message: remove OpenMP collapse(2)
diff: @@ -202,12 +202,11 @@ void run_kernel(std::shared_ptr<const OmpExecutor> exec, KernelFunction fn,
  {
  const auto rows = size[0];
  const auto cols = size[1];
  -#pragma omp parallel for collapse(2)
  +#pragma omp parallel for
  for (size_type row = 0; row < rows; row++) {
  for (size_type col = 0; col < cols; col++) {
  [&]() {
  - fn(row, col,
  - kernels::omp::map_unpack_to_device(args, size[1])...);
  + fn(row, col, kernels::omp::map_unpack_to_device(args, cols)...);
  }();
  }
  }
  