message: Remove binding to closest PU altogether.
diff: @@ -104,6 +104,8 @@ int main(int argc, char* argv[])
  const auto executor_string = argc >= 2 ? argv[1] : "reference";
  const auto grid_dim =
  static_cast<gko::size_type>(argc >= 3 ? std::atoi(argv[2]) : 100);
  + const auto num_iters =
  + static_cast<gko::size_type>(argc >= 4 ? std::atoi(argv[3]) : 1000);
  // Pick the requested executor.
  std::map<std::string, std::function<std::shared_ptr<gko::Executor>()>>
  @@ -216,7 +218,8 @@ int main(int argc, char* argv[])
  auto Ainv =
  solver::build()
  .with_criteria(
  - gko::stop::Iteration::build().with_max_iters(num_rows).on(exec),
  + gko::stop::Iteration::build().with_max_iters(num_iters).on(
  + exec),
  gko::stop::ResidualNorm<ValueType>::build()
  .with_baseline(gko::stop::mode::absolute)
  .with_reduction_factor(1e-4)
  