(to 128-, 256-, 512-bit etc) for more partitions.\par Additionally,
binary compatibility is an important feature, and thus each doubling
of SIMD registers also expands the instruction set. The number of
-instructions quickly balloons and this can be seen in popular \ac{ISA},
-for example IA-32 expanding from 80 to about 1400 instructions since
+instructions quickly balloons and this can be seen in for example
+IA-32 expanding from 80 to about 1400 instructions since
1978\cite{SIMD_HARM}.\par
\subsection{Vector Architectures}