XL Fortran for AIX

Soluciones de IBM Rational para Power Systems
Software

XL Fortran es el compilador preferido por las comunidades de científicos e ingenieros para ayudarlos en una gran cantidad de cálculos numéricos, científicos y de alto rendimiento.

XL Fortran for AIX está diseñado para optimizar su infraestructura de Power Systems. Gracias a múltiples mejoras, al soporte de los estándares más recientes, a bibliotecas matemáticas altamente especializadas y a la tecnología de optimización líder del sector, con XL Fortran for AIX podrá sacar el máximo partido de su inversión en hardware.

  • El lenguaje de programación preferido para hacer cálculos numéricos intensivos en sistemas informáticos de alto rendimiento.
  • Rendimiento de la aplicación: Líderes del sector en la tecnología de optimización que maximiza el rendimiento de las aplicaciones que se ejecutan en Power Systems.
  • Mejora de la productividad del desarrollador: Gracias al acceso a bibliotecas y programas de utilidad de optimización y desarrollo muy especializados, los desarrolladores pueden centrarse en la lógica empresarial.
  • Portabilidad de aplicaciones: implementa completamente los estándares Fortran 2003, OpenMP 3.0, Fortran 95, Fortran 90 y FORTRAN 77, lo que permite migrar fácilmente las aplicaciones a Power Systems.
  • Conozca las novedades de XL Fortran for AIX V13.1 (US) incluyendo mejoras para utilizar el hardware POWER7 más reciente.

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DescriptionBenefit
Industry leading optimization and performance tuning technology
Improve compilation time and scalability for a wide range of applications at a number of commonly used optimization levels. The result is faster compile time for applications that contain Fortran 90 array language and Fortran modules. The improved scalability allows significantly larger programs to be optimized.
Compiler optimization reports provide information about the optimizations that the compiler was able to perform and also which optimizations were missed. Reports about compiler optimizations identify opportunities to improve code performance thereby reducing programming effort to tune applications.
Industry-leading optimizations including advanced loop optimizations, aggressive inlining and whole program analysis. Improved performance on POWER architectures for a wide range of applications from highly tuned scientific code to very large commercial applications.
Vector instruction support for systems with processor architectures and operating systems that execute single instruction, multiple data (SIMD) instruction sets, including Vector Multimedia eXtension (VMX) instructions and the POWER7 Vector Scalar eXtension (VSX) instruction set Simplifies and improves manipulation of vector operations in applications.
High performance libraries specifically tuned for POWER architecture
Mathematical Acceleration Subsystem (MASS) consists of libraries of mathematical intrinsic functions tuned specifically for optimum performance on Power Architecture.
Shared memory parallelization (SMP) runtime library supports both explicit and automatic parallel processing.		 These libraries will increase user productivity, and runtime application performance speeding initial development, resulting in fewer bugs and cutting long-term maintenance costs.
Profile driven optimization
Profile directed feedback (PDF) optimization: collects information about an application run with typical input data and then applies transformations to the program based on that information. PDF can ensure the performance of the application is optimized for its important inputs. Application profile monitoring and profile directed feedback capabilities minimize the need for manual tuning to achieve desirable performance on large, complex applications.
SHOWPDF reports provide profiling information that includes block-counter and call-counter profiling information and now cache-miss profiling and value profiling information. SHOWPDF reports identify opportunities to improve code performance thereby reducing programming effort to tune applications.
Debugging capabilities
XL compilers generate debugging information for use by a symbolic debugger. XL compilers help increase programmer productivity and lower maintenance costs by providing information consumable by standard symbolic debugging tools.

The user benefits from a familiar development environment using debugging tools of choice with increased proficiency and productivity, debugging source and optimized code.
Improved capability for debugging optimized code. Users can balance between debug capability and application performance.
Language standards compliance
Supports:
  • Fortran 2003
  • Fortran 95
  • Fortran 90
  • FORTRAN 77
  • Fortran 2008 partial support begins
 XL compilers comply with the latest international programming language standards, including language interoperability standards, providing support for code portability between multiple operating systems and hardware platforms.
XL compilers help protect the investment in existing Fortran source and object code built with previous versions of the compilers allowing users to rebuild and link all the components into the same applications using the latest compiler versions,. Similarly, object code or libraries compiled with previous versions of XL Fortran are still compatible with the newest XL Fortran compiler and runtime environment.
Language extensions to support VMX and VSX vector programming Simplifies and improves manipulation of vector operations in applications.
Full support for the latest OpenMP 3.1 specification providing new features to support the development of parallel applications. OpenMP is a portable, scalable programming model that provides parallel programmers a simple and flexible, standard interface for developing parallel applications for platforms ranging from the desktop to the supercomputer.

XL Fortran for AIX, V14.1


Operating SystemSoftwareHardware
AIX AIX 5.3 TL 5300-07 (or later), AIX 6.1, or AIX 7.1, or IBM PASE for i 6.1 (with PTF SI30636 or later), or IBM PASE for i 7.1 IBM Power System servers supporting the IBM Power Architecture

250 MB disk space

XL Fortran for AIX, V13.1


Operating SystemSoftwareHardware
AIX AIX 5.3 (TL 5300-07 or later), AIX 6.1, AIX 7.1, or IBM PASE for i 6.1 (with PTF SI30636 or later) IBM Power Systems servers supporting the IBM Power Architecture

250 MB disk space

XL Fortran for AIX, V12.1


Operating SystemSoftwareHardware
AIX AIX 5.3 TL 5300-06 (or higher)

AIX 6.1, AIX 7.1, or IBM i 6.1 PASE		 IBM Power Systems servers supporting the IBM Power Architecture

250 MB disk space

All versions


Operating SystemSoftwareHardware
All versions Frames-capable browser to view HTML-based online documentation

PDF viewer to access PDF documentation

Graphical desktop environment (such as K Desktop Environment (KDE) or GNOME) that supports web browsers and PDF viewers

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XL Fortran for AIX

IBM Software