•Percent Wrong Paths

Percentage of branch predictions that mispredicted the branch predicate.

•Percent Wrong Branch Targets

Percentage of branch predictions that mispredicted the branch target.

•Percent iprel branch

Percentage of IP-relative branches among all branches.

•Percent ind branch

Percentage of non-return indirect branches among all branches.

•Percent ret branch

Percentage of return branches among all branches.

•Percent iprel correct predictions

Percentage of IP-relative branches that predicted correctly.

•Percent iprel wrong paths

Percentage of IP-relative branches that mispredicted the branch predicate.

•Percent iprel wrong branch targets

Percentage of IP-relative branches that mispredicted the branch target.

•Percent ind correct predictions

Percentage of non-return indirect branches that predicted correctly.

•Percent ind wrong paths

Percentage of non-return indirect branches that mispredicted the branch predicate.

•Percent ind wrong branch targets

Percentage of non-return indirect branches that mispredicted the branch target.

•Percent ret correct predictions

Percentage of return branches that predicted correctly.

•Percent ret wrong paths

Percentage of return branches that mispredicted the branch predicate.

•Percent ret wrong branch targets

Percentage of return branches that mispredicted the branch target.

•% of cycles lost due to branch misprediction or exception/interruption flush

Percentage of cycles lost due to either an exception/interruption or a branch misprediction flush.

Metrics for Integrity Servers Intel® Itanium® 9500 Processors Systems

•BR_PRED_DETAIL.IPREL_CORR_PRED

Number of IP-relative branch types with correctly predicted path and target.

•BR_PRED_DETAIL.IPREL_WRONG_PATH

Number of IP-relative branch types with mispredicted path.

•BR_PRED_DETAIL.IPREL_WRONG_TARGET

Number of IP-relative branch types with mispredicted target but, correctly predicted path.

•BR_PRED_DETAIL.NON_RETIND_WRONG_PATH

Number of non-return indirect branch types with mispredicted path.

branch Measurement Report Description 177