2024 at 8:43 AM Gregory Christian > <gregorychristia...@gmail.com> wrote: > > > > Hi Daniel, > > > > The output is Vectorization over 1 doubles = 64 bits (disabled) > > > > Kind Regards, > > Greg > > > > On Wednesday 14 August 2024 at 15:11:44 UTC+1 d.arnd...@gmail.com wrote: > >> > >> Greg, > >> > >> What does your detailed.log look like? The "Vectorization level" line > >> should tell you the detected capabilities. > >> > >> Best, > >> Daniel > >> > >> On Wed, Aug 14, 2024 at 7:16 AM Gregory Christian > >> <gregorych...@gmail.com> wrote: > >> > > >> > Hi all, > >> > > >> > I'm trying to add AVX2 support for step-76 but have had no luck. > >> > Steps taken: > >> > sudo apt source libdeal.ii-dev > >> > sudo chown -R $USER:$USER deal.ii-9.4.1 > >> > modify the debian/rules -DDEAL_II_CXX_FLAGS to include -march=skylake > (I have an i7 6700) > >> > Then build and install using debuild > >> > Problem: > >> > The package builds and installs just fine but step-76 is still > running unoptimized, is there something I should change? > >> > Kind Regards, > >> > Greg > >> > > >> > -- > >> > The deal.II project is located at http://www.dealii.org/ > >> > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > >> > --- > >> > You received this message because you are subscribed to the Google > Groups "deal.II User Group" group. > >> > To unsubscribe from this group and stop receiving emails from it, > send an email to dealii+un...@googlegroups.com. > >> > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/126b4374-94f1-4df7-ab5c-040898681994n%40googlegroups.com > . > > > > -- > > The deal.II project is located at http://www.dealii.org/ > > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > > --- > > You received this message because you are subscribed to the Google > Groups "deal.II User Group" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to dealii+unsubscr...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/b07f94a1-1aaa-47e9-bf69-d9eb3290b69en%40googlegroups.com > . > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/CAOYDWbJ-Eazfkd44GXwCgh-Mwteskx%3DvBeSHnUDQsEpdnT4HjA%40mail.gmail.com > . > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAF2XEv6sdni2npg-mhwRUgMHOxp4bdTp8Owpgdie1%2BpVGVvYGg%40mail.gmail.com.
