A fix is available
APAR status
Closed as program error.
Error description
(COB V5.2) When compared to COB V4.2, a significant increase in response and CPU time can occur for CICS transactional processes where transactions are "short processes" by definition and exponentiation is used.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of Enterprise COBOL 5.1 compiling and * * running programs that have arithmetic * * statements that compute exponential * * expressions with large powers. * * * **************************************************************** * PROBLEM DESCRIPTION: Performance problem: * * A program compiled with Enterprise * * COBOL 5.1 ran slower than the same * * program compiled with Enterprise * * COBOL 4.2. * * * * * **************************************************************** * RECOMMENDATION: Apply the provided PTF. * * * **************************************************************** Exponential expressions with integral powers greater than 32 were being less aggressively optimized than exponential expressions with smaller powers.
Problem conclusion
The compiler was modified to optimize exponential expressions with large powers.
Temporary fix
Comments
APAR Information
APAR number
PI46537
Reported component name
ENT COBOL FOR Z
Reported component ID
5655W3200
Reported release
510
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-08-07
Closed date
2015-08-24
Last modified date
2015-10-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
IGYCBE
Fix information
Fixed component name
ENT COBOL FOR Z
Fixed component ID
5655W3200
Applicable component levels
R510 PSY UI30482
UP15/09/02 P F509
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.
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Document Information
Modified date:
02 October 2015