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AddRealComp/AddIntComp: Resize SoA #3615

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Mar 29, 2024
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AddRealComp/AddIntComp: Resize SoA #3615

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35 changes: 35 additions & 0 deletions Src/Particle/AMReX_ParticleContainer.H
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Original file line number Diff line number Diff line change
Expand Up @@ -1249,6 +1249,18 @@ public:
m_num_runtime_real++;
h_redistribute_real_comp.push_back(communicate);
SetParticleSize();

// resize runtime SoA
for (int lev = 0; lev < numLevels(); ++lev) {
for (ParIterType pti(*this,lev); pti.isValid(); ++pti) {
auto& tile = DefineAndReturnParticleTile(lev, pti);
auto np = tile.numParticles();
if (np > 0) {
auto& soa = tile.GetStructOfArrays();
soa.resize(np);
}
}
}
}

template <typename T,
Expand All @@ -1259,6 +1271,18 @@ public:
m_num_runtime_int++;
h_redistribute_int_comp.push_back(communicate);
SetParticleSize();

// resize runtime SoA
for (int lev = 0; lev < numLevels(); ++lev) {
for (ParIterType pti(*this,lev); pti.isValid(); ++pti) {
auto& tile = DefineAndReturnParticleTile(lev, pti);
auto np = tile.numParticles();
if (np > 0) {
auto& soa = tile.GetStructOfArrays();
soa.resize(np);
}
}
}
}

int NumRuntimeRealComps () const { return m_num_runtime_real; }
Expand All @@ -1267,7 +1291,18 @@ public:
int NumRealComps () const { return NArrayReal + NumRuntimeRealComps(); }
int NumIntComps () const { return NArrayInt + NumRuntimeIntComps() ; }

/** Resize the Real runtime components (SoA)
*
* @param new_size new number of Real runtime components
* @param communicate participate this component in redistribute
*/
void ResizeRuntimeRealComp (int new_size, bool communicate);

/** Resize the Int runtime components (SoA)
*
* @param new_size new number of integer runtime components
* @param communicate participate this component in redistribute
*/
void ResizeRuntimeIntComp (int new_size, bool communicate);

/** type trait to translate one particle container to another, with changed allocator */
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