Why recompile with V6?

Enterprise COBOL V6 includes a number of improvements over Enterprise COBOL V5 and V4. Recompiling your applications will leverage the advanced optimizations and z/Architecture® exploitation capabilities in Enterprise COBOL V6, delivering performance improvements for COBOL on IBM® Z. Compared to COBOL V5, the capacity of the COBOL V6 compiler internals are expanded to allow for the compilation and optimization of large programs. You can now use COBOL V6 to compile much larger programs, including COBOL programs that are created by code generators.

Improved performance is delivered through: