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Commit 31c9ff1a authored by Sylvain Thery's avatar Sylvain Thery
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ajout de la parallelisation: 

multithreading des algos
parallelisation des foreach
parent 1b96b9f3
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Apps/Tuto/CMakeLists.txt
View file @ 31c9ff1a
......@@ -4,6 +4,8 @@ project(Tutos)
#SET (COMMON_LIBS ${GLUT_LIBRARY} ${OPENGL_LIBRARY} ${GLEW_LIBRARY} ${DEVIL_LIBRARIES} ${ZLIB_LIBRARIES} ${LIBXML2_LIBRARIES} gzstream AntTweakBar openctm)
#SET (CMAKE_BUILD_TYPE Debug)
SET(CMAKE_BUILD_TYPE Release)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNOTOPOWARNING")
......@@ -49,3 +51,8 @@ target_link_libraries( tuto_subdivision
add_executable( tp_master tp_master.cpp)
target_link_libraries( tp_master
container topology utils algo ${COMMON_LIBS} )
add_executable( tuto_mt tuto_mt.cpp)
target_link_libraries( tuto_mt
# containerD topologyD utilsD algoD ${COMMON_LIBS} boost_thread)
container topology utils algo ${COMMON_LIBS} boost_thread)
Apps/Tuto/tuto_mt.cpp 0 → 100644
View file @ 31c9ff1a
This diff is collapsed.
include/Algo/Geometry/area.h
View file @ 31c9ff1a
......@@ -41,7 +41,7 @@ template <typename PFP>
typename PFP::REAL convexFaceArea(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position);
template <typename PFP>
typename PFP::REAL totalArea(typename PFP::MAP& map, const typename PFP::TVEC3& position, const FunctorSelect& select = SelectorTrue()) ;
typename PFP::REAL totalArea(typename PFP::MAP& map, const typename PFP::TVEC3& position, const FunctorSelect& select = SelectorTrue(), unsigned int th=0) ;
template <typename PFP>
void computeAreaFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TREAL& face_area, const FunctorSelect& select = SelectorTrue()) ;
......
include/Algo/Geometry/area.hpp
View file @ 31c9ff1a
......@@ -68,10 +68,10 @@ typename PFP::REAL convexFaceArea(typename PFP::MAP& map, Dart d, const typename
}
template <typename PFP>
typename PFP::REAL totalArea(typename PFP::MAP& map, const typename PFP::TVEC3& position, const FunctorSelect& select)
typename PFP::REAL totalArea(typename PFP::MAP& map, const typename PFP::TVEC3& position, const FunctorSelect& select, unsigned int th)
{
float area = 0.0f ;
DartMarker mark(map) ;
DartMarker mark(map,th) ;
for(Dart d = map.begin(); d != map.end(); map.next(d))
{
if(select(d) && !mark.isMarked(d))
......
include/Algo/Geometry/inclusion.h
View file @ 31c9ff1a
......@@ -46,7 +46,7 @@ namespace Geometry
* @param true if the faces of the volume must be in CCW order (default=true)
*/
template <typename PFP>
bool isConvex(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& positions, bool CCW);
bool isConvex(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& positions, bool CCW, unsigned int thread=0);
/**
* test if a point is inside a volume
......
include/Algo/Geometry/inclusion.hpp
View file @ 31c9ff1a
......@@ -39,12 +39,12 @@ namespace Geometry
{
template <typename PFP>
bool isConvex(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& positions, bool CCW)
bool isConvex(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& positions, bool CCW, unsigned int thread)
{
//get all the dart of the volume
std::vector<Dart> vStore;
FunctorStore fs(vStore);
map.foreach_dart_of_volume(d, fs);
map.foreach_dart_of_volume(d, fs,thread);
bool convex = true;
......
include/Algo/Geometry/normal.h
View file @ 31c9ff1a
......@@ -46,10 +46,18 @@ template <typename PFP>
typename PFP::VEC3 vertexNormal(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position);
template <typename PFP>
void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_normal, const FunctorSelect& select = SelectorTrue()) ;
void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_normal, const FunctorSelect& select = SelectorTrue(), unsigned int thread=0) ;
/**
* compute normals of vertices
* @param map the map on which we work
* @param position the position of vertices attribute handler
* @param normal the normal handler in which the result will be stored
* @param the selector
* @ param th the thread number
*/
template <typename PFP>
void computeNormalVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& normal, const FunctorSelect& select = SelectorTrue()) ;
void computeNormalVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& normal, const FunctorSelect& select = SelectorTrue(), unsigned int thread=0) ;
} // namespace Geometry
......
