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| − | The recommended way to compile the Einstein Toolkit is to use the [http://simfactory.org Simulation Factory] ("SimFactory").
| + | Please see https://github.com/nds-org/jupyter-et/blob/master/CactusTutorial.ipynb for build instructions on Linux, OSX and Windows. |
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| − | ==Supercomputers==
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| − | SimFactory comes with support for many of the large supercomputers. If you are compiling on one of these, it should be sufficient to run
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| − | sim build --thornlist path/to/thornlist.th
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| − | ==Generic operating systems==
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| − | SimFactory also contains general support for specific operating systems, including Mac OS, Ubuntu, and Scientific Linux. To build a configuration, you need to determine the correct optionlist to use from simfactory/mdb/optionlists. You can then choose the optionlist to use on the "sim build" command line:
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| − | sim build --thornlist path/to/thornlist.th --optionlist <optionlist-name>
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| − | ==Writing your own optionlist==
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| − | If your operating system is not supported, you will need to write your own optionlist. The options provided by Cactus are described in the [http://cactuscode.org/documentation/usersguide/UsersGuidech6.html#x9-19000B2.1 Cactus documentation]. This page provides additional information and recommendations.
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| − | The following is based on the ubuntu.cfg optionlist.
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| − | <pre>
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| − | VERSION = 2012-09-28
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| − | </pre>
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| − | Cactus will reconfigure when the VERSION string changes.
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| − | ===Compilers===
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| − | <pre>
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| − | CPP = cpp
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| − | FPP = cpp
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| − | CC = gcc
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| − | CXX = g++
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| − | F77 = gfortran
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| − | F90 = gfortran
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| − | </pre>
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| − | The C and Fortran preprocessors, and the C, C++, Fortran 77 and Fortran 90 compilers, are specified by these options. You can specify a full path if the compiler you want to use is not available on your default path. Note that it is strongly recommended to use compilers from the same family; e.g. don't mix the Intel C Compiler with the GNU Fortran Compiler.
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| − | ===Compilation and linking flags===
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| − | <pre>
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| − | CPPFLAGS = -DMPICH_IGNORE_CXX_SEEK
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| − | FPPFLAGS = -traditional
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| − | CFLAGS = -g3 -march=native -std=gnu99
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| − | CXXFLAGS = -g3 -march=native -std=gnu++0x
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| − | F77FLAGS = -g3 -march=native -fcray-pointer -m128bit-long-double -ffixed-line-length-none
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| − | F90FLAGS = -g3 -march=native -fcray-pointer -m128bit-long-double -ffixed-line-length-none
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| − | LDFLAGS = -rdynamic
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| − | </pre>
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| − | Cactus thorns can be written in C or C++. Cactus supports the C99 and C++0x standards respectively. Additionally, the Einstein Toolkit requires the GNU extensions provided by the options gnu99 / gnu++0x. If these extensions are not available, some Einstein Toolkit thorns will not compile.
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| − | The rdynamic linker flag ensures that additional information is available in the executable for producing backtraces at runtime in the event of an internal error.
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| − | <pre>
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| − | LIBDIRS =
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| − | C_LINE_DIRECTIVES = yes
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| − | F_LINE_DIRECTIVES = yes
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| − | </pre>
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| − | === Debugging ===
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| − | <pre>
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| − | DEBUG = no
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| − | CPP_DEBUG_FLAGS = -DCARPET_DEBUG
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| − | FPP_DEBUG_FLAGS = -DCARPET_DEBUG
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| − | C_DEBUG_FLAGS = -O0
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| − | CXX_DEBUG_FLAGS = -O0
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| − | F77_DEBUG_FLAGS = -O0
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| − | F90_DEBUG_FLAGS = -O0
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| − | </pre>
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| − | | |
| − | === Optimisation ===
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| − | <pre>
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| − | OPTIMISE = yes
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| − | CPP_OPTIMISE_FLAGS = -DKRANC_VECTORS # -DCARPET_OPTIMISE -DNDEBUG
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| − | FPP_OPTIMISE_FLAGS = # -DCARPET_OPTIMISE -DNDEBUG
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| − | C_OPTIMISE_FLAGS = -O2 -ffast-math
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| − | CXX_OPTIMISE_FLAGS = -O2 -ffast-math
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| − | F77_OPTIMISE_FLAGS = -O2 -ffast-math
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| − | F90_OPTIMISE_FLAGS = -O2 -ffast-math
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| − | </pre>
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| − | === Profiling ===
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| − | <pre>
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| − | PROFILE = no
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| − | CPP_PROFILE_FLAGS =
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| − | FPP_PROFILE_FLAGS =
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| − | C_PROFILE_FLAGS = -pg
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| − | CXX_PROFILE_FLAGS = -pg
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| − | F77_PROFILE_FLAGS = -pg
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| − | F90_PROFILE_FLAGS = -pg
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| − | </pre>
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| − | === OpenMP ===
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| − | <pre>
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| − | OPENMP = yes
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| − | CPP_OPENMP_FLAGS = -fopenmp
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| − | FPP_OPENMP_FLAGS = -fopenmp
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| − | C_OPENMP_FLAGS = -fopenmp
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| − | CXX_OPENMP_FLAGS = -fopenmp
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| − | F77_OPENMP_FLAGS = -fopenmp
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| − | F90_OPENMP_FLAGS = -fopenmp
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| − | </pre>
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| − | | |
| − | === Warnings ===
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| − | <pre>
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| − | WARN = yes
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| − | CPP_WARN_FLAGS = -Wall
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| − | FPP_WARN_FLAGS = -Wall
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| − | C_WARN_FLAGS = -Wall
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| − | CXX_WARN_FLAGS = -Wall
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| − | F77_WARN_FLAGS = -Wall
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| − | F90_WARN_FLAGS = -Wall
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| − | </pre>
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| − | ===HDF5===
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| − | <pre>
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| − | HDF5_ENABLE_FORTRAN = no
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| − | HDF5_ENABLE_CXX = no
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| − | </pre>
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| − | ===MPI===
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| − | <pre>
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| − | MPI_DIR = /usr
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| − | MPI_INC_DIRS = /usr/include/mpich2
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| − | MPI_LIB_DIRS = /usr/lib
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| − | MPI_LIBS = mpich fmpich mpl
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| − | </pre>
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| − | ===Others===
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| − | <pre>
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| − | PTHREADS = yes
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| − | </pre>
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