[cig-commits] commit 1870 by bangerth to /var/svn/dealii/aspect

[dealii.demon at gmail.com]

Revision 1870

Add another section.

U   trunk/aspect/doc/manual/manual.tex
U   trunk/aspect/doc/manual.pdf


http://www.dealii.org/websvn/revision.php?repname=Aspect+Repository&path=%2F&rev=1870&peg=1870

Diff:
Modified: trunk/aspect/doc/manual/manual.tex
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--- trunk/aspect/doc/manual/manual.tex	2013-09-04 17:44:04 UTC (rev 1869)
+++ trunk/aspect/doc/manual/manual.tex	2013-09-09 13:49:24 UTC (rev 1870)
@@ -2152,8 +2152,23 @@
 
 
 \subsubsection{Limiting postprocessing}
+spect{} has a lot of postprocessing capabilities, from generating graphical
+output to computing average temperatures or temperature fluxes. To see what all
+is possible, take a look at the 	exttt{List of postprocessors} parameter that
+can be set in the input file, see Section~
ef{parameters:Postprocess}.
+\index[prmindex]{List of postprocessors}
+\index[prmindexfull]{Postprocess!List of postprocessors}
 
+Many of these postprocessors take a non-negligible amount of time. How much they
+collectively use can be inferred from the timing report spect{} prints
+periodically among its output, see for example the output shown in
+Section~
ef{sec:cookbooks-simple-box}. So, if your computations take too long,
+consider limiting which postprocessors you run to those you really need. Some
+postprocessors -- for example those that generate graphical output, see
+Section~
ef{parameters:Postprocess/Visualization} -- also allow you to run them
+only once every once in a while, rather than at every time step.
 
+
 \subsubsection{Switching off pressure normalization}
 In most practically relevant cases, the Stokes equations
 \eqref{eq:stokes-1}--\eqref{eq:stokes-2} only determine the pressure up to a

Modified: trunk/aspect/doc/manual.pdf
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