Power11 technology exploitation

IBM Open XL C/C++ for AIX 17.1.4 adds support for the Power11 hardware platform. Use these enhancements to exploit Power11 technology with IBM Open XL C/C++ for AIX 17.1.4.

Compiler options

-mcpu=pwr11: Produces code that exploits the features of the Power11 processor.

-mtune=pwr11: Tunes architecture-dependent performance enhancements, such as scheduling, to enable programs to run optimally on a specific hardware architecture.

Compiler macros

_ARCH_PWR11: Indicates that the application is targeted to run on Power11 processors. The macro is predefined when the -mcpu=power11 option is in effect.

MASS libraries

The vector library libmassvp11.a and the SIMD library libmass_simdp11.a contain functions that are tuned for the Power11 architecture.

For more information, see Using the Mathematical Acceleration Subsystem (MASS) libraries.