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C/C++ compilers for IBM Z Blog

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5894415f-be62-4bc0-81c5-3956e82276f3 Blog

Highlights

  • XL C/C++ and XL Fortran for Linux evaluation versions now hosted on public yum, apt-get and zypper repositories!
  • What XL compiler options should I use to optimize C++ code?
  • What new C++11 language features you will get by using the latest XL C++ compiler starting with V13.1.2? (and a sneak peak at C++14)
  • Options support on Little Endian Linux - Using GCC options is now easier with XL C/C++ V13.1.2
  • Announcing the z/OS V2.2 XL C/C++ Compiler

About this blog

XL C/C++ for z/OS
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    MASS v6.0 -- High performance math libraries for POWER7

    RobertEnenkel 0600026DN7 | | Visits (6393)

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    Mathematical Acceleration Subsystem (MASS) Version 6.0 for AIX has been released. This high performance suite of elementary and special mathematical functions contains two new libraries tuned for the IBM POWER7 processor, and exploiting the POWER7 VSX SIMD instruction set. MASS v6.0 offers performance on POWER7 of up to 260 times that of the system math library libm, and up to 4 times that of previous versions of MASS. MASS v6.0 ships with the IBM XL C/C++ for AIX v11.1 and XL Fortran for AIX v13.1 compilers, which provide for both explicit... [More]

    Tags:  library elementary_functions mass cppcafe scientific vector simd numerical performance

    MASS auto-vectorization paper now on developerWorks

    RobertEnenkel 0600026DN7 | | Visits (5752)

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    If your applications call mathematical functions such as sin, cos, exp, log, etc. and you are interested in maximizing performance with minimum effort, here is something that will interest you! My colleague Daniel Zabawa and I have written a paper, "How to improve the performance of programs calling mathematical functions -- taking advantage of IBM XL C/C++ or XL Fortran compiler auto-vectorization". Our paper introduces the IBM MASS high-performance mathematical libraries, and demonstrates how to benefit from them — without the need for... [More]

    Tags:  elementary_functions performance vectorization numerical mass simd autovecgtorization vector library scientific cppcafe hpc

    MASS high-performance mathematical function libraries

    RobertEnenkel 0600026DN7 | | Visits (6822)

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    Hello -- I'm the technical leader for the IBM MASS math libraries. MASS stands for Mathematical Acceleration Subsystem, and consists of libraries of mathematical functions specifically tuned for optimum performance on various computing platforms. MASS was originally launched by IBM in 1995, and has been continuously improved and expanded since then. I've been involved with MASS since 2002. There are currently versions of MASS for all the POWER processors, running AIX or Linux operating systems. There are also versions for BlueGene/L and... [More]

    Tags:  performance mass simd scientific scalar vector elementary_functions numerical cppcafe library hpc
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