IBM Support

PM78397: Unnecessary synchronization limits XC10 performance.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • A block of code establishes a synchronization lock which is
    not needed.  This lock limits concurrency and reduces overall
    throughput in the XC10.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All XC10 users                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Unnecessary synchronization limits      *
    *                      XC10 performance.                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A block of code establishes a synchronization lock that is not
    needed.  This lock limits concurrency and reduces overall
    throughput in the XC10.
    

Problem conclusion

  • The synchronization lock will be removed.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM78397

  • Reported component name

    WS EXTREME SCAL

  • Reported component ID

    5724X6702

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-04

  • Closed date

    2013-03-20

  • Last modified date

    2013-03-20

  • 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

    WS EXTREME SCAL

  • Fixed component ID

    5724X6702

Applicable component levels

  • R860 PSY

       UP

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTVLU","label":"WebSphere eXtreme Scale"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"850","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
06 January 2022