Method reset

paddle/fluid/framework/data_feed.cc:3189–3195

MiniBatchGpuPack::~MiniBatchGpuPack() {}

void MiniBatchGpuPack::reset(const phi::Place& place) {
  place_ = place;
  stream_holder_.reset(new phi::CUDAStream(place));
  stream_ = stream_holder_->raw_stream();
  ins_num_ = 0;
  pv_num_ = 0;
}

void MiniBatchGpuPack::pack_all_data(const SlotRecord* ins_vec, int num) {
  int uint64_total_num = 0;