64-BitBrainstorm_2026/AMSS-NCKU
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Optimize constraint refresh after regrid

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This commit is contained in:
CGH0S7
2026-04-13 11:39:50 +08:00
parent 8c1f4d8108
commit 5c65cea2f0
2 changed files with 40 additions and 26 deletions
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15
AMSS_NCKU_source/bssn_class.C
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@@ -65,6 +65,7 @@ bssn_class::bssn_class(double Couranti, double StartTimei, double TotalTimei,
xc(0), yc(0), zc(0), xr(0), yr(0), zr(0), trigger(0), dTT(0), dumpid(0), xc(0), yc(0), zc(0), xr(0), yr(0), zr(0), trigger(0), dTT(0), dumpid(0),
#endif #endif
a_lev(a_levi), maxl(maxli), decn(decni), maxrex(maxrexi), drex(drexi), a_lev(a_levi), maxl(maxli), decn(decni), maxrex(maxrexi), drex(drexi),
ConstraintRefreshLevels(0),
CheckPoint(0) CheckPoint(0)
// CheckPoint(0) // CheckPoint(0)
{ {
@@ -702,6 +703,9 @@ void bssn_class::Initialize()
} }
} }
GH = new cgh(0, ngfs, Symmetry, pname, checkrun, ErrorMonitor); GH = new cgh(0, ngfs, Symmetry, pname, checkrun, ErrorMonitor);
ConstraintRefreshLevels = new int[GH->levels];
for (int il = 0; il < GH->levels; il++)
ConstraintRefreshLevels[il] = 0;
if (checkrun) if (checkrun)
CheckPoint->readcheck_cgh(PhysTime, GH, myrank, nprocs, Symmetry); CheckPoint->readcheck_cgh(PhysTime, GH, myrank, nprocs, Symmetry);
else else
@@ -791,6 +795,8 @@ bssn_class::~bssn_class()
DumpList->clearList(); DumpList->clearList();
ConstraintList->clearList(); ConstraintList->clearList();
delete[] ConstraintRefreshLevels;
delete phio; delete phio;
delete trKo; delete trKo;
delete gxxo; delete gxxo;
@@ -2441,7 +2447,11 @@ void bssn_class::RecursiveStep(int lev)
if (GH->Regrid_Onelevel(lev, Symmetry, BH_num, Porgbr, Porg0, if (GH->Regrid_Onelevel(lev, Symmetry, BH_num, Porgbr, Porg0,
SynchList_cor, OldStateList, StateList, SynchList_pre, SynchList_cor, OldStateList, StateList, SynchList_pre,
fgt(PhysTime - dT_lev, StartTime, dT_lev / 2), ErrorMonitor)) fgt(PhysTime - dT_lev, StartTime, dT_lev / 2), ErrorMonitor))
{
if (ConstraintRefreshLevels)
ConstraintRefreshLevels[lev] = 1;
for (int il = 0; il < GH->levels; il++) { sync_cache_pre[il].invalidate(); sync_cache_cor[il].invalidate(); sync_cache_rp_coarse[il].invalidate(); sync_cache_rp_fine[il].invalidate(); sync_cache_restrict[il].invalidate(); sync_cache_outbd[il].invalidate(); } for (int il = 0; il < GH->levels; il++) { sync_cache_pre[il].invalidate(); sync_cache_cor[il].invalidate(); sync_cache_rp_coarse[il].invalidate(); sync_cache_rp_fine[il].invalidate(); sync_cache_restrict[il].invalidate(); sync_cache_outbd[il].invalidate(); }
}
#endif #endif
} }
@@ -7261,7 +7271,7 @@ void bssn_class::Constraint_Out()
for (int lev = 0; lev < GH->levels; lev++) for (int lev = 0; lev < GH->levels; lev++)
{ {
// make sure the data consistent for higher levels // make sure the data consistent for higher levels
if (lev > 0) // if the constrait quantities can be reused from the step rhs calculation if (lev > 0 && ConstraintRefreshLevels && ConstraintRefreshLevels[lev]) // only refresh levels whose grid layout changed after evolution
{ {
double TRK4 = PhysTime; double TRK4 = PhysTime;
double ndeps = numepsb; double ndeps = numepsb;
@@ -7474,6 +7484,9 @@ void bssn_class::Constraint_Out()
Interp_Constraint(false); Interp_Constraint(false);
LastConsOut = 0; LastConsOut = 0;
if (ConstraintRefreshLevels)
for (int lev = 0; lev < GH->levels; lev++)
ConstraintRefreshLevels[lev] = 0;
} }
} }

1
AMSS_NCKU_source/bssn_class.h
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@@ -48,6 +48,7 @@ public:
double StartTime, TotalTime; double StartTime, TotalTime;
double AnasTime, DumpTime, d2DumpTime, CheckTime; double AnasTime, DumpTime, d2DumpTime, CheckTime;
double LastAnas, LastConsOut; double LastAnas, LastConsOut;
int *ConstraintRefreshLevels;
double Courant; double Courant;
double numepss, numepsb, numepsh; double numepss, numepsb, numepsh;
int Symmetry; int Symmetry;