I was trying to identify the reason for the lateness of my program. And I notice that one function has high CPI value (4.5), and it says the reason may
- Memory stalls
- Instruction starvation
- Branch misprediction
- Long latency instructions
How can I explore those things using Vtune. Can anyone help me to identify the specific reason for the high CPI?
I am using vtune 2015 U1 (trial version). and i am a windows user