message: use warp_size 32 to check
diff: @@ -49,6 +49,12 @@ struct config {
  */
  using lane_mask_type = uint64;
  +
  + /**
  + * The number of threads within a CUDA warp.
  + */
  + static constexpr uint32 warp_size = 32;
  +
  /**
  * The bitmask of the entire warp.
  */
  