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PI65018: MORE CPU UTILIZATION IN CBL V5.2 VS CBL V4.2 WITH INSPECT REPLACING

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APAR status

  • Closed as program error.

Error description

  • Fixed Compiler back end to streamline INSPECT REPLACING code to
decrease CPU utilization.

Local fix

  • LOCAL FIX:Ø
Apply PTF

Problem summary

  • ****************************************************************
* USERS AFFECTED: Users of Enterprise COBOL 5.2 compiling and  *
*                 running programs that contain INSPECT        *
*                 statements.                                  *
*                                                              *
****************************************************************
* PROBLEM DESCRIPTION: Runtime performance: Certain INSPECT    *
*                      statements take longer to execute in    *
*                      COBOL 5.2 than in previous COBOL        *
*                      versions.                               *
*                                                              *
****************************************************************
* RECOMMENDATION: Apply the provided PTF.                      *
*                                                              *
****************************************************************
The algorithm used to implement INSPECT in COBOL 5 is slower in
certain cases.

Problem conclusion

  • The algorithm was changed to improve performance for INSPECT
statements.

Temporary fix

  • 



Comments


    

  • ×**** PE17/04/13 FIX IN ERROR. SEE APAR PI79448  FOR DESCRIPTION

    



APAR Information




    

  • APAR number
    PI65018
    • 

  • Reported component name
    ENT COBOL FOR Z
    • 

  • Reported component ID
    5655W3200
    • 

  • Reported release
    520
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2016-06-28
    • 

  • Closed date
    2016-07-22
    • 

  • Last modified date
    2017-04-17
    • 





    

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

    • 

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

    
PI68286
    

    • 



Modules/Macros


    

  •    IGYCBE

    



Fix information


    

  • Fixed component name
    ENT COBOL FOR Z
    • 

  • Fixed component ID
    5655W3200
    • 



Applicable component levels


    

  • R520  PSY  UI39594
       UP16/07/29  P  F607
    • 



Fix is available


    

  • Select the PTF appropriate for your component level.
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Document Information


            

            


                        

            Modified date:
            

            17 April 2017
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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