Method initialize

src/Initializer/MemoryManager.cpp:100–129

#endif // ACL_DEVICE

void seissol::initializer::MemoryManager::initialize()
{
  // initialize global matrices
  GlobalDataInitializerOnHost::init(m_globalDataOnHost, m_memoryAllocator, memory::Standard);
  if constexpr (seissol::isDeviceOn()) {
    // the serial order for initialization is needed for some (older) driver versions on some GPUs
    bool serialize = false;
    const char* envvalue = std::getenv("SEISSOL_SERIAL_NODE_DEVICE_INIT");
    if (envvalue != nullptr) {
      if (strcmp(envvalue, "1") == 0) {
        serialize = true;
      }
      else if (strcmp(envvalue, "0") == 0) {
        serialize = false;
      }
      else {
        logError() << "Invalid value for \"SEISSOL_SERIAL_NODE_DEVICE_INIT\"";
      }
    }
    if (serialize) {
      logInfo(MPI::mpi.rank()) << "Initializing device global data on a node in serial order.";
      MPI::mpi.serialOrderExecute([&]() {
        GlobalDataInitializerOnDevice::init(m_globalDataOnDevice, m_memoryAllocator, memory::DeviceGlobalMemory);
      }, MPI::mpi.sharedMemComm());
    }
    else {
      GlobalDataInitializerOnDevice::init(m_globalDataOnDevice, m_memoryAllocator, memory::DeviceGlobalMemory);
    }
  }
}

void seissol::initializer::MemoryManager::correctGhostRegionSetups()
{