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

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(cherry picked from commit 5c65cea2f0)
This commit is contained in:
CGH0S7
2026-04-13 11:39:50 +08:00
committed by ianchb
parent bb20c9a876
commit 0396701572
2 changed files with 16 additions and 1 deletions
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16
AMSS_NCKU_source/bssn_class.C
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@@ -372,6 +372,7 @@ bssn_class::bssn_class(double Couranti, double StartTimei, double TotalTimei,
: Courant(Couranti), StartTime(StartTimei), TotalTime(TotalTimei), : Courant(Couranti), StartTime(StartTimei), TotalTime(TotalTimei),
DumpTime(DumpTimei), d2DumpTime(d2DumpTimei), CheckTime(CheckTimei), AnasTime(AnasTimei), DumpTime(DumpTimei), d2DumpTime(d2DumpTimei), CheckTime(CheckTimei), AnasTime(AnasTimei),
cuda_level0_constraint_cache_valid(false), cuda_level0_constraint_cache_valid(false),
ConstraintRefreshLevels(0),
Symmetry(Symmetryi), checkrun(checkruni), numepss(numepssi), numepsb(numepsbi), numepsh(numepshi), Symmetry(Symmetryi), checkrun(checkruni), numepss(numepssi), numepsb(numepsbi), numepsh(numepshi),
#ifdef With_AHF #ifdef With_AHF
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),
@@ -1014,6 +1015,9 @@ 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
@@ -1103,6 +1107,8 @@ 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;
@@ -2755,7 +2761,11 @@ 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
} }
@@ -7765,7 +7775,8 @@ 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 (bssn_constraint_recompute_from_state(lev, cuda_level0_constraint_cache_valid)) if ((lev == 0 && bssn_constraint_recompute_from_state(lev, cuda_level0_constraint_cache_valid)) ||
(lev > 0 && ConstraintRefreshLevels && ConstraintRefreshLevels[lev]))
{ {
double TRK4 = PhysTime; double TRK4 = PhysTime;
double ndeps = numepsb; double ndeps = numepsb;
@@ -7978,6 +7989,9 @@ 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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@@ -49,6 +49,7 @@ public:
double AnasTime, DumpTime, d2DumpTime, CheckTime; double AnasTime, DumpTime, d2DumpTime, CheckTime;
double LastAnas, LastConsOut; double LastAnas, LastConsOut;
bool cuda_level0_constraint_cache_valid; bool cuda_level0_constraint_cache_valid;
int *ConstraintRefreshLevels;
double Courant; double Courant;
double numepss, numepsb, numepsh; double numepss, numepsb, numepsh;
int Symmetry; int Symmetry;