// Author : Paul RASCLE, EDF
// Module : SMESH
//
-
//#define CHRONODEF
-
+//
#include "SMESH_Gen.hxx"
-#include "DriverMesh.hxx"
+#include "SMESH_DriverMesh.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMESHDS_Document.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_SequentialMesh.hxx"
+#include "SMESH_ParallelMesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include <TopoDS_Iterator.hxx>
#include "memoire.h"
-#include <chrono>
#include <functional>
#ifdef WIN32
#include <Basics_Utils.hxx>
+#ifndef WIN32
+#include <boost/asio.hpp>
+#endif
+
using namespace std;
+#ifndef WIN32
#include <boost/filesystem.hpp>
-#include <boost/asio.hpp>
namespace fs = boost::filesystem;
+#endif
// Environment variable separator
#ifdef WIN32
Unexpect aCatch(SalomeException);
// create a new SMESH_mesh object
- SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
+ SMESH_Mesh *aMesh = new SMESH_SequentialMesh(
+ _localId++,
this,
theIsEmbeddedMode,
_studyContext->myDocument);
return aMesh;
}
+//=============================================================================
+/*!
+ * Creates a parallel mesh in a study.
+ * if (theIsEmbeddedMode) { mesh modification commands are not logged }
+ */
+//=============================================================================
+
+SMESH_Mesh* SMESH_Gen::CreateParallelMesh(bool theIsEmbeddedMode)
+{
+ Unexpect aCatch(SalomeException);
+
+ // create a new SMESH_mesh object
+ SMESH_Mesh *aMesh = new SMESH_ParallelMesh(
+ _localId++,
+ this,
+ theIsEmbeddedMode,
+ _studyContext->myDocument);
+ _studyContext->mapMesh[_localId-1] = aMesh;
+
+ return aMesh;
+}
+
+//=============================================================================
+/*!
+ * Algo to run the computation of all the submeshes of a mesh in sequentila
+ */
+//=============================================================================
+
+bool SMESH_Gen::sequentialComputeSubMeshes(
+ SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const ::MeshDimension aDim,
+ TSetOfInt* aShapesId /*=0*/,
+ TopTools_IndexedMapOfShape* allowedSubShapes,
+ SMESH_subMesh::compute_event &computeEvent,
+ const bool includeSelf,
+ const bool complexShapeFirst,
+ const bool aShapeOnly)
+{
+ MESSAGE("Compute submeshes sequentialy");
+
+ bool ret = true;
+
+ SMESH_subMeshIteratorPtr smIt;
+ SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
+
+ smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
+
+ // do not mesh vertices of a pseudo shape
+ const TopoDS_Shape& shape = smToCompute->GetSubShape();
+ const TopAbs_ShapeEnum shapeType = shape.ShapeType();
+ if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
+ continue;
+
+ // check for preview dimension limitations
+ if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
+ {
+ // clear compute state not to show previous compute errors
+ // if preview invoked less dimension less than previous
+ smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ continue;
+ }
+
+ if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
+ {
+ if (_compute_canceled)
+ return false;
+ smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
+ setCurrentSubMesh( smToCompute );
+ smToCompute->ComputeStateEngine( computeEvent );
+ setCurrentSubMesh( nullptr );
+ smToCompute->SetAllowedSubShapes( nullptr );
+ }
+
+ // we check all the sub-meshes here and detect if any of them failed to compute
+ if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
+ ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
+ ret = false;
+ else if ( aShapesId )
+ aShapesId->insert( smToCompute->GetId() );
+ }
+ //aMesh.GetMeshDS()->Modified();
+ return ret;
+
+};
+
//=============================================================================
/*
- * Parallel compute of a submesh
- * This function is used to pass to thread_pool
+ * compute of a submesh
+ * This function is passed to the thread pool
*/
//=============================================================================
-const std::function<void(int,
- SMESH_subMesh*,
+const std::function<void(SMESH_subMesh*,
SMESH_subMesh::compute_event,
SMESH_subMesh*,
bool,
TopTools_IndexedMapOfShape *,
TSetOfInt*)>
- compute_function([&] (int id,
- SMESH_subMesh* sm,
+ compute_function([] (SMESH_subMesh* sm,
SMESH_subMesh::compute_event event,
SMESH_subMesh *shapeSM,
bool aShapeOnly,
sm->SetAllowedSubShapes( nullptr );
}
- // TODO: Check if this is necessary
if ( aShapesId )
aShapesId->insert( sm->GetId() );
});
+
+//=============================================================================
+/*!
