Open Transaction Environment › Performance

Performance

OTE provides improved performance that is the result of the following two factors.

• Availability of many TCBs to run many CICS tasks concurrently
• Save on the number of switching TCBs while running a task

The higher the percentage of Threadsafe programs run in a CICS/TS environment, the lower the need to switch back and forth between the QR and Open TCBs. An application not using any of the shared resources is considered to be Threadsafe even if it uses non-Threadsafe CICS commands. The exception is if it is self modifying and therefore not reentrant.

Note: Replacing non-Threadsafe commands adds to improved performance.