\end{center}
\begin{itemize}
- \item The challenge is to perform an appropriate transpose of the data,
+ \item The challenge is to perform an appropriate transpose of the data (the CPU can only work on registers, horizontally),
in blocks that suit the processor and the ISA capacity.
- \item The draft gbbd instruction implemets the transpose,
- preparing the data for using the standard popcount instruction.
+ \item The draft gbbd instruction implements the transpose,
+ preparing the data to use the standard popcount instruction.
\end{itemize}