**Libraries of high-performance mathematical functions**

IBM® Mathematical Acceleration Subsystem (MASS) consists of libraries of mathematical functions tuned for optimum performance on a variety of IBM processors.

- Mathematical Acceleration Subsystem (MASS) consists of libraries of tuned mathematical functions, available in versions for the AIX® and Linux® platforms.
- MASS libraries offer improved performance over the standard mathematical library routines, are thread-safe and support compilations in C, C++, and Fortran applications.
- The MASS libraries are shipped with the XL C, XL C/C++, and XL Fortran compiler products, and are also available for separate download from this site.

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## Mathematical Acceleration Subsystem

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Priority code: Portfolio