User Guide

Contents

Window: GPU Roofline Regions

After running
GPU Roofline Insights
perspective,
Intel® Advisor
generates a GPU Roofline report that shows detailed metrics for parts of your application executed on a GPU and for parts executed on a CPU. To access this report, click
GPU Roofline Regions
button on top of the results window.

Controls

Review the summary metrics for parts of your application executed on an accelerator.
  • Create a snapshot for the current project results. For details, see Create a Read-only Result Snapshot .
  • Click a
    +
    button to open previously closed panes. With this button, you can add
    CPU Roofline
    and
    CPU
    metrics to the report showing details about loops executed on CPU.
Review the actual performance of GPU kernels in your application against hardware-imposed performance ceilings using the
GPU Roofline
chart.
For details about interpretation, see Examine Bottlenecks on GPU Roofline Chart .
See detailed description of GPU Roofline chart controls in Pane: GPU Roofline Chart.
Switch between
GPU Source
and
GPU Assembly
tabs to:
  • Examine the source code and offload details for each source line. Select a loop in the
    GPU
    table or a dot in the
    GPU Roofline
    to focus on the corresponding part of the source code.
  • Review GPU assembly representation for a selected kernel.
Review performance metrics of your application performance on a GPU accelerator. For details about metrics, see Accelerator Metrics .
Review the actual performance of functions/loops executed on a CPU against hardware-imposed performance ceilings using the
CPU Roofline
chart.
For details about interpretation, see Examine Bottlenecks on CPU Roofline Chart .
Review performance metrics of your application performance on a CPU accelerator. For details about metrics, see Accelerator Metrics .

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.