User Guide

  • 2020
  • 06/18/2020
  • Public Content
Contents

Missing End Task

Occurs when a task-begin annotation is executed but the corresponding task-end annotation is not executed before the site, thread, or application exits.
Problem type: Missing end task
ID
Code Location
Description
1
Task start
Represents the location and associated call stack when the task began execution.
2
Parallel site
If present, represents the location and associated call stack of the beginning of the parallel site that contained the task.
void main() {     ANNOTATE_SITE_BEGIN(site_name);         ANNOTATE_TASK_BEGIN(taskname1);     ANNOTATE_SITE_END(); }
This example lacks an end-task annotation,
ANNOTATE_TASK_END()
.
An error also occurs if your code branches around a single
ANNOTATE_TASK_END()
annotation.
Possible Correction Strategies
Always execute an
ANNOTATE_TASK_BEGIN(taskname)
annotation before executing an
ANNOTATE_SITE_END()
annotation. This omission can be caused by
throw
exceptions,
return
,
break
,
continue
, and
goto
statements or keywords. All control flow paths out of a site need to use the
ANNOTATE_TASK_END()
annotations.

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