Method ~Arena

tensorflow/core/framework/ev_allocator.h:372–377

  Arena(PageMap<ChunkType>* pm) : page_map_(pm) {}

  ~Arena() {
    for (auto it = bins_.begin(); it != bins_.end(); ++it) {
      delete it->second;
    }
    bins_.clear();
  }

  size_t BatchAllocate(size_t num, size_t bin_size, void** ret) {
    Bin<ChunkType> *bin = nullptr;