works without vectorization

src/targets/gpu/kernels/include/migraphx/kernels/type_traits.hpp

@@ -142,6 +142,11 @@ MIGRAPHX_BUILTIN_TYPE_TRAITN(is_constructible);
 MIGRAPHX_BUILTIN_TYPE_TRAITN(is_nothrow_constructible);
 MIGRAPHX_BUILTIN_TYPE_TRAITN(is_trivially_constructible);
 
+template <>
+struct is_fundamental<migraphx::fp8e4m3fnuz> : false_type
+{
+};
+
 template <class T>
 struct remove_cv
 {

src/targets/gpu/kernels/include/migraphx/kernels/vectorize.hpp

@@ -254,6 +254,10 @@ __device__ __host__ auto vectorize()
         {
             f(xs...);
         }
+        else if constexpr(is_same<decltype(any_of(xs...)), migraphx::fp8e4m3fnuz>{})
+        {
+            return f(xs...);
+        }
         else
         {
             f(vectorize_tensor<N, Axis>(xs)...);