include/Algo/Geometry/normal.hpp
View file @ 31c9ff1a
......@@ -95,9 +95,9 @@ typename PFP::VEC3 vertexNormal(typename PFP::MAP& map, Dart d, const typename P
}
template <typename PFP>
void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_normal, const FunctorSelect& select)
void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_normal, const FunctorSelect& select, unsigned int thread)
{
CellMarker marker(map, FACE_CELL);
CellMarker marker(map, FACE_CELL,thread);
for(Dart d = map.begin(); d != map.end(); map.next(d))
{
if(select(d) && !marker.isMarked(d))
......@@ -109,9 +109,9 @@ void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& posit
}
template <typename PFP>
void computeNormalVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& normal, const FunctorSelect& select)
void computeNormalVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& normal, const FunctorSelect& select, unsigned int thread)
{
CellMarker marker(map, VERTEX_CELL);
CellMarker marker(map, VERTEX_CELL,thread);
for(Dart d = map.begin(); d != map.end(); map.next(d))
{
if(select(d) && !marker.isMarked(d))
......
include/Algo/Parallel/parallel_foreach.h 0 → 100644
View file @ 31c9ff1a
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009, IGG Team, LSIIT, University of Strasbourg *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your *
* option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
* Web site: https://iggservis.u-strasbg.fr/CGoGN/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#include "Topology/generic/functor.h"
#ifndef __PARALLEL_FOREACH__
#define __PARALLEL_FOREACH__
namespace CGoGN
{
namespace Algo
{
namespace Parallel
{
/**
* Traverse orbits of a map in parallel. Use topological marker
* Functor application must be independant
* @param map the map
* @param orbit the orbit (VERTEX_ORBIT/EDGE_ORBIT/FACE_ORBIT/..
* @param func the functor to apply
* @param nbth number of thread to use ((use twice as threads of processor)
* @param szbuff size of buffers to store darts in each thread (default is 8192, use less for lower memory consumsion)
* @param good a selector
*/
template <typename PFP>
void foreach_orbit(typename PFP::MAP& map, unsigned int orbit, FunctorType& func, unsigned int nbth, unsigned int szbuff=8192, const FunctorSelect& good= SelectorTrue());
/**
* Traverse cells of a map in parallel. Use embedding marker
* Functor application must be independant
* @param map the map
* @param orbit the cell (VERTEX_CELL/EDGE_CELL/FACE_CELL/..
* @param func the functor to apply
* @param nbth number of thread to use (use twice as threads of processor)
* @param szbuff size of buffers to store darts in each thread (default is 8192, use less for lower memory consumsion)
* @param good a selector
*/
template <typename PFP>
void foreach_cell(typename PFP::MAP& map, unsigned int cell, FunctorType& func, unsigned int nbth, unsigned int szbuff=8192, const FunctorSelect& good= SelectorTrue());
}
} // end namespace
}
#include "Algo/Parallel/parallel_foreach.hpp"
#endif
include/Algo/Parallel/parallel_foreach.hpp 0 → 100644
View file @ 31c9ff1a
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009, IGG Team, LSIIT, University of Strasbourg *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your *
* option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
* Web site: https://iggservis.u-strasbg.fr/CGoGN/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#include <boost/thread.hpp>
#include <boost/thread/barrier.hpp>
namespace CGoGN
{
namespace Algo
{
namespace Parallel
{
class ThreadFunctor
{
protected:
FunctorType& m_functor;
const std::vector<Dart>& m_darts;
boost::barrier& m_sync1;
boost::barrier& m_sync2;
bool& m_finished;
public:
ThreadFunctor(FunctorType& func, const std::vector<Dart>& vd, boost::barrier& s1, boost::barrier& s2, bool& finished):
m_functor(func), m_darts(vd), m_sync1(s1), m_sync2(s2), m_finished(finished) {}
void operator()()
{
while (!m_finished)
{
for (std::vector<Dart>::const_iterator it = m_darts.begin(); it != m_darts.end(); ++it)
m_functor(*it);
m_sync1.wait();
m_sync2.wait();
}
}
};
/**
* Traverse orbits of a map in parallel. Use topological marker
* Functor application must be independant
* @param map the map
* @param orbit the orbit (VERTEX_ORBIT/EDGE_ORBIT/FACE_ORBIT/..
* @param func the functor to apply
* @param nbth number of thread to use ((use twice as threads of processor)
* @param szbuff size of buffers to store darts in each thread (default is 8192, use less for lower memory consumsion)
* @param good a selector
*/
template <typename PFP>
void foreach_orbit(typename PFP::MAP& map, unsigned int orbit, FunctorType& func, unsigned int nbth, unsigned int szbuff, const FunctorSelect& good)
{
std::vector<Dart> vd[nbth];
boost::thread* threads[nbth];
DartMarker dm(map);
Dart d=map.begin();
// nbth new functions, new thread (with good darts !)
