XBT_PRIVATE boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
double* bytes_amount, double rate, double timeout);
XBT_PRIVATE boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
double* bytes_amount, double rate, double timeout);