SglParticle<FloatPos> getPositionsParticles(uint32_t currentStep)
{
typedef typename MappingDesc::SuperCellSize SuperCellSize;
SglParticle<FloatPos> positionParticleTmp;
gParticle->getDeviceBuffer().setValue(positionParticleTmp);
dim3 block(SuperCellSize::getDataSpace());
__picKernelArea(kernelPositionsParticles, *cellDescription, AREA)
(block)
(particles->getDeviceParticlesBox(),
gParticle->getDeviceBuffer().getBasePointer());
gParticle->deviceToHost();
DataSpace<simDim> localSize(cellDescription->getGridLayout().getDataSpaceWithoutGuarding());
VirtualWindow window(MovingWindow::getInstance().getVirtualWindow(currentStep));
DataSpace<simDim> gpuPhyCellOffset(SubGrid<simDim>::getInstance().getSimulationBox().getGlobalOffset());
gpuPhyCellOffset.y() += (localSize.y() * window.slides);
gParticle->getHostBuffer().getDataBox()[0].globalCellOffset += gpuPhyCellOffset;
return gParticle->getHostBuffer().getDataBox()[0];
}
void notify(uint32_t currentStep)
{
typedef typename MappingDesc::SuperCellSize SuperCellSize;
DataConnector& dc = Environment<>::get().DataConnector();
fieldE = &(dc.getData<FieldE > (FieldE::getName(), true));
fieldB = &(dc.getData<FieldB > (FieldB::getName(), true));
const int rank = Environment<simDim>::get().GridController().getGlobalRank();
getLineSliceFields < CORE + BORDER > ();
const SubGrid<simDim>& subGrid = Environment<simDim>::get().SubGrid();
// number of cells on the current CPU for each direction
const DataSpace<simDim> nrOfGpuCells = cellDescription->getGridLayout().getDataSpaceWithoutGuarding();
// global cell id offset (without guardings!)
// returns the global id offset of the "first" border cell on a GPU
const DataSpace<simDim> globalCellIdOffset(subGrid.getLocalDomain().offset);
// global number of cells for whole simulation: local cells on GPU * GPUs
// (assumed same size on each gpu :-/ -> todo: provide interface!)
//! \todo create a function for: global number of cells for whole simulation
//!
const DataSpace<simDim> globalNrOfCells = subGrid.getGlobalDomain().size;
/*FORMAT OUTPUT*/
/** \todo add float3_X with position of the cell to output*/
// check if the current GPU contains the "middle slice" along
// X_global / 2; Y_global / 2 over Z
if (globalCellIdOffset.x() <= globalNrOfCells.x() / 2 &&
globalCellIdOffset.x() + nrOfGpuCells.x() > globalNrOfCells.x() / 2)
#if(SIMDIM==DIM3)
if( globalCellIdOffset.z() <= globalNrOfCells.z() / 2 &&
globalCellIdOffset.z() + nrOfGpuCells.z() > globalNrOfCells.z() / 2)
#endif
for (int i = 0; i < nrOfGpuCells.y(); ++i)
{
const double xPos = double( i + globalCellIdOffset.y()) * SI::CELL_HEIGHT_SI;
outfile << currentStep << " " << rank << " ";
outfile << xPos << " "
/*<< sliceDataField->getHostBuffer().getDataBox()[i] */
<< double(sliceDataField->getHostBuffer().getDataBox()[i].x()) * UNIT_EFIELD << " "
<< double(sliceDataField->getHostBuffer().getDataBox()[i].y()) * UNIT_EFIELD << " "
<< double(sliceDataField->getHostBuffer().getDataBox()[i].z()) * UNIT_EFIELD << " "
<< "\n";
}
/* outfile << "[ANALYSIS] [" << rank << "] [COUNTER] [LineSliceFields] [" << currentStep << "] " <<
sliceDataField << "\n"; */
// free line to separate timesteps in gnuplot via the "index" option
outfile << std::endl;
}