Tutorial: Analyzing Threading Errors with Intel® Inspector and a C++ Sample
To fix the detected threading error:
The commenting embedded throughout the find_and_fix_threading_errors.cpp sample file reveals the cause of the data race problems: Multiple threads are concurrently accessing the global variable col. One possible correction strategy: Change the global variable to a local variable.
Scroll to near line 80 in either code location region and double-click the
color col; line in the
Source tab to open the
find_and_fix_threading_errors.cpp source file in an editor:
Comment color col; and uncomment //color col; near line 88 to localize the variable col to the function render_one_pixel.
Save your edits.
Click the result tab to return to the Sources window.
The Sources window data is unchanged because it is a snapshot of the source code at the time of analysis.
Click the Summary button to display the Summary window.