Intel® Advisor Help

Window: Offload Modeling Report - Accelerated Regions

Use the Accelerated Regions window to view detailed information about offloaded and non-offloaded loops/functions, view source code for your loops/functions.

Review the controls available in the main report of the Offload Modeling perspective of the Intel® Advisor. In the Accelerated Regions and Summary reports, you can drag-and-drop, close/open, collapse/expand panes to change the report layout.

Review the summary offload characteristics for your application to decide if the application is recommended for offloading. The pane highlights total speedup, number of loops and functions offloaded, and a fraction of code accelerated.

Select code regions to show in the report based on offload type:

  • Show all code regions in your code.
  • Show only code regions recommended for offloading.
  • Show only code regions not recommended for offloading.

Review the detailed information about your application performance measured on a host platform and its performance modeled on a target platform. For details about metrics reported, see Accelerator Metrics.

Depending on a perspective configuration, you might see different metrics reported and some metrics might be not accurate. Refer to the following topics for interpretation details:

Switch between the Data Transfer Estimations tab and Details tab.

In the Data Transfer Estimations tab, examine details about estimated data transfers in a loop and memory objects tracked and review data transfer recommendations. Select a loop in the CPU+GPU table to see the data transfer estimations for it. Click a recommendation to expand it and view hints for offloading your code to another accelerator, code samples, and links to useful resources.

For details about how to read this pane, see Examine Data Transfers for Modeled Regions.

Note

You need to enable data transfer analysis before running the perspective to see metrics in this pane,

In the Details tab, view performance metrics for a selected function/loop.

Advanced view pane enables you to:

  • Examine the source code for selected functions/loops in the Source tab. Select a loop in the CPU+GPU table to focus on the corresponding part of the source code.

    Right-click a code line and click View Source to open the source view. Double click a code line in the source view to open it in code editor.

  • View the execution details for a selected function/loop in the call stack using the Top-Down tab.
  • Examine recommendations that provide guidance and code samples to resolve the issues found by Intel Advisor using the Recommendations tab. Use the drop-down to expand code snippets if you need them.

For details, see Examine Regions Recommended for Offloading

Examine offload details about a loop. Select a loop in the CPU+GPU table to see the offload speed-up and status for this loop. If the loop is not recommended for offloading, this pane reports the reason why it is not recommended. For details, see Investigate Non-Offloaded Code Regions.

Note

This pane is collapsed by default. Click an arrow icon on the top of it to expand the pane.