         Offset      block_offset,
         Offset      valid_items)
     {
+        __syncthreads();
+
         BlockLoadValues loader(temp_storage.load_values);
         LoadItems(
             loader,

    template <bool FULL_TILE>
    __device__ __forceinline__ void GatherScatterValues(
        NullType    (&values)[ITEMS_PER_THREAD],
        Offset       (&relative_bin_offsets)[ITEMS_PER_THREAD],
        int         (&ranks)[ITEMS_PER_THREAD],
        Offset       block_offset,
        Offset       valid_items)
    {}



        UnsignedBits    twiddled_keys[ITEMS_PER_THREAD];            // Twiddled keys
        int             ranks[ITEMS_PER_THREAD];                    // For each key, the local rank within the CTA
        Offset          relative_bin_offsets[ITEMS_PER_THREAD];     // For each key, the global scatter base offset of the corresponding digit

        // Assign max-key to all keys
        #pragma unroll
