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patch_data.cpp
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patch_data.cpp
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#include "patch_data.h"
#include <iostream>
// --------------------------------------------------------------------------
patch_data::patch_data(hamr::buffer_allocator alloc) : m_m(alloc),
m_x(alloc), m_y(alloc), m_z(alloc), m_u(alloc), m_v(alloc), m_w(alloc),
m_id(alloc)
{
#ifdef DEBUG
std::cerr << "patch_data::patch_data " << this << std::endl;
#endif
}
// --------------------------------------------------------------------------
patch_data::~patch_data()
{
#ifdef DEBUG
std::cerr << "patch_data::~patch_data " << this << std::endl;
#endif
}
// --------------------------------------------------------------------------
void patch_data::operator=(const patch_data &pd)
{
#ifdef DEBUG
std::cerr << "patch_data::operator= " << this << " <-- " << &pd << std::endl;
#endif
m_m.assign(pd.m_m);
m_x.assign(pd.m_x);
m_y.assign(pd.m_y);
m_z.assign(pd.m_z);
m_u.assign(pd.m_u);
m_v.assign(pd.m_v);
m_w.assign(pd.m_w);
m_id.assign(pd.m_id);
}
// --------------------------------------------------------------------------
void patch_data::operator=(patch_data &&pd)
{
#ifdef DEBUG
std::cerr << "patch_data::operator= && " << this << " <-- " << &pd << std::endl;
#endif
m_m = std::move(pd.m_m);
m_x = std::move(pd.m_x);
m_y = std::move(pd.m_y);
m_z = std::move(pd.m_z);
m_u = std::move(pd.m_u);
m_v = std::move(pd.m_v);
m_w = std::move(pd.m_w);
m_id = std::move(pd.m_id);
}
// --------------------------------------------------------------------------
void patch_data::resize(long n)
{
#ifdef DEBUG
std::cerr << "patch_data::resize " << this << std::endl;
#endif
m_m.resize(n);
m_x.resize(n);
m_y.resize(n);
m_z.resize(n);
m_u.resize(n);
m_v.resize(n);
m_w.resize(n);
m_id.resize(n);
}
// --------------------------------------------------------------------------
void patch_data::append(const patch_data &o)
{
#ifdef DEBUG
std::cerr << "patch_data::append " << this << std::endl;
#endif
m_m.append(o.m_m);
m_x.append(o.m_x);
m_y.append(o.m_y);
m_z.append(o.m_z);
m_u.append(o.m_u);
m_v.append(o.m_v);
m_w.append(o.m_w);
m_id.append(o.m_id);
}
// --------------------------------------------------------------------------
void reduce(const patch_data &pdi, patch_data &pdo)
{
const double *mi = pdi.m_m.data();
const double *xi = pdi.m_x.data();
const double *yi = pdi.m_y.data();
const double *zi = pdi.m_z.data();
pdo.resize(1);
double *mo = pdo.m_m.data();
double *xo = pdo.m_x.data();
double *yo = pdo.m_y.data();
double *zo = pdo.m_z.data();
long n = pdi.size();
double m, x, y, z;
#pragma omp target enter data map(alloc: m,x,y,z)
#pragma omp target map(alloc: m,x,y,z)
{
m = 0.;
x = 0.;
y = 0.;
z = 0.;
}
#if defined(NEWTONPP_USE_OMP_LOOP)
#pragma omp target teams loop reduction(+: m,x,y,z), is_device_ptr(mi,xi,yi,zi), map(alloc: m,x,y,z)
#else
#pragma omp target teams distribute parallel for reduction(+: m,x,y,z), is_device_ptr(mi,xi,yi,zi), map(alloc: m,x,y,z)
#endif
for (long i = 0; i < n; ++i)
{
m += mi[i];
x += mi[i]*xi[i];
y += mi[i]*yi[i];
z += mi[i]*zi[i];
}
#pragma omp target is_device_ptr(mo,xo,yo,zo), map(alloc: m,x,y,z)
{
mo[0] = m;
xo[0] = x/m;
yo[0] = y/m;
zo[0] = z/m;
}
#pragma omp target exit data map(release: m,x,y)
}