PI89057: NEW FUNCTION: IMPROVED RUNTIME PERFORMANCE WITH ABO OPTIMIZED MODULES.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Improved runtime performance with ABO optimized modules.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of the IBM Automatic Binary        *
  *                 Optimizer (ABO) for z/OS, v1.3               *
  ****************************************************************
  * PROBLEM DESCRIPTION: This new function APAR adds             *
  *                      performance improvements for modules    *
  *                      using any ARCH setting.                 *
  *                                                              *
  *                      The performance improvements include    *
  *                      modules compiled from source            *
  *                      containing:                             *
  *                                                              *
  *                      - SEARCH ALL, MOVE and COMPUTE          *
  *                      statements in the case when there is    *
  *                      also a large amount of LOCAL STORAGE    *
  *                      or OCCURS DEPENDING ON data items       *
  *                      present                                 *
  *                      - Divide statements on packed or        *
  *                      zoned decimal data items                *
  *                      - Comparison statements on multiple     *
  *                      elements of a table where the           *
  *                      subscript is a zoned decimal data item  *
  *                      and the compiler option NOOPT has been  *
  *                      used                                    *
  *                      - COMPUTE or MOVE statements on         *
  *                      binary or comp data items (and the      *
  *                      compiler option TRUNC(STD) was used)    *
  *                      or                                      *
  *                      comp-5 data items                       *
  *                      - MOVEs of unsigned packed and/or       *
  *                      zoned decimal data between working      *
  *                      storage and linkage section data items  *
  *                      - MOVEs from internal floating-point    *
  *                      to zoned or packed decimal data items   *
  *                      - COMPUTE statements containing mixed   *
  *                      internal floating point and             *
  *                      packed/zoned decimal items as well as   *
  *                      exponentiation operations on            *
  *                      packed/zoned decimal types              *
  ****************************************************************
  * RECOMMENDATION: Apply provided service                       *
  ****************************************************************
  ABO was enhanced to improve the performance of the optimized
  modules.
  

Problem conclusion

• The optimized modules generated by ABO have improved
  performance.
  

Temporary fix

Comments

APAR Information

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

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

  UI51540 UI51541

Modules/Macros

• BOZBXITA BOZEXE1  BOZJIVP  BOZMSGE  BOZMSGK  BOZMSGT  BOZOBJ1
  BOZOPT   BOZRIDT  BOZSRC1
  

Fix information

• Fixed component name

  AUTO BINARY OPT

• Fixed component ID

  5697AB100

Applicable component levels

• R130 PSY UI51540

     UP17/11/01 P F710  

• R13J PSY UI51541

     UP17/11/01 P F710  

Fix is available

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