Chombo + EB: EBEllipticLoadBalance.H Source File

00001 #ifdef CH_LANG_CC
00002 /*
00003  *      _______              __
00004  *     / ___/ /  ___  __ _  / /  ___
00005  *    / /__/ _ \/ _ \/  V \/ _ \/ _ \
00006  *    \___/_//_/\___/_/_/_/_.__/\___/
00007  *    Please refer to Copyright.txt, in Chombo's root directory.
00008  */
00009 #endif
00010 
00011 #ifndef _EBELLIPTICLOADBALANCE_H_
00012 #define _EBELLIPTICLOADBALANCE_H_
00013 
00014 #include "Box.H"
00015 #include "ProblemDomain.H"
00016 #include "Vector.H"
00017 #include "REAL.H"
00018 #include "EBIndexSpace.H"
00019 #include "NamespaceHeader.H"
00020 
00021 class DisjointBoxLayout;
00022 ///
00023 /**
00024     Load balance a Vector of Boxes.
00025     We  make the loads bases on a few ad hoc ideas.
00026     we shall make fully covered boxes = constant load = covered load
00027     we shall say that irregular points get irregular factor more load than
00028     regular points.
00029  */
00030 extern int
00031 EBEllipticLoadBalance(Vector<int>&          a_proc,
00032                       const Vector<Box>&    a_boxes,
00033                       const ProblemDomain&  a_domain,
00034                       bool                  a_verbose = false,
00035                       const EBIndexSpace *a_ebisPtr = Chombo_EBIS::instance() );
00036 
00037 ///
00038 /**
00039  */
00040 extern void
00041 getPoissonLoadsAndBoxes(Vector<unsigned long long>&  a_loads,
00042                         Vector<Box> &                a_boxes,
00043                         const DisjointBoxLayout&     a_dblOrig,
00044                         const ProblemDomain&         a_domain,
00045                         const EBIndexSpace *a_ebisPtr = Chombo_EBIS::instance() );
00046 
00047 extern void
00048 resetLoadOrder(Vector<unsigned long long>&  a_loads,
00049                Vector<Box>&                 a_newBoxes,
00050                Vector<Box>&                 a_oldBoxes);
00051 
00052 #include "NamespaceFooter.H"
00053 #endif