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 getLineSliceFields()
{
typedef typename MappingDesc::SuperCellSize SuperCellSize;
const float3_X tmpFloat3(float3_X(float_X(0.0), float_X(0.0), float_X(0.0)));
sliceDataField->getDeviceBuffer().setValue(tmpFloat3);
dim3 block(SuperCellSize::toRT().toDim3());
const SubGrid<simDim>& subGrid = Environment<simDim>::get().SubGrid();
// 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> localNrOfCells(subGrid.getLocalDomain().size);
const DataSpace<simDim> globalNrOfCells (subGrid.getGlobalDomain().size);
__picKernelArea(kernelLineSliceFields, *cellDescription, AREA)
(block)
(fieldE->getDeviceDataBox(),
fieldB->getDeviceDataBox(),
sliceDataField->getDeviceBuffer().getBasePointer(),
globalCellIdOffset,
globalNrOfCells
);
sliceDataField->deviceToHost();
//return sliceDataField->getHostBuffer().getDataBox()[0];
}