Less extreme examples include instructions that take only a few cycles
to complete, but if commonly used in tight loops with Conditional Branches, an
Out-of-Order system with Speculative capability may need significantly
-more Reservation Stations to hold in-flight data for instructions which
-take longer than those which do not, so even a single clock cycle reduction
+more Reservation Stations to hold in-flight data for *all* instructions when
+some take longer, so even a single clock cycle reduction
could become important.
A rule of thumb is that in Hardware, at 4.8 ghz the budget for what is called