User Guide

Contents

gpu-sampling-interval

Specify time interval, in milliseconds, between GPU samples during Survey analysis.

Syntax

--gpu-sampling-interval
=
<double>
Arguments
<double>
is the number from 0.1 to 10 milliseconds between GPU samples.
Default
1
Actions Modified
collect
=survey --profile-gpu
collect
=roofline --profile-gpu
Usage
GPU profiling is applicable only to Intel® Processor Graphics.
This option may affect the performance of your application on the CPU side. Increasing the wait time between samples can decrease collection overhead.
Example
Run a Survey analysis. Enable GPU profiling and increase the GPU sampling interval to 3 ms.
$ advisor --collect=survey --project-dir=./advi --profile-gpu --gpu-sampling-interval=3 -- myApplication

Product and Performance Information

1

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