+ * Algo to run the computation of all the submeshes of a mesh in parallel
+ */
+//=============================================================================
+
+bool SMESH_Gen::parallelComputeSubMeshes(
+ SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const ::MeshDimension aDim,
+ TSetOfInt* aShapesId /*=0*/,
+ TopTools_IndexedMapOfShape* allowedSubShapes,
+ SMESH_subMesh::compute_event &computeEvent,
+ const bool includeSelf,
+ const bool complexShapeFirst,
+ const bool aShapeOnly)
+{
+#ifdef WIN32
+ throw SALOME_Exception("ParallelMesh is not working on Windows");
+#else
+
+ bool ret = true;
+
+ SMESH_subMeshIteratorPtr smIt;
+ SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
+
+ TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
+ int nbThreads = aMesh.GetNbThreads();
+ MESSAGE("Compute submeshes with threads: " << nbThreads);
+
+
+ smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
+
+ // do not mesh vertices of a pseudo shape
+ const TopoDS_Shape& shape = smToCompute->GetSubShape();
+ const TopAbs_ShapeEnum shapeType = shape.ShapeType();
+ // Not doing in parallel 1D and 2D meshes
+ if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
+ continue;
+ if(shapeType==TopAbs_FACE||shapeType==TopAbs_EDGE)
+ aMesh.SetNbThreads(0);
+ else
+ aMesh.SetNbThreads(nbThreads);
+
+
+ if (shapeType != previousShapeType) {
+ // Waiting for all threads for the previous type to end
+ aMesh.wait();
+
+ std::string file_name;
+ switch(previousShapeType){
+ case TopAbs_FACE:
+ file_name = "Mesh2D.med";
+ break;
+ case TopAbs_EDGE:
+ file_name = "Mesh1D.med";
+ break;
+ case TopAbs_VERTEX:
+ file_name = "Mesh0D.med";
+ break;
+ case TopAbs_SOLID:
+ default:
+ file_name = "";
+ break;
+ }
+ if(file_name != "")
+ {
+ fs::path mesh_file = fs::path(aMesh.GetTmpFolder()) / fs::path(file_name);
+ SMESH_DriverMesh::exportMesh(mesh_file.string(), aMesh, "MESH");
+ }
+ //Resetting threaded pool info
+ previousShapeType = shapeType;
+ }
+
+ // check for preview dimension limitations
+ if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
+ {
+ // clear compute state not to show previous compute errors
+ // if preview invoked less dimension less than previous
+ smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ continue;
+ }
+ boost::asio::post(*(aMesh.GetPool()), std::bind(compute_function, smToCompute, computeEvent,
+ shapeSM, aShapeOnly, allowedSubShapes,
+ aShapesId));
+ }
+
+ // Waiting for the thread for Solids to finish
+ aMesh.wait();
+
+ aMesh.GetMeshDS()->Modified();
+
+ return ret;
+#endif
+};
+
//=============================================================================
/*
* Compute a mesh
const bool complexShapeFirst = true;
const int globalAlgoDim = 100;
- // Pool of thread for computation
- if(aMesh.IsParallel())
- aMesh.InitPoolThreads();
-
SMESH_subMeshIteratorPtr smIt;
// Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
// ===============================================
// Mesh all the sub-shapes starting from vertices
// ===============================================
-
- TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
- int nbThreads = aMesh.GetNbThreads();
- auto begin = std::chrono::high_resolution_clock::now();
- std::cout << "Running mesh with threads: " << nbThreads << " mesher: " << aMesh.GetMesherNbThreads() << std::endl;
-
-
- smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
- while ( smIt->more() )
- {
- SMESH_subMesh* smToCompute = smIt->next();
-
- // do not mesh vertices of a pseudo shape
- const TopoDS_Shape& shape = smToCompute->GetSubShape();
