for (auto& fact : smpi_factor) {
XBT_DEBUG("smpi_factor:\t%zu : %zu values, first: %f", fact.factor, smpi_factor.size() ,fact.values[0]);
}
for (auto& fact : smpi_factor) {
XBT_DEBUG("smpi_factor:\t%zu : %zu values, first: %f", fact.factor, smpi_factor.size() ,fact.values[0]);
}