doc: split examples in basic and advanced

doc/starpu.texi

@@ -67,6 +67,7 @@ was last updated on @value{UPDATED}.
 * Installing StarPU::           How to configure, build and install StarPU
 * Using StarPU::                How to run StarPU application
 * Basic Examples::              Basic examples of the use of StarPU
+* Advanced Examples::           Advanced examples of the use of StarPU
 * Performance optimization::    How to optimize performance with StarPU
 * Performance feedback::        Performance debugging tools
 * StarPU MPI support::          How to combine StarPU with MPI
@@ -543,14 +544,6 @@ so:
 * Hello World::                 Submitting Tasks
 * Scaling a Vector::            Manipulating Data
 * Vector Scaling on an Hybrid CPU/GPU Machine::  Handling Heterogeneous Architectures
-* Using multiple implementations of a codelet::
-* Task and Worker Profiling::   
-* Partitioning Data::           Partitioning Data
-* Performance model example::   
-* Theoretical lower bound on execution time::  
-* Insert Task Utility::          
-* More examples::               More examples shipped with StarPU
-* Debugging::                   When things go wrong.
 @end menu
 
 @node Compiling and linking options
@@ -1168,6 +1161,24 @@ see @ref{Enabling OpenCL}):
 0.000000 3.000000 6.000000 9.000000 12.000000
 @end smallexample
 
+@c ---------------------------------------------------------------------
+@c Advanced Examples
+@c ---------------------------------------------------------------------
+
+@node Advanced Examples
+@chapter Advanced Examples
+
+@menu
+* Using multiple implementations of a codelet::
+* Task and Worker Profiling::   
+* Partitioning Data::           Partitioning Data
+* Performance model example::   
+* Theoretical lower bound on execution time::  
+* Insert Task Utility::          
+* More examples::               More examples shipped with StarPU
+* Debugging::                   When things go wrong.
+@end menu
+
 @node Using multiple implementations of a codelet
 @section Using multiple implementations of a codelet
 One may want to write multiple implementations of a codelet for a single type of