A fix is available
APAR status
Closed as program error.
Error description
Error Message: Minor regression (usually less then 2%) are observed when running small workload in JAVA 7.1.3.0 . Stack Trace: N/A . N/A
Local fix
This issue can be worked around using the -Xjit:disableConservativeInlining
Problem summary
The problem was caused when the JAVA code has a narrow profile(i.e. most of the time of execution are concentrated on small portion of the code)
Problem conclusion
Optimizer has been changed to optimize more aggressively for narrow profile . This APAR will be fixed in the following Java Releases: 7 R1 SR3 FP20 (7.1.3.20) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the available Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV76382
Reported component name
JIT
Reported component ID
620700124
Reported release
130
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-08-26
Closed date
2015-08-28
Last modified date
2015-08-28
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
JIT
Fixed component ID
620700124
Applicable component levels
R130 PSY
UP
[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"130"}]
Document Information
Modified date:
03 October 2021