Nvm it worked, thank you! Although sudo apt install did not like installing
the source version.
Kind Regards,
Greg
On Wednesday 14 August 2024 at 20:57:04 UTC+1 Matthias Maier wrote:
> Yes,
>
> You'll need to flip that option to on.
>
> Best,
> Matthias
>
>
> On Wed, Aug 14, 2024, at 11:10 CD
Hi,
Dealii does recognise AVX compatibility and all the quick tests pass
however I encounter the following error when trying to run step-76
:./examples/step-76/step-76.cc:511: error: undefined reference to
'dealii::MatrixFree<2, double, dealii::VectorizedArray
>::MatrixFree()'
/usr/include/deal
Yes,
You'll need to flip that option to on.
Best,
Matthias
On Wed, Aug 14, 2024, at 11:10 CDT, Wolfgang Bangerth
wrote:
> On 8/14/24 09:16, Gregory Christian wrote:
>> Yes I reconfigured (only changing the debian/rules) file and
>> recompiled dealii, not just step-76. I checked the linkers w
I am seeing something like
-- Include /tmp/dealii_new/cmake/checks/check_01_cpu_features.cmake
-- Performing Test DEAL_II_HAVE_SSE2
-- Performing Test DEAL_II_HAVE_SSE2 - Failed
-- Performing Test DEAL_II_HAVE_AVX
-- Performing Test DEAL_II_HAVE_AVX - Failed
-- Performing Test DEAL_II_HAVE_AVX512
On 8/14/24 09:16, Gregory Christian wrote:
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.
This isn't my area of expertise, but did you se
-DDE
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, wrote:
> Did you actually
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
wrote:
>
> Hi Daniel,
>
> The output is Vectorization over 1 doubles = 64 b
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.
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
wrote:
>
> Hi all,
>
> I'm trying to add AVX2 support for step-76 but have had no luck.
> Steps taken:
> sudo apt
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
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