Easytrieve program has beaten SYNCSORT in the CPU performance

Recently I tried to replace an Easytrieve program with SYNCSORT for performance reasons.

The below Easytrieve program was running for 6 minutes and it issued 1,051,382 EXCP’s and consumed 15.84 CPU seconds.

The input file had about 60 million records.

FILE FILEIN                     
IN-REC          1  244  A  
IN-FIELD1     212    1  A      
IN-FIELD2     213   11  N 4    
IN-FIELD3     224    5  N      
IN-FIELD4     229   11  N 4    
IN-FIELD5     240    5  N      

FILE FILEOUT   FB(0 0)          
OUT-REC         1  246  A  
OUT-FIELD1    212    3  A  
OUT-FIELD2    215   11  N 4
OUT-FIELD3    226    5  N  
OUT-FIELD4    231   11  N 4
OUT-FIELD5    242    5  N  
 
JOB INPUT FILEIN                         
*                                        
OUT-REC = IN-REC                         
*                                        
IF IN-FIELD1  = ' '                
   OUT-FIELD1 = '   '               
ELSE                                      
   OUT-FIELD1 = 'XXX'             
END-IF                                   
*                                        
OUT-FIELD2 = IN-FIELD2   
OUT-FIELD3 = IN-FIELD3        
OUT-FIELD4 = IN-FIELD4   
OUT-FIELD5 = IN-FIELD5        
*                                        
PUT FILEOUT                              
 

I created below SORT card to replace the above program. SORT step completed in 2 minutes 45 seconds.

It issued 58,423 EXCPs and consumed 25.10 CPU seconds.

  OPTION COPY
  INREC IFTHEN=(WHEN=(212,1,CH,EQ,C' '),      
      BUILD=(1:1,211,C'   ',213,32)),           
      IFTHEN=(WHEN=NONE,
      BUILD=(1:1,211,C'BER',213,32))

 Below is the comparison 

EZT program	SORT	EZT program	SORT	EZT program	SORT
CPU time	CPU time	Elapsed time	Elapsed time	IO count	IO count
15.84 seconds	25.1 seconds	00:05:31	00:02:45	1,051,382	58,423

Though SORT has beaten EZT program by elapsed time, it could NOT beat when it comes to CPU time.