APAR status
Closed as program error.
Error description
Performance degradation is seen in applications compiled with PDF optimization with the XL C/C++ for AIX, V16.1 compiler as compared against the same applications built with the XL C/C++ for AIX, V13.1 compiler.
Local fix
Problem summary
PROBLEM DESCRIPTION: PDF information for functions collected during the pdf1 stage is not correctly correlated to other functions, causing reduced optimization opportunity. USERS AFFECTED: Users who build applications with PDF optimization.
Problem conclusion
The ability to correlate PDF data was corrected, and optimization opportunities are restored.
Temporary fix
Comments
APAR Information
APAR number
IJ36561
Reported component name
XL C/C++ FOR AI
Reported component ID
5725C7200
Reported release
G10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-12-14
Closed date
2022-02-23
Last modified date
2022-02-23
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
XL C/C++ FOR AI
Fixed component ID
5725C7200
Applicable component levels
[{"Line of Business":{"code":"LOB57","label":"Power"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGH3R","label":"XL C\/C++ for AIX"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"G10"}]
Document Information
Modified date:
24 February 2022