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Anonymous, 01/25/2016 12:12 PM

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h1. Building
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Quick guide for users on 100% compatible systems
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We assume that you have successfully downloaded and unpacked the package, possibly including 3rd-party packages in sphinx/sxaccelerate/3rd-party/packages/ .
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Please make sure that CPU throttling is deactivated when compiling (specifically: ATLAS!).
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<pre>
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   cd sphinx
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   ./setup
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   ./configure --disable-debug
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   make all
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   make install
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</pre>
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If this does not work, please read the rest of this page.
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You may want to run the [[testbed]] after compilation. 
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h2. Prerequisites
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    * C++ compiler
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    * automake
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    * libtool
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    * flex, bison
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    * Additional libraries (see also 3rd-party packages)
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    ** BLAS+LAPACK library
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    *** ATLAS+LAPACK or
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    *** mkl or
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    *** acml or
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    *** libGOTO or
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    *** ESSL 
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    ** FFT library
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    *** FFTW (recommended)
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    *** ACML (we encountered many bugs...) 
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    ** netCDF 
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| CentOS 5.6 | yum install gcc44-c++ gcc44-gfortran automake libtool flex bison |
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| Fedora 15 | yum install gcc-c++, gcc-gfortran, automake, libtool, flex, bison |
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| Debian 6 | apt-get install g++ gfortran automake libtool flex bison |
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| MacOS X 10.6 | X-Code (install from Apple installation DVD) |
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| Windows | port in progress..|
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Known issues with specific systems
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See here
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Please make sure that CPU throttling is deactivated when compiling the third-party libraries (specifically: ATLAS!). 
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Building
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Depending on the scope of your work with S/PHI/nX please choose the best fitting building approach:
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| | Users | Testers | Developers |
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| build S/PHI/nX release |once | once | frequently |
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| build S/PHI/nX debug | | once | frequently|
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| build SxAccelerate | | | once - frequently |
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| build numlibs | | | once - rarely |
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   * On machines with N CPUs: you may use parallel make via make -j 2N 
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h2. configure options (selection)
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| --disable-atlas  --disable-lapack  --enable-mkl  --with-mklpath=... | use MKL for BLAS/LAPACK (support for selected versions) | 	
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| --disable-atlas  --disable-lapack  --enable-acml | use ACML for BLAS/LAPACK |
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| --enable-mpi | compile MPI version (experimental) |
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| --enable-openmp | compile using openmp, try to use openmp numerical libraries (experimental) |
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| --with-numlibs=... | all external numerical libraries can be found in these paths (/path/1/:/path/2/:/path/3/) |
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| --without-numlibs | external numerical libraries can be found in standard paths or via specified LDFLAGS and CPPFLAGS |
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| CXX=... | set C++ compiler |
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| CXXFLAGS=... | set additional C++ compiler flags |
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| LDFLAGS=... | set additional linker flags (see compiler/linker docu) |
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|CPPFLAGS=... | set additional preparser flags (see compiler docu) |
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|CPPFLAGS='-I...' | set additional search path for external includes  |
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h2. S/PHI/nX users
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(Build S/PHI/nX only once to create an optimized executable.)
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    # cd sphinx
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    # ./setup
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    # ./configure --disable-debug --prefix=/instpath/to/sphinx
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    # make all install 
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If --prefix=/instpath/to/sphinx is omitted, SPHInX will be installed into the current directory.
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h2. S/PHI/nX test users
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(Build S/PHI/nX in debug and release only once to create an optimized executable as well as a version that can generate a memory core file.)
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    # cd sphinx
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    # ./setup
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    # ./configure --prefix=/instpath/to/sphinx --with-debug --with-release
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    # make all install 
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Read more about being a S/PHI/nX alpha tester.