message: disable unroll in copy_matrix with hip(amd)
diff: @@ -215,7 +215,11 @@ __device__ __forceinline__ void copy_matrix(
  size_type stride)
  {
  GKO_ASSERT(problem_size <= max_problem_size);
  +#if !defined(__NVCC__)
  +#pragma unroll 1
  +#else
  #pragma unroll
  +#endif // !defined(__NVCC__)
  for (int32 i = 0; i < max_problem_size; ++i) {
  if (i < problem_size) {
  const auto idx = group.shfl(col_perm, i);
  