 memory    |Best, average, and worst case |
----------------------+-------+------------------------+------------------------------+
block_indirect_sort   |  no   |block_size * num_threads|     N, N LogN, N LogN        |
                      |       |                        |                              |
</pre>
            </strong></span>
          </p>
<p>
            The block_size is an internal parameter of the algorithm, which in order
            to achieve the highest speed, changes according with