exec->surf_exec = surf_host_model->executeParallelTask(host_nb, host_list_cpy, flops_amount, bytes_amount, rate);
exec->surf_exec->setData(exec.get());
if (timeout > 0) {
exec->surf_exec = surf_host_model->executeParallelTask(host_nb, host_list_cpy, flops_amount, bytes_amount, rate);
exec->surf_exec->setData(exec.get());
if (timeout > 0) {