User Guide

Contents

stackwalk-mode

Choose between online and offline modes to analyze stacks during Survey analysis.

Syntax

--stackwalk-mode
=
<string>
Arguments
Argument
Description
online
Analyze stacks during collection.
offline
Analyze stacks after collection.
Default
offline
Actions Modified
collect
=survey
Usage
Set to offline when Survey analysis overhead exceeds 1.1x and/or a large quantity of data is allocated on the stack, which is a common case for Fortran applications or applications with a large number of small, parallel, OpenMP* regions.
Usage can decrease collection overhead.
Run a Survey analysis. Analyze stacks during collection.
advixe-cl --collect=survey --project-dir=./myAdvisorProj --stackwalk-mode=online -- ./bin/myTargetApplication

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804