, chunk_size(chunk_size)
{
// initialize the elements of the ring buffer
- for (unsigned int element = 0; element < item_buffer.size();
- ++element)
+ for (auto &item : item_buffer)
{
- Assert(item_buffer[element].n_items == 0, ExcInternalError());
-
- item_buffer[element].work_items.resize(
- chunk_size, remaining_iterator_range.second);
- item_buffer[element].scratch_data = &thread_local_scratch;
- item_buffer[element].sample_scratch_data = &sample_scratch_data;
- item_buffer[element].copy_datas.resize(chunk_size,
- sample_copy_data);
- item_buffer[element].currently_in_use = false;
+ Assert(item.n_items == 0, ExcInternalError());
+
+ item.work_items.resize(chunk_size,
+ remaining_iterator_range.second);
+ item.scratch_data = &thread_local_scratch;
+ item.sample_scratch_data = &sample_scratch_data;
+ item.copy_datas.resize(chunk_size, sample_copy_data);
+ item.currently_in_use = false;
}
}
// not have to lock the following section
ScratchData *scratch_data = nullptr;
{
- typename ItemType::ScratchDataList &scratch_data_list =
- current_item->scratch_data->get();
-
// see if there is an unused object. if so, grab it and mark
// it as used
- for (typename ItemType::ScratchDataList::iterator p =
- scratch_data_list.begin();
- p != scratch_data_list.end();
- ++p)
+ for (auto &p : current_item->scratch_data->get())
if (p->currently_in_use == false)
{
- scratch_data = p->scratch_data.get();
- p->currently_in_use = true;
+ scratch_data = p.scratch_data.get();
+ p.currently_in_use = true;
+
break;
}
{
scratch_data =
new ScratchData(*current_item->sample_scratch_data);
-
- typename ItemType::ScratchDataList::value_type
- new_scratch_object(scratch_data, true);
- scratch_data_list.push_back(std::move(new_scratch_object));
+ current_item->scratch_data->get().emplace_back(scratch_data, true);
}
}
// finally mark the scratch object as unused again. as above, there
// is no need to lock anything here since the object we work on
// is thread-local
- {
- typename ItemType::ScratchDataList &scratch_data_list =
- current_item->scratch_data->get();
-
- for (typename ItemType::ScratchDataList::iterator p =
- scratch_data_list.begin();
- p != scratch_data_list.end();
- ++p)
- if (p->scratch_data.get() == scratch_data)
- {
- Assert(p->currently_in_use == true, ExcInternalError());
- p->currently_in_use = false;
+ for (auto &p : current_item->scratch_data->get())
+ if (p.scratch_data.get() == scratch_data)
+ {
+ Assert(p.currently_in_use == true, ExcInternalError());
+ p.currently_in_use = false;
- break;
- }
- }
+ break;
+ }
// if there is no copier, mark current item as usable again
if (copier_exist == false)