message: Signed/unsigned error on linux build
diff: @@ -55,7 +55,8 @@ static double TileCost(const Block& block, const proto::AutotilePass& options, c
  tile_by_name[block.idxs[i].name] = tile[i];
  }
  auto sizes = ComputeSizes(tile_by_name, block, options);
  - if (sizes.first > options.max_output_size() || sizes.second > options.max_input_size()) {
  + if (static_cast<int64_t>(sizes.first) > options.max_output_size() ||
  + static_cast<int64_t>(sizes.second) > options.max_input_size()) {
  return std::numeric_limits<double>::infinity();
  }
  double tot_compute = 1;
  