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Make sure all ranks compute h and u, not just rank 0

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Matthieu Schaller 2021-03-28 23:14:29 +02:00
parent 098dafa1ef
commit 36bf7b0760
1 changed files with 22 additions and 23 deletions
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45
src/plugins/output_swift.cc
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@ -92,6 +92,28 @@ public:
MPI_Comm_size(MPI_COMM_WORLD, &num_ranks_);
#endif
if (bdobaryons_) {
const double gamma = cf_.get_value_safe<double>("cosmology", "gamma", 5.0 / 3.0);
const double YHe = pcc_->cosmo_param_["YHe"];
const double omegab = pcc_->cosmo_param_["Omega_b"];
const double Tcmb0 = pcc_->cosmo_param_["Tcmb"];
// compute gas internal energy
const double npol = (fabs(1.0 - gamma) > 1e-7) ? 1.0 / (gamma - 1.) : 1.0;
const double unitv = 1e5;
const double adec = 1.0 / (160. * std::pow(omegab * hubble_param_ * hubble_param_ / 0.022, 2.0 / 5.0));
const double Tini = astart_ < adec ? Tcmb0 / astart_ : Tcmb0 / astart_ / astart_ * adec;
const double mu = (Tini > 1.e4) ? 4.0 / (8. - 5. * YHe) : 4.0 / (1. + 3. * (1. - YHe));
ceint_ = 1.3806e-16 / 1.6726e-24 * Tini * npol / mu / unitv / unitv;
music::ilog.Print("Swift : Calculated initial gas temperature: %.2f K/mu", Tini / mu);
music::ilog.Print("Swift : set initial internal energy to %.2e km^2/s^2", ceint_);
h_ = boxsize_ / hubble_param_ / cf_.get_value<double>("setup","GridRes");
music::ilog.Print("Swift : set initial smoothing length to mean inter-part separation: %.2f Mpc", h_);
}
// Only ranks 0 writes the header
if (this_rank_ != 0) return;
@ -148,29 +170,6 @@ public:
std::string desc = cf_.get_value<std::string>("random", "descriptor");
HDFWriteGroupAttribute(fname_, "ICs_parameters", "Descriptor", desc);
}
if (bdobaryons_) {
const double gamma = cf_.get_value_safe<double>("cosmology", "gamma", 5.0 / 3.0);
const double YHe = pcc_->cosmo_param_["YHe"];
const double omegab = pcc_->cosmo_param_["Omega_b"];
const double Tcmb0 = pcc_->cosmo_param_["Tcmb"];
// compute gas internal energy
const double npol = (fabs(1.0 - gamma) > 1e-7) ? 1.0 / (gamma - 1.) : 1.0;
const double unitv = 1e5;
const double adec = 1.0 / (160. * std::pow(omegab * hubble_param_ * hubble_param_ / 0.022, 2.0 / 5.0));
const double Tini = astart_ < adec ? Tcmb0 / astart_ : Tcmb0 / astart_ / astart_ * adec;
const double mu = (Tini > 1.e4) ? 4.0 / (8. - 5. * YHe) : 4.0 / (1. + 3. * (1. - YHe));
ceint_ = 1.3806e-16 / 1.6726e-24 * Tini * npol / mu / unitv / unitv;
music::ilog.Print("Swift : Calculated initial gas temperature: %.2f K/mu", Tini / mu);
music::ilog.Print("Swift : set initial internal energy to %.2e km^2/s^2", ceint_);
h_ = boxsize_ / hubble_param_ / cf_.get_value<double>("setup","GridRes");
music::ilog.Print("Swift : set initial smoothing length to mean inter-part separation: %.2f Mpc", h_);
}
}
// use destructor to write header post factum