message: moves json set size
diff: @@ -495,8 +495,6 @@ void solve_system(const std::string& solver_name,
  apply_timer->compute_average_time(), allocator);
  add_or_set_member(solver_json, "repetitions",
  apply_timer->get_num_repetitions(), allocator);
  - add_or_set_member(solver_json, "size", solver->get_size()[0],
  - allocator);
  // compute and write benchmark data
  add_or_set_member(solver_json, "completed", true, allocator);
  @@ -549,7 +547,6 @@ void run_solver_benchmarks(std::shared_ptr<gko::Executor> exec,
  continue;
  }
  std::clog << "Running test case: " << test_case << std::endl;
  - std::ifstream mtx_fd(test_case["filename"].GetString());
  using Vec = typename SystemGenerator::Vec;
  std::shared_ptr<gko::LinOp> system_matrix;
  @@ -572,6 +569,8 @@ void run_solver_benchmarks(std::shared_ptr<gko::Executor> exec,
  std::clog << "Matrix is of size (" << system_matrix->get_size()[0]
  << ", " << system_matrix->get_size()[1] << ")"
  << std::endl;
  + add_or_set_member(test_case, "size", system_matrix->get_size()[0],
  + allocator);
  auto precond_solver_name = begin(precond_solvers);
  for (const auto& solver_name : solvers) {
  for (const auto& precond_name : preconds) {
  