User Guide

  • 2020
  • 09/09/2020
  • Public Content
Contents

Testing for Regressions: Other Approaches

Intel Inspector
also offers alternative ways to test for regressions.
View Problem States to Check for New Problems
When you run an analysis to create a new result, the
Intel Inspector
automatically:
  • Propagates state information from a baseline (older) result to the new result.
  • Sets the state in the new result of all problems that do not appear in the baseline result to
    New
    .
Take advantage of this
free
information for regression testing purposes.
In the GUI:
  1. Establish a baseline result using the
    Options-State Management
    dialog box.
  2. Run a new analysis.
  3. When analysis is complete, use the
    Filters
    pane to temporarily limit the items displayed in the
    Problems
    pane to those with a state of
    New.
In the
inspxe-cl
command tool:
  1. Run a new analysis against a baseline result.
    For example: The following
    inspxe-cl
    command collects a new result for the
    MyApp
    application against a
    dataset1_baseline
    baseline result and writes the new result to the
    myRes002mi3
    directory in the current working directory.
    $ inspxe-cl -c mi3 -baseline-result ./dataset1_baseline -r myRes002mi3 -- ./myApp
  2. When analysis is complete, generate a Status report for the new result to determine if there are any new problems.
    For example: The following
    inspxe-cl
    command generates a Status report for the
    myRes002mi3
    result.
    $ inspxe-cl -report status -result-dir myRes002mi3
  3. If there are new problems, generate a Problems report containing only the new problems.
    For example: The following
    inspxe-cl
    command generates a Problems report of new problems detected in the
    myRes002mi3
    result.
    $ inspxe-cl -report problems -filter state=new -result-dir myRes002mi3
  • By default, the
    Intel Inspector
    establishes a baseline result from the immediately previous result of the same analysis type.
  • You can use a baseline result created with the same analysis type you plan to use for the new analysis or with the widest analysis type available.
  • Use one baseline result per data set you plan to test, or one baseline result for your entire application.
  • You can also automate these
    inspxe-cl
    command tool steps.
View Results Side-by-Side to Check for Differences
You can also create a result or generate a report that compares two results.
In the GUI:
  1. Use the comparison feature to identify a previous result and a new result, and create a temporary result that shows the following state information for each detected problem:
    • Result 1
      or
      Result 2
      if the problem appears in only one result
    • Both
      if the problem appears in both results
  2. Use the
    Filters
    pane to temporarily limit the items displayed in the
    Problems
    pane to those that appear in only the new result. For example: If
    Result 1
    is a previous result and
    Result 2
    is the new result, filter for problems with a state of
    Result 2
    .
In the
inspxe-cl
command tool, generate a Summary report for two results simultaneously to produce a differences report.
For example: The following
inspxe-cl
command generates a differences report for two previously collected results:
myRes001mi3
and
myRes002mi3
.
$ inspxe-cl -report summary -result-dir myRes001mi3 -result-dir myRes002mi3
The information in a results comparison is most useful when you compare two results of the same analysis type from the same project.

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