for (unsigned int i=0; i<nbth; ++i)
vd[i].reserve(szbuff);
// fill each vd buffers with 4096 darts
unsigned int nb =0;
while (( d != map.end()) && (nb < nbth*szbuff) )
{
if (good(d) && (!dm.isMarked(d)))
{
dm.markOrbit(orbit,d);
vd[nb%nbth].push_back(d);
nb++;
}
map.next(d);
}
boost::barrier sync1(nbth+1);
boost::barrier sync2(nbth+1);
bool finished=false;
// lauch threads
for (unsigned int i=0; i<nbth; ++i)
threads[i] = new boost::thread(ThreadFunctor(func, vd[i],sync1,sync2, finished));
// and continue to traverse the map
std::vector<Dart> tempo[nbth];
for (unsigned int i=0; i<nbth; ++i)
tempo[i].reserve(szbuff);
while ( d != map.end())
{
for (unsigned int i=0; i<nbth; ++i)
tempo[i].clear();
unsigned int nb =0;
while (( d != map.end()) && (nb < nbth*szbuff) )
{
if (good(d) && (!dm.isMarked(d)))
{
dm.markOrbit(orbit,d);
tempo[nb%nbth].push_back(d);
nb++;
}
map.next(d);
}
sync1.wait();
for (unsigned int i=0; i<nbth; ++i)
vd[i].swap(tempo[i]);
sync2.wait();
}
sync1.wait();
finished = true;
sync2.wait();
//wait for all theads to be finished
for (unsigned int i=0; i< nbth; ++i)
{
threads[i]->join();
delete threads[i];
}
}
/**
* Traverse cells of a map in parallel. Use embedding marker
* Functor application must be independant
* @param map the map
* @param orbit the cell (VERTEX_CELL/EDGE_CELL/FACE_CELL/..
* @param func the functor to apply
* @param nbth number of thread to use (use twice as threads of processor)
* @param szbuff size of buffers to store darts in each thread (default is 8192, use less for lower memory consumsion)
* @param good a selector
*/
template <typename PFP>
void foreach_cell(typename PFP::MAP& map, unsigned int cell, FunctorType& func, unsigned int nbth, unsigned int szbuff, const FunctorSelect& good)
{
std::vector<Dart> vd[nbth];
boost::thread* threads[nbth];
CellMarker cm(map,cell);
Dart d=map.begin();
// nbth new functions, new thread (with good darts !)
for (unsigned int i=0; i<nbth; ++i)
vd[i].reserve(szbuff);
// fill each vd buffers with 4096 darts
unsigned int nb =0;
while (( d != map.end()) && (nb < nbth*szbuff) )
{
if (good(d) && (!cm.isMarked(d)))
{
cm.mark(d);
vd[nb%nbth].push_back(d);
nb++;
}
map.next(d);
}
boost::barrier sync1(nbth+1);
boost::barrier sync2(nbth+1);
bool finished=false;
// lauch threads
for (unsigned int i=0; i<nbth; ++i)
threads[i] = new boost::thread(ThreadFunctor(func, vd[i],sync1,sync2, finished));
// and continue to traverse the map
std::vector<Dart> tempo[nbth];
for (unsigned int i=0; i<nbth; ++i)
tempo[i].reserve(szbuff);
while ( d != map.end())
{
for (unsigned int i=0; i<nbth; ++i)
tempo[i].clear();
unsigned int nb =0;
while (( d != map.end()) && (nb < nbth*szbuff) )
{
if (good(d) && (!cm.isMarked(d)))
{
cm.mark(d);
tempo[nb%nbth].push_back(d);
nb++;
}
map.next(d);
}
sync1.wait();
for (unsigned int i=0; i<nbth; ++i)
vd[i].swap(tempo[i]);
sync2.wait();
}
sync1.wait();
finished = true;
sync2.wait();
//wait for all theads to be finished
for (unsigned int i=0; i< nbth; ++i)
{
threads[i]->join();
delete threads[i];
}
}
}
} // end namespace
}
include/Algo/Render/vbo_MapRender.h
View file @ 31c9ff1a
......@@ -161,31 +161,31 @@ public:
* @param tableIndices the table where indices are stored
*/
template <typename PFP>
void initTriangles(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices) ;
void initTriangles(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
template <typename PFP>
void initTrianglesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices) ;
void initTrianglesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
/**
* creation of indices table of lines (optimized order)
* @param tableIndices the table where indices are stored
*/
template <typename PFP>
void initLines(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices) ;
void initLines(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
template <typename PFP>
void initLinesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices) ;
void initLinesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
/**
* creation of indices table of points
* @param tableIndices the table where indices are stored
*/
template <typename PFP>
void initPoints(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices) ;
void initPoints(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
/**
* creation of VBO for flat faces rendering
*/
template <typename PFP>
void initFlatTriangles(typename PFP::MAP& map, const FunctorSelect& good);
void initFlatTriangles(typename PFP::MAP& map, const FunctorSelect& good, unsigned int thread=0);
/**
* initialization of the VBO indices primitives
......@@ -193,7 +193,7 @@ public:
* @param prim primitive to draw: VBO_TRIANGLES, VBO_LINES
*/
template <typename PFP>
void initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized = true) ;
void initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized = true, unsigned int thread=0) ;
/**
* initialization of the VBO indices primitives
......
