XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(const std::string& name, int host_nb,
const sg_host_t* host_list, const double* flops_amount,
const double* bytes_amount, double rate, double timeout);
XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(const std::string& name, int host_nb,
const sg_host_t* host_list, const double* flops_amount,
const double* bytes_amount, double rate, double timeout);