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Unit 3.4.3 Play with the block sizes (highly recommended)

As mentioned, there are many choices for \(m_R \times n_R \text{.}\) In our discussions, we focused on \(12 \times 4 \text{.}\) That different choices for \(m_R \times n_R \) yield better performance, now that packing has been added into the implementation.

Once you have determined the best \(m_R \times n_R \) you may want to go back and redo Homework to determine the best \(m_C \) and \(k_C \text{.}\) Then, collect final performance data once you have updated the Makefile with the best choices.