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milkway@home client
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weissj3/milkywayathome_client
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Build instructions:
basic build:
$ cmake path/to/source
$ make
Tests can be run with:
$ make check
Default build type is release. To enable debugging
$ cmake /path/to/source/checkout -DCMAKE_BUILD_TYPE=Debug
e.g, in the checkout directory,
$ cmake .
Options can be passed to cmake with -D. cmake will walk you through
various options if you run it with -i, such as
$ cmake -i .
Example options:
$ cmake . -DBOINC_APPLICATION=OFF -DCMAKE_C_COMPILER=/usr/bin/clang
Common ON/OFF options:
BOINC_APPLICATION: Build with BOINC or not. More convenient to not use BOINC for general use, testing
STATIC_EVERYTHING: Statically link everything.
BOINC_RELEASE_NAME: Use the long names BOINC uses which include
version and system information
DOUBLEPREC: Use doubles (on by default, and quite likely to not work)
NBODY_OPENMP: Use OpenMP for multithreaded nbody
Notes:
Recommended compilers:
separation: clang
nbody: gcc
MSVC should work with separation, and won't with N-body
A popt which builds with MSVC: https://github.com/arsenm/POPT
Dependencies:
() = optional for a functioning build
separation: popt, (boinc)
nbody: popt, lua, (boinc) (crlibm) (libssl)
On Ubuntu / Debian:
$ apt-get install cmake libpopt-dev boinc-dev liblua5.1-0-dev libssl-dev
Macports:
$ port install cmake popt json-c
Build BOINC libraries yourself
MinGW:
build with -DCMAKE_INSTALL_PREFIX=/usr/local for some reason helps find things
Notes:
- Consistent N-body results between different systems require crlibm
and SSE2 (at least on x86, not sure about other architectures)
- All give usage with --help/-? arguments
- separation will do a separation after the integration if given an
output file. There is also an argument to set the random number seed.
- Returning nil from makePotential() for N-body will run the
simulation without an external potential
--------------------------------------------------------------------------------
Nbody:
Tests can be run by running:
$ make test
However this runs all of the tests, which takes forever. You can run
(from the tests directory) some core functionality tests with:
$ make check
Other tests can be run with a certain number of bodies depending on
how long you want to wait with:
$ make test_${n}
Currently n = 100, 1024, 10000 are available.
--------------------------------------------------------------------------------
Random notes:
make nbody_release and make separation_release will produce release
tarballs if git and xz are installed and found.
- Make sure when building with MSVC to set built to use Multithreaded
(/MT) for the builds of the various libraries
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