PH69558: Z CODE OPTIMIZATION ADVICE - 2.8.10 Z/OS HOST COMPONENT RELEASE

Obtain the fix for this APAR.

APAR status

• Closed as unreproducible in next release.

Error description

• Z CODE OPTIMIZATION ADVICE - 2.8.10 Z/OS HOST COMPONENT RELEASE
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of Z Code Optimization Advice,     *
  *                 and users of Z Code Optimization Advice      *
  *                 compiling programs with EVALUATE ... WHEN    *
  *                 statements. Users of Z Code Optimization     *
  *                 Advice who upgrade to the IBM watsonx Code   *
  *                 Assistant for Z 2.8.10 release should        *
  *                 upgrade the z/OS host component to obtain    *
  *                 new function support.                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: New Function:                           *
  *                      1. Z Code Optimization Advice now       *
  *                      includes information about variables    *
  *                      identified in problems, enabling the Z  *
  *                      Code Optimization Advice VSCode         *
  *                      Extension to allow users to click on a  *
  *                      variable name and jump to the location  *
  *                      in the source file where that variable  *
  *                      is defined.                             *
  *                      2. Z Code Optimization Advice now       *
  *                      recommends WHEN clauses in EVALUATE     *
  *                      statements be reordered so that         *
  *                      frequently-executed WHEN clauses are    *
  *                      evaluated first, increasing the         *
  *                      overall performance of the EVALUATE     *
  *                      statements.                             *
  ****************************************************************
  * RECOMMENDATION: Apply the IBM-provided PTF.                  *
  ****************************************************************
  1. Z Code Optimization Advice now includes
  information about variables identified in
  problems, enabling the Z Code Optimization
  Advice VSCode Extension to allow users to
  click on a variable name and jump to the
  location in the source file where that
  variable is defined.
  2. Z Code Optimization Advice now
  recommends WHEN clauses in EVALUATE
  statements be reordered so that
  frequently-executed WHEN clauses are
  evaluated first, increasing the overall
  performance of the EVALUATE statements.
  

Problem conclusion

Temporary fix

Comments

• Z Code Optimization Advice was updated as follows:
  1. Z Code Optimization Advice now includes information about
  variables identified in problems, enabling the Z Code
  Optimization Advice VSCode Extension to allow users to click on
  a variable name and jump to the location in the source file
  where that variable is defined.
  2. Z Code Optimization Advice now recommends WHEN clauses in
  EVALUATE statements be reordered so that frequently-executed
  WHEN clauses are evaluated first, increasing the overall
  performance of the EVALUATE statements.
  

APAR Information

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

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

  UO06403

Modules/Macros

• CQIALC   CQIBE    CQIBXITA CQICONFG CQIINI1  CQIINI2  CQIINI3
  CQIINIJ1 CQIINIJ2 CQIINIJ3 CQIINIT  CQIINITJ CQIIVPE  CQIIVPJ
  CQIIVPS1 CQIIVPS2 CQIMSGE  CQIMSGK  CQIMSGT  CQIRIDT
  

Fix information

• Fixed component name

  CODE OPT ADVICE

• Fixed component ID

  5900B4M04

Applicable component levels

• R210 PSY UO06403

     UP26/01/27 P F601

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.