PI58848: NEW FUNCTION: SPE - PERFORMANCE IMPROVEMENTS

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• These PTFs provide important performance enhancements
  for several DFSORT functions that generate code at run time.
  
  For complete details of the enhancements provided by these PTFs,
  including syntax, restrictions and added/changed messages,
  refer to the September, 2016 version of the "User Guide for
  DFSORT PTFs UI40659 and UI40658, which is available on the
  DFSORT homepage at:
  
  http://www.ibm.com/storage/dfsort
  "User Guide for DFSORT PTFs UI40659 and UI40658" is a
  supplement to the following DFSORT publications:
  o z/OS DFSORT Application Programming Guide (SC23-6878-nn)
  o z/OS DFSORT Messages, Codes and Diagnosis Guide (SC23-6879-nn)
  You can link to these publications by using the "Publications"
  link on the DFSORT homepage.
  
  You can also find additional information on DFSORT and DFSORT's
   ICETOOL on the DFSORT homepage, including articles, online
   books, news, tips, techniques, examples, and more.
  The following messages are added:
   None
  
  The following messages are changed:
   None
  
  Keywords: D/T2964 2964
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All V2R1 DFSORT users who want               *
  *                 to increase system performance               *
  *                 when cache slot size is more than 128.       *
  ****************************************************************
  * PROBLEM DESCRIPTION: Internal DFSORT programs generated      *
  *                      from customer input data are working    *
  *                      slower on modern processors with cache  *
  *                      slot size greater than 128 bytes.       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

Temporary fix

Comments

• DFSORT is modified to increase system performance when cache
  slot size is more than 128.
  

APAR Information

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

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

  UI40658 UI40659

Modules/Macros

• ICEDEF   ICEEXIN  ICEEXIO  ICEFVLE  ICEFVL2
  ICEFXIT  ICEINIC  ICEINIF  ICEINSD  ICEINSE  ICEINSF  ICEINTA
  ICEINTD  ICEMOS   ICETRYB  ICETRYP
  

Fix information

• Fixed component name

  DATA FACILITY S

• Fixed component ID

  5740SM105

Applicable component levels

• RL00 PSY UI40659

     UP16/09/20 P F609

• RM00 PSY UI40658

     UP16/09/20 P F609

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.