Welcome to the cosmological hydrodynamical code ______ _________________ / ___/ | / / _/ ___/_ __/ \__ \| | /| / // // /_ / / ___/ /| |/ |/ // // __/ / / /____/ |__/|__/___/_/ /_/ SPH With Inter-dependent Fine-grained Tasking Website: www.swiftsim.com Twitter: @SwiftSimulation See INSTALL.swift for install instructions. Usage: swift [OPTION]... PARAMFILE swift_mpi [OPTION]... PARAMFILE swift_fixdt [OPTION]... PARAMFILE swift_fixdt_mpi [OPTION]... PARAMFILE Valid options are: -a Pin runners using processor affinity -c Run with cosmological time integration -d Dry run. Read the parameter file, allocate memory but does not read the particles from ICs and exit before the start of time integration. Allows user to check validy of parameter and IC files as well as memory limits. -e Enable floating-point exceptions (debugging mode) -f {int} Overwrite the CPU frequency (Hz) to be used for time measurements -g Run with an external gravitational potential -G Run with self-gravity -n {int} Execute a fixed number of time steps. When unset use the time_end parameter to stop. -s Run with SPH -t {int} The number of threads to use on each MPI rank. Defaults to 1 if not specified. -v [12] Increase the level of verbosity 1: MPI-rank 0 writes 2: All MPI-ranks write -y {int} Time-step frequency at which task graphs are dumped -h Print this help message and exit See the file examples/parameter_example.yml for an example of parameter file.
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Peter W. Draper
authored
Intrinsic vectorisation I have implemented vectorised versions of the symmetrical and non-symmetrical density and force interaction functions for the `GADGET_SPH` scheme. There are also tests for each interaction in `tests/testInteractions.c`. There are some bug fixes in the `DEFAULT_SPH` along with changes to the `struct part` and minor renaming of variables. Calculations of the `balsara` switch and `P_over_rho2` are now performed in `hydro_prepare_force()` rather than in `runner_iact_nonsym_force` or `runner_iact_force`. Note: The !203 `gadget2-part-update` branch should be merged with master prior to this merge request. See merge request !204
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