HP Caliper User's Guide

— %Indirect Branch
— This metric provides the percentage of Indirect branches among all branches.
— %Return Branch
This metric provides the percentage of Return branches among all branches.
• IPREL Path Statistics
This metric provides path distribution and mispredict rate for both paths of a
non-call IPREL branch. Unconditional IPREL branches are included, so there is a
slight bias toward the taken path. There is also an untaken bias that is an artifact
of the Itanium 2's branch semantics defined by the PMU. In the Itanium 2,
predicated off branches are considered retired untaken branches. Thus, the untaken
category will be biased by predicated off branches. For most commercial
applications, the untaken path will dominate if PBO has been successfully applied.
— %Taken
Percentage of taken non-call IPREL branches.
— %Taken Mispredicted (%mpb)
Percentage of mispredicted taken non-call IPREL branches.
— %Untaken
Percentage of non-taken non-call IPREL branches.
— %Untaken Mispredicted (%mpb)
Percentage of mispredicted non-taken non-call IPREL branches.
brpath Event Set 301