- const TopAbs_ShapeEnum shapeType = shape.ShapeType();
- if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
- continue;
- if(shapeType==TopAbs_FACE||shapeType==TopAbs_EDGE)
- aMesh.SetNbThreads(0);
- else
- aMesh.SetNbThreads(nbThreads);
- //DEBUG std::cout << "Shape Type" << shapeType << " previous" << previousShapeType << std::endl;
- if ((aMesh.IsParallel()||nbThreads!=0) && shapeType != previousShapeType) {
- // Waiting for all threads for the previous type to end
- aMesh.wait();
-
- std::string file_name;
- switch(previousShapeType){
- case TopAbs_FACE:
- file_name = "Mesh2D.med";
- break;
- case TopAbs_EDGE:
- file_name = "Mesh1D.med";
- break;
- case TopAbs_VERTEX:
- file_name = "Mesh0D.med";
- break;
- case TopAbs_SOLID:
- default:
- file_name = "";
- break;
- }
- if(file_name != "")
- {
- fs::path mesh_file = fs::path(aMesh.tmp_folder) / fs::path(file_name);
- // TODO: change mesh name
- export_mesh(mesh_file.string(), aMesh, "Maillage_1");
-
- }
- //Resetting threaded pool info
- previousShapeType = shapeType;
- }
-
- // check for preview dimension limitations
- if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
- {
- // clear compute state not to show previous compute errors
- // if preview invoked less dimension less than previous
- smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
- continue;
- }
- if(aMesh.IsParallel())
- {
- boost::asio::post(*(aMesh._pool), std::bind(compute_function, 1, smToCompute, computeEvent,
- shapeSM, aShapeOnly, allowedSubShapes,
- aShapesId));
- } else {
- auto begin2 = std::chrono::high_resolution_clock::now();
-
- compute_function(1 ,smToCompute, computeEvent,
- shapeSM, aShapeOnly, allowedSubShapes,
- aShapesId);
-
- if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
- ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
- ret = false;
- else if ( aShapesId )
- aShapesId->insert( smToCompute->GetId() );
- }
- }
-
- // TODO: Check error handling in parallel mode
- if(aMesh.IsParallel()){
- // Waiting for the thread for Solids to finish
- aMesh.wait();
- }
-
- aMesh.GetMeshDS()->Modified();
- auto end = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
- std::cout << "Time for All: " << elapsed.count()*1e-9 << std::endl;
-
- // Pool of thread for computation
- if(aMesh.IsParallel())
- aMesh.DeletePoolThreads();
+ ret = aMesh.ComputeSubMeshes(
+ this,
+ aMesh, aShape, aDim,
+ aShapesId, allowedSubShapes,
+ computeEvent,
+ includeSelf,
+ complexShapeFirst,
+ aShapeOnly);
return ret;
}
// the most complex shapes and collect sub-meshes with algos that
// DO support sub-meshes
// ================================================================
- auto begin = std::chrono::high_resolution_clock::now();
list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
// map to sort sm with same dim algos according to dim of
continue;
sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
setCurrentSubMesh( sm );
- auto begin = std::chrono::high_resolution_clock::now();
sm->ComputeStateEngine( computeEvent );
- auto end = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
- std::cout << "Time for seq:alldim:compute: " << elapsed.count()*1e-9 << std::endl;
setCurrentSubMesh( NULL );
sm->SetAllowedSubShapes( nullptr );
// mesh the rest sub-shapes starting from vertices
// -----------------------------------------------
ret = Compute( aMesh, aShape, aFlags | UPWARD, aDim, aShapesId, allowedSubShapes );
- auto end = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
- std::cout << "Time for All: " << elapsed.count()*1e-9 << std::endl;
}
