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| author | Maximilian Bosch <maximilian@mbosch.me> | 2019-03-30 19:20:02 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-30 19:20:02 +0100 |
| commit | 4cd107f6b3e04cc816cc9c2da1e7a0ca86dbb845 (patch) | |
| tree | ef9fc1ed6b159f7cbcd5fca79b7f13c4048568e0 /doc | |
| parent | b556663201f06468226f98ddb28eaeff1f098210 (diff) | |
| parent | 6fec5aac83e7ad4206050fab82d8e913a8f657bf (diff) | |
Merge pull request #56786 from Ma27/dlib-avx-fixes
dlib: improve AVX configuration
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/package-notes.xml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/doc/package-notes.xml b/doc/package-notes.xml index dfdada3d28c..169f70283e6 100644 --- a/doc/package-notes.xml +++ b/doc/package-notes.xml @@ -887,4 +887,31 @@ citrix_receiver.override { </para> </section> </section> + <section xml:id="dlib"> + <title>DLib</title> + + <para> + <link xlink:href="http://dlib.net/">DLib</link> is a modern, C++-based toolkit which + provides several machine learning algorithms. + </para> + + <section xml:id="compiling-without-avx-support"> + <title>Compiling without AVX support</title> + + <para> + Especially older CPUs don't support + <link xlink:href="https://en.wikipedia.org/wiki/Advanced_Vector_Extensions">AVX</link> + (<abbrev>Advanced Vector Extensions</abbrev>) instructions that are used by DLib to + optimize their algorithms. + </para> + + <para> + On the affected hardware errors like <literal>Illegal instruction</literal> will occur. + In those cases AVX support needs to be disabled: +<programlisting>self: super: { + dlib = super.dlib.override { avxSupport = false; }; +}</programlisting> + </para> + </section> + </section> </chapter> |