Method value

src/data/slot_reader.h:51–64

};

template<typename V> SArray<V> SlotReader::value(int slot_id) const {
  SArray<V> val;
  if (nnzEle(slot_id) == 0) return val;
  for (int i = 0; i < data_.file_size(); ++i) {
    string file = cacheName(ithFile(data_, i), slot_id) + ".value";
    SArray<char> comp; CHECK(comp.readFromFile(file));
    SArray<float> uncomp; uncomp.uncompressFrom(comp);
    size_t n = val.size();
    val.resize(n+uncomp.size());
    for (size_t i = 0; i < uncomp.size(); ++i) val[n+i] = uncomp[i];
  }
  CHECK_EQ(val.size(), nnzEle(slot_id)) << slot_id;
  return val;
}

} // namespace PS