message: Renamed tileMemSize to tileElementCount.
  Summary: Fixed compiler error.
  Test Plan: It compiled
  Reviewers: georgep, markp
diff: @@ -255,7 +255,7 @@ void PrintTensorMapping(const poplar::Graph& graph,
  << "\"num_elements\": " << tileElementCount << ", "
  << "\"element_size\": " << elementType << "}";
  first_tile = false;
  - totalElements += tileMemSize;
  + totalElements += tileElementCount;
  }
  }
  ss << "], "
  