The Automatic Binary Optimizer for z/OS® (ABO) reduces CPU utilization of COBOL applications without recompilation. It leverages the latest optimization technology to improve the performance of COBOL program modules, and generates code to target the latest IBM z® mainframes including the new IBM z14. ABO is supported by IBM Application Delivery Foundation for z Systems® family of products, containing IBM Developer for z Systems Enterprise Edition which includes the IBM Debug for z Systems, IBM Fault Analyzer for z/OS, and IBM Application Performance Analyzer for z/OS.