mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-26 05:50:32 +05:00
parallel main loop in FindOpenElements
This commit is contained in:
Joachim Schöberl
parent
656b0e0539
commit
b867caf01c
@ -1591,6 +1591,8 @@ namespace netgen
|
||||
|
||||
void Mesh :: BuildBoundaryEdges(void)
|
||||
{
|
||||
static Timer t("Mesh::BuildBoundaryEdges"); RegionTimer reg(t);
|
||||
|
||||
// delete boundaryedges;
|
||||
|
||||
boundaryedges = make_unique<INDEX_2_CLOSED_HASHTABLE<int>>
|
||||
@ -1869,6 +1871,8 @@ namespace netgen
|
||||
void Mesh :: FindOpenElements (int dom)
|
||||
{
|
||||
static Timer t("Mesh::FindOpenElements"); RegionTimer reg (t);
|
||||
static Timer t_table("Mesh::FindOpenElements - build table");
|
||||
static Timer t_pointloop("Mesh::FindOpenElements - pointloop");
|
||||
|
||||
int np = GetNP();
|
||||
int ne = GetNE();
|
||||
@ -1877,7 +1881,7 @@ namespace netgen
|
||||
NgArray<int,PointIndex::BASE> numonpoint(np);
|
||||
|
||||
numonpoint = 0;
|
||||
|
||||
t_table.Start();
|
||||
for (ElementIndex ei = 0; ei < ne; ei++)
|
||||
{
|
||||
const Element & el = (*this)[ei];
|
||||
@ -1914,12 +1918,12 @@ namespace netgen
|
||||
elsonpoint.Add (el[j], ei);
|
||||
}
|
||||
}
|
||||
t_table.Stop();
|
||||
|
||||
|
||||
NgArray<char, 1> hasface(GetNFD());
|
||||
NgArray<bool, 1> hasface(GetNFD());
|
||||
|
||||
int i;
|
||||
for (i = 1; i <= GetNFD(); i++)
|
||||
for (int i = 1; i <= GetNFD(); i++)
|
||||
{
|
||||
int domin = GetFaceDescriptor(i).DomainIn();
|
||||
int domout = GetFaceDescriptor(i).DomainOut();
|
||||
@ -1988,25 +1992,26 @@ namespace netgen
|
||||
}
|
||||
|
||||
|
||||
int ii;
|
||||
PointIndex pi;
|
||||
SurfaceElementIndex sei;
|
||||
// PointIndex pi;
|
||||
// SurfaceElementIndex sei;
|
||||
// Element2d hel;
|
||||
|
||||
struct tval { int index; PointIndex p4; };
|
||||
INDEX_3_CLOSED_HASHTABLE<tval> faceht(100);
|
||||
openelements.SetSize(0);
|
||||
|
||||
// for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
||||
t_pointloop.Start();
|
||||
|
||||
/*
|
||||
INDEX_3_CLOSED_HASHTABLE<tval> faceht(100);
|
||||
|
||||
for (PointIndex pi : points.Range())
|
||||
if (selsonpoint[pi].Size()+elsonpoint[pi].Size())
|
||||
{
|
||||
faceht.SetSize (2 * selsonpoint[pi].Size() + 4 * elsonpoint[pi].Size());
|
||||
|
||||
NgFlatArray<SurfaceElementIndex> row = selsonpoint[pi];
|
||||
for (ii = 0; ii < row.Size(); ii++)
|
||||
for (SurfaceElementIndex sei : selsonpoint[pi])
|
||||
{
|
||||
Element2d hel = SurfaceElement(row[ii]);
|
||||
Element2d hel = SurfaceElement(sei);
|
||||
if (hel.GetType() == TRIG6) hel.SetType(TRIG);
|
||||
int ind = hel.GetIndex();
|
||||
|
||||
@ -2017,12 +2022,6 @@ namespace netgen
|
||||
if (hel.PNum(1) == pi)
|
||||
{
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
/*
|
||||
INDEX_2 i2 (GetFaceDescriptor(ind).DomainIn(),
|
||||
(hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel.PNum(4));
|
||||
*/
|
||||
tval i2;
|
||||
i2.index = GetFaceDescriptor(ind).DomainIn();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
@ -2039,27 +2038,19 @@ namespace netgen
|
||||
if (hel.PNum(1) == pi)
|
||||
{
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
/*
|
||||
INDEX_2 i2 (GetFaceDescriptor(ind).DomainOut(),
|
||||
(hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::BASE-1)
|
||||
: hel.PNum(4));
|
||||
*/
|
||||
tval i2;
|
||||
i2.index = GetFaceDescriptor(ind).DomainOut();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel.PNum(4);
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel.PNum(4);
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
NgFlatArray<ElementIndex> rowel = elsonpoint[pi];
|
||||
for (ii = 0; ii < rowel.Size(); ii++)
|
||||
for (ElementIndex ei : elsonpoint[pi])
|
||||
{
|
||||
const Element & el = VolumeElement(rowel[ii]);
|
||||
const Element & el = VolumeElement(ei);
|
||||
|
||||
if (dom == 0 || el.GetIndex() == dom)
|
||||
{
|
||||
@ -2102,23 +2093,19 @@ namespace netgen
|
||||
hel.Invert();
|
||||
hel.NormalizeNumbering();
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
/*
|
||||
INDEX_2 i2(el.GetIndex(),
|
||||
(hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::BASE-1)
|
||||
: hel[3]);
|
||||
*/
|
||||
|
||||
tval i2;
|
||||
i2.index = el.GetIndex();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel[3];
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel[3];
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < faceht.Size(); i++)
|
||||
if (faceht.UsedPos (i))
|
||||
{
|
||||
@ -2128,23 +2115,153 @@ namespace netgen
|
||||
faceht.GetData (i, i3, i2);
|
||||
if (i2.index != PointIndex::BASE-1)
|
||||
{
|
||||
// Element2d tri;
|
||||
// tri.SetType ( (i2.I2() == PointIndex::BASE-1) ? TRIG : QUAD);
|
||||
Element2d tri ( (i2.p4 == PointIndex::BASE-1) ? TRIG : QUAD);
|
||||
for (int l = 0; l < 3; l++)
|
||||
tri[l] = i3.I(l+1);
|
||||
tri.PNum(4) = i2.p4;
|
||||
tri.SetIndex (i2.index);
|
||||
|
||||
// tri.Invert();
|
||||
|
||||
openelements.Append (tri);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
size_t numtasks = ngcore::TaskManager::GetNumThreads();
|
||||
Array<Array<Element2d>> thread_openelements(numtasks);
|
||||
ParallelJob
|
||||
( [&](TaskInfo & ti)
|
||||
{
|
||||
auto myrange = points.Range().Split(ti.task_nr, ti.ntasks);
|
||||
INDEX_3_CLOSED_HASHTABLE<tval> faceht(100);
|
||||
for (PointIndex pi : myrange)
|
||||
if (selsonpoint[pi].Size()+elsonpoint[pi].Size())
|
||||
{
|
||||
faceht.SetSize (2 * selsonpoint[pi].Size() + 4 * elsonpoint[pi].Size());
|
||||
|
||||
for (SurfaceElementIndex sei : selsonpoint[pi])
|
||||
{
|
||||
Element2d hel = SurfaceElement(sei);
|
||||
if (hel.GetType() == TRIG6) hel.SetType(TRIG);
|
||||
int ind = hel.GetIndex();
|
||||
|
||||
if (GetFaceDescriptor(ind).DomainIn() &&
|
||||
(dom == 0 || dom == GetFaceDescriptor(ind).DomainIn()) )
|
||||
{
|
||||
hel.NormalizeNumbering();
|
||||
if (hel.PNum(1) == pi)
|
||||
{
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
tval i2;
|
||||
i2.index = GetFaceDescriptor(ind).DomainIn();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel.PNum(4);
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
}
|
||||
if (GetFaceDescriptor(ind).DomainOut() &&
|
||||
(dom == 0 || dom == GetFaceDescriptor(ind).DomainOut()) )
|
||||
{
|
||||
hel.Invert();
|
||||
hel.NormalizeNumbering();
|
||||
if (hel.PNum(1) == pi)
|
||||
{
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
tval i2;
|
||||
i2.index = GetFaceDescriptor(ind).DomainOut();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel.PNum(4);
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (ElementIndex ei : elsonpoint[pi])
|
||||
{
|
||||
const Element & el = VolumeElement(ei);
|
||||
|
||||
if (dom == 0 || el.GetIndex() == dom)
|
||||
{
|
||||
for (int j = 1; j <= el.GetNFaces(); j++)
|
||||
{
|
||||
Element2d hel(TRIG);
|
||||
el.GetFace (j, hel);
|
||||
hel.Invert();
|
||||
hel.NormalizeNumbering();
|
||||
|
||||
if (hel[0] == pi)
|
||||
{
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
|
||||
if (faceht.Used (i3))
|
||||
{
|
||||
tval i2 = faceht.Get(i3);
|
||||
if (i2.index == el.GetIndex())
|
||||
{
|
||||
i2.index = PointIndex::BASE-1;
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (i2.index == 0)
|
||||
{
|
||||
PrintSysError ("more elements on face");
|
||||
(*testout) << "more elements on face!!!" << endl;
|
||||
(*testout) << "el = " << el << endl;
|
||||
(*testout) << "hel = " << hel << endl;
|
||||
(*testout) << "face = " << i3 << endl;
|
||||
(*testout) << "points = " << endl;
|
||||
for (int jj = 1; jj <= 3; jj++)
|
||||
(*testout) << "p = " << Point(i3.I(jj)) << endl;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
hel.Invert();
|
||||
hel.NormalizeNumbering();
|
||||
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
||||
|
||||
tval i2;
|
||||
i2.index = el.GetIndex();
|
||||
i2.p4 = (hel.GetNP() == 3)
|
||||
? PointIndex (PointIndex::INVALID)
|
||||
: hel[3];
|
||||
faceht.Set (i3, i2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < faceht.Size(); i++)
|
||||
if (faceht.UsedPos (i))
|
||||
{
|
||||
INDEX_3 i3;
|
||||
tval i2;
|
||||
faceht.GetData (i, i3, i2);
|
||||
if (i2.index != PointIndex::BASE-1)
|
||||
{
|
||||
Element2d tri ( (i2.p4 == PointIndex::BASE-1) ? TRIG : QUAD);
|
||||
for (int l = 0; l < 3; l++)
|
||||
tri[l] = i3.I(l+1);
|
||||
tri.PNum(4) = i2.p4;
|
||||
tri.SetIndex (i2.index);
|
||||
thread_openelements[ti.task_nr].Append (tri);
|
||||
}
|
||||
}
|
||||
}});
|
||||
|
||||
for (auto & a : thread_openelements)
|
||||
for (auto & el : a)
|
||||
openelements.Append (el);
|
||||
|
||||
t_pointloop.Stop();
|
||||
|
||||
int cnt3 = 0;
|
||||
for (i = 0; i < openelements.Size(); i++)
|
||||
for (int i = 0; i < openelements.Size(); i++)
|
||||
if (openelements[i].GetNP() == 3)
|
||||
cnt3++;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user