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PH18868: NEW FUNCTION: IMPROVED RUNTIME PERFORMANCE WITH ABO OPTIMIZED MODULES.

A fix is available

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APAR status

  • Closed as new function.

Error description

  • NEW FUNCTION: Improved runtime performance with ABO optimized
    modules.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of IBM Automatic Binary Optimizer      *
    *                 (ABO) for z/OS, v2.1                         *
    ****************************************************************
    * PROBLEM DESCRIPTION: This new function APAR adds             *
    *                      improvements to the runtime             *
    *                      performance                             *
    *                      for ABO optimized modules.              *
    *                                                              *
    *                      The performance improvements impact     *
    *                      modules compiled from source            *
    *                      containing:                             *
    *                                                              *
    *                      -  COBOL STRING statements which use    *
    *                      DELIMITED BY SIZE at all ARCH settings  *
    *                      - REVERSE intrinsic functions when      *
    *                      ARCH=11, 12 or 13 is specified          *
    *                      -  INSPECT CONVERTING and some INSPECT  *
    *                      REPLACING statements on data items      *
    *                      that are less than or equal to 16       *
    *                      bytes when ARCH=11, 12 or 13 is         *
    *                      specified                               *
    *                      -  MOVE and COMPUTE statements on       *
    *                      packed and zoned decimal data items     *
    *                      when ARCH=12 or 13 is specified         *
    *                      -  Uses of the register backing store   *
    *                      (RBKST) area in the generated code by   *
    *                      the original compiler at all ARCH       *
    *                      settings                                *
    ****************************************************************
    * RECOMMENDATION: Apply provided service                       *
    ****************************************************************
    ABO was modified to improve the performance of ABO-optimized
    modules.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PH18868

  • Reported component name

    AUTO BINARY OPT

  • Reported component ID

    5697AB200

  • Reported release

    210

  • Status

    CLOSED UR1

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-11-05

  • Closed date

    2019-11-15

  • Last modified date

    2020-02-19

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Modules/Macros

  • BOZBXITA BOZEXE1  BOZJIVP  BOZMSGE  BOZMSGK  BOZMSGT  BOZOBJ1
    BOZOPT   BOZRIDT  BOZSRC1
    

Fix information

  • Fixed component name

    AUTO BINARY OPT

  • Fixed component ID

    5697AB200

Applicable component levels

  • R210 PSY UI66467

       UP19/11/19 P F911

  • R21J PSY UI66468

       UP19/11/19 P F911

Fix is available

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Document Information

Modified date:
27 March 2020