include/Algo/Render/vbo_MapRender.hpp
View file @ 31c9ff1a
......@@ -141,9 +141,9 @@ inline void MapRender_VBO::addTri(typename PFP::MAP& map, Dart d, std::vector<GL
}
template<typename PFP>
void MapRender_VBO::initTriangles(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices)
void MapRender_VBO::initTriangles(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
DartMarker m(map);
DartMarker m(map,thread);
tableIndices.reserve(4*map.getNbDarts()/3);
for(Dart dd = map.begin(); dd != map.end(); map.next(dd))
......@@ -157,10 +157,10 @@ void MapRender_VBO::initTriangles(typename PFP::MAP& map, const FunctorSelect& g
}
template<typename PFP>
void MapRender_VBO::initTrianglesOptimized(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices)
void MapRender_VBO::initTrianglesOptimized(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
#define LIST_SIZE 20
DartMarker m(map);
DartMarker m(map,thread);
// reserve memory for triangles ( nb indices == nb darts )
// and a little bit more
// if lots of polygonal faces, realloc is done by vector
......@@ -213,9 +213,9 @@ void MapRender_VBO::initTrianglesOptimized(typename PFP::MAP& map, const Functor
}
template<typename PFP>
void MapRender_VBO::initLines(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices)
void MapRender_VBO::initLines(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
DartMarker m(map);
DartMarker m(map,thread);
tableIndices.reserve(map.getNbDarts());
for(Dart d = map.begin(); d != map.end(); map.next(d))
......@@ -230,10 +230,12 @@ void MapRender_VBO::initLines(typename PFP::MAP& map, const FunctorSelect& good,
}
template<typename PFP>
void MapRender_VBO::initLinesOptimized(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices)
void MapRender_VBO::initLinesOptimized(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
#define LIST_SIZE 20
DartMarker m(map);
DartMarker m(map,thread);
// reserve memory for edges indices ( nb indices == nb darts)
tableIndices.reserve(map.getNbDarts());
......@@ -278,9 +280,9 @@ void MapRender_VBO::initLinesOptimized(typename PFP::MAP& map, const FunctorSele
}
template<typename PFP>
void MapRender_VBO::initPoints(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices)
void MapRender_VBO::initPoints(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
CellMarker m(map, VERTEX_ORBIT) ;
CellMarker m(map, VERTEX_ORBIT,thread) ;
tableIndices.reserve(map.getNbDarts()/5);
for(Dart d = map.begin(); d != map.end(); map.next(d))
......@@ -294,7 +296,7 @@ void MapRender_VBO::initPoints(typename PFP::MAP& map, const FunctorSelect& good
}
template<typename PFP>
void MapRender_VBO::initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized)
void MapRender_VBO::initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized, unsigned int thread)
{
std::vector<GLuint> tableIndices;
......@@ -303,27 +305,27 @@ void MapRender_VBO::initPrimitives(typename PFP::MAP& map, const FunctorSelect&
switch(prim)
{
case FLAT_TRIANGLES:
initFlatTriangles<PFP>(map,good);
initFlatTriangles<PFP>(map,good,thread);
break;
case TRIANGLES:
if(optimized)
initTrianglesOptimized<PFP>(map,good,tableIndices);
initTrianglesOptimized<PFP>(map,good,tableIndices,thread);
else
initTriangles<PFP>(map,good,tableIndices) ;
initTriangles<PFP>(map,good,tableIndices,thread) ;
m_nbIndicesTri = tableIndices.size();
vbo_ind = m_VBOBuffers[TRIANGLE_INDICES];
break;
case LINES:
if(optimized)
initLinesOptimized<PFP>(map,good,tableIndices);
initLinesOptimized<PFP>(map,good,tableIndices,thread);
else
initLines<PFP>(map,good,tableIndices) ;
initLines<PFP>(map,good,tableIndices,thread) ;
m_nbIndicesLines = tableIndices.size();
vbo_ind = m_VBOBuffers[LINE_INDICES];
break;
case POINTS:
initPoints<PFP>(map,good,tableIndices);
initPoints<PFP>(map,good,tableIndices,thread);
m_nbIndicesPoints = tableIndices.size();
vbo_ind = m_VBOBuffers[POINT_INDICES];
break;
......@@ -342,7 +344,7 @@ void MapRender_VBO::initPrimitives(typename PFP::MAP& map, const FunctorSelect&
template<typename PFP>
void MapRender_VBO::initFlatTriangles(typename PFP::MAP& map, const FunctorSelect& good)