Reduction in SVP64 is similar in essence to other Vector Processing
ISAs, but leverages the underlying scalar Base v3.0B operations.
Thus it is more a convention that the programmer may utilise to give
-the appearance and effect of a Horizontal Vector Reduction.
-Details are in the [[svp64/appendix]]
+the appearance and effect of a Horizontal Vector Reduction. Due
+to the unusual decoupling it is also possible to perform
+prefix-sum in certain circumstances. Details are in the [[svp64/appendix]]
# Fail-on-first