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parallel clusters

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This commit is contained in:
Joachim Schöberl 2016-11-20 19:55:17 +01:00
parent 9014669c56
commit 0edd570990
3 changed files with 43 additions and 6 deletions
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41
libsrc/meshing/clusters.cpp
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@ -16,9 +16,11 @@ namespace netgen
;
}
void AnisotropicClusters :: Update()
void AnisotropicClusters :: Update(TaskManager tm)
{
static int timer = NgProfiler::CreateTimer ("clusters");
static int timer1 = NgProfiler::CreateTimer ("clusters1");
static int timer2 = NgProfiler::CreateTimer ("clusters2");
NgProfiler::RegionTimer reg (timer);
const MeshTopology & top = mesh.GetTopology();
@ -46,8 +48,10 @@ namespace netgen
Array<int> nnums, ednums, fanums;
int changed;
NgProfiler::StartTimer(timer1);
/*
for (int i = 1; i <= ne; i++)
{
const Element & el = mesh.VolumeElement(i);
@ -72,8 +76,41 @@ namespace netgen
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
*/
ParallelForRange
(tm, ne,
[&] (size_t begin, size_t end)
{
Array<int> nnums, ednums, fanums;
for (int i = begin+1; i <= end; i++)
{
const Element & el = mesh.VolumeElement(i);
ELEMENT_TYPE typ = el.GetType();
top.GetElementEdges (i, ednums);
top.GetElementFaces (i, fanums);
int elnv = top.GetNVertices (typ);
int elned = ednums.Size();
int elnfa = fanums.Size();
nnums.SetSize(elnv+elned+elnfa+1);
for (int j = 1; j <= elnv; j++)
nnums.Elem(j) = el.PNum(j);
for (int j = 1; j <= elned; j++)
nnums.Elem(elnv+j) = nv+ednums.Elem(j);
for (int j = 1; j <= elnfa; j++)
nnums.Elem(elnv+elned+j) = nv+ned+fanums.Elem(j);
nnums.Elem(elnv+elned+elnfa+1) = nv+ned+nfa+i;
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
});
NgProfiler::StopTimer(timer1);
NgProfiler::StartTimer(timer2);
for (int i = 1; i <= nse; i++)
{
@ -264,7 +301,7 @@ namespace netgen
}
}
while (changed);
NgProfiler::StopTimer(timer2);
/*
(*testout) << "cluster reps:" << endl;
for (i = 1; i <= cluster_reps.Size(); i++)

2
libsrc/meshing/clusters.hpp
View File

@ -27,7 +27,7 @@ public:
AnisotropicClusters (const Mesh & amesh);
~AnisotropicClusters();
void Update();
void Update(TaskManager tm = &DummyTaskManager);
int GetVertexRepresentant (int vnr) const
{ return cluster_reps.Get(vnr); }

2
libsrc/meshing/meshclass.cpp
View File

@ -5670,7 +5670,7 @@ namespace netgen
void Mesh :: UpdateTopology (TaskManager tm)
{
topology->Update(tm);
clusters->Update();
clusters->Update(tm);
#ifdef PARALLEL
if (paralleltop)
{