for (unsigned int i = 1; i < num_workers; i++) {
xbt_parmap_thread_data_t data = xbt_new0(s_xbt_parmap_thread_data_t, 1);
data->parmap = parmap;
for (unsigned int i = 1; i < num_workers; i++) {
xbt_parmap_thread_data_t data = xbt_new0(s_xbt_parmap_thread_data_t, 1);
data->parmap = parmap;