When tuning your target, you may need to modify the source code. Intel® VTune™ Amplifier enables you to open the source files for editing directly from the Source/Assembly window.
To launch the source editor:
To compare two analysis results of the same analysis type:
Intel® VTune™ Amplifier compares analysis results and displays difference in a separate result tab <result1>-<result2> in the following windows:
When you click the Compare Results button and select two results to compare, the Summary window shows the difference between these results.
To view the difference before and after optimization for a function and its callers, click the Bottom-up sub-tab for the comparison result you created using the Compare Results window.
To understand how your application call tree has changed after your optimization and see the difference in performance metrics per function and its callees, click the Top-down Tree sub-tab and explore the Top-down Tree pane.