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parallel Cluster update

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This commit is contained in:
Matthias Hochsteger 2021-05-12 10:56:34 +02:00
parent db494f4239
commit d1ee6efc14
3 changed files with 15 additions and 13 deletions
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24
libsrc/meshing/clusters.cpp
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@ -16,7 +16,7 @@ namespace netgen
;
}
void AnisotropicClusters :: Update(NgTaskManager tm, NgTracer tracer)
void AnisotropicClusters :: Update()
{
static Timer timer("clusters");
// static int timer1 = NgProfiler::CreateTimer ("clusters1");
@ -81,13 +81,14 @@ namespace netgen
cluster_reps.Elem(nnums[j]) = nnums[j];
}
*/
ParallelForRange
(tm, ne,
[&] (size_t begin, size_t end)
ngcore::ParallelForRange
(mesh.VolumeElements().Range(),
[&] (auto myrange)
{
NgArray<int> nnums, ednums, fanums;
for (int i = begin+1; i <= end; i++)
for (int i_ : myrange)
{
int i = i_+1;
const Element & el = mesh.VolumeElement(i);
ELEMENT_TYPE typ = el.GetType();
@ -110,7 +111,7 @@ namespace netgen
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
});
}, ngcore::TasksPerThread(4));
// NgProfiler::StopTimer(timer1);
// NgProfiler::StartTimer(timer2);
@ -137,13 +138,14 @@ namespace netgen
cluster_reps.Elem(nnums[j]) = nnums[j];
}
*/
ParallelForRange
(tm, nse,
[&] (size_t begin, size_t end)
ngcore::ParallelForRange
(mesh.SurfaceElements().Range(),
[&] (auto myrange)
{
NgArrayMem<int,9> nnums, ednums;
for (int i = begin+1; i <= end; i++)
for (int i_ : myrange)
{
int i = i_+1;
const Element2d & el = mesh.SurfaceElement(i);
ELEMENT_TYPE typ = el.GetType();
@ -163,7 +165,7 @@ namespace netgen
for (int j = 0; j < nnums.Size(); j++)
cluster_reps.Elem(nnums[j]) = nnums[j];
}
});
}, ngcore::TasksPerThread(4));
// NgProfiler::StopTimer(timer2);

2
libsrc/meshing/clusters.hpp
View File

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

2
libsrc/meshing/meshclass.cpp
View File

@ -6706,7 +6706,7 @@ namespace netgen
static Timer t("Update Topology"); RegionTimer reg(t);
topology.Update(tm, tracer);
(*tracer)("call update clusters", false);
clusters->Update(tm, tracer);
clusters->Update();
(*tracer)("call update clusters", true);
#ifdef PARALLEL
if (paralleltop)