Case vs Perform i Of

*  (I = 5 in this test)
 CASE I.
  WHEN 1. PERFORM PV1.
  WHEN 2. PERFORM PV2.
  WHEN 3. PERFORM PV3.
  WHEN 4. PERFORM PV4.
  WHEN 5. PERFORM PV5.
  WHEN 6. PERFORM PV6.
  WHEN 7. PERFORM PV7.
  WHEN 8. PERFORM PV8.
 ENDCASE.

 

*  (I = 5 in this test)
 PERFORM I OF
             PV1
             PV2
             PV3
             PV4
             PV5
             PV6
             PV7
             PV8.

 

 

Documentation
A very fast way to call a certain routine using a given
index is the Perform i Of ... statement.