User Guide

Contents

model-children

Analyze child loops of the region head to find if some of the child loops provide more profitable offload.

Syntax

--model-children
--no-model-children
Default
On (model-children)
Actions Modified
collect
=projection
Usage
Use the
model-children
option to:
  • Minimize overhead
  • Estimate offload speedup of a not-offloaded region head that has a
    Less or equally profitable than children offloads
    message
  1. Run Survey Analysis.
  2. Run Trip Counts and FLOP analyses of the Characterization stage.
  3. Model only offloading of loop heads when modeling your application performance on a target device.
$ advisor --collect=survey -stackwalk-mode=online --static-instruction-mix --project-dir=./advi -- myApplication
$ advisor --collect=tripcounts --flop --enable-data-transfer-analysis --project-dir=./advi -- myApplication
$ advisor --collect=projection --no-model-children --project-dir=./advi

Product and Performance Information

1

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