]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Add changelog
authorMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Fri, 9 Jun 2017 16:23:08 +0000 (18:23 +0200)
committerMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Fri, 9 Jun 2017 16:23:08 +0000 (18:23 +0200)
doc/news/changes/minor/20170607MartinKronbichler [new file with mode: 0644]
doc/news/changes/minor/20170608MartinKronbichler [moved from doc/news/changes/minor/20170608MartinKronbichler.txt with 100% similarity]

diff --git a/doc/news/changes/minor/20170607MartinKronbichler b/doc/news/changes/minor/20170607MartinKronbichler
new file mode 100644 (file)
index 0000000..639e876
--- /dev/null
@@ -0,0 +1,7 @@
+Improved: The multigrid smoothers now provide an additional apply() method that
+specializes the smoothing for the case the input vector is set to zero. This
+method is used in the Multigrid class and saves one matrix-vector product,
+which can speed up the multigrid algorithm by up to 10 percent, depending on
+the cost of the smoother.
+<br>
+(Martin Kronbichler, 2017/06/07)

In the beginning the Universe was created. This has made a lot of people very angry and has been widely regarded as a bad move.

Douglas Adams


Typeset in Trocchi and Trocchi Bold Sans Serif.