 			valid_visited[facetidx_in_block][cur] = -1;
 			cur += k_f;
 		}
-		bool valid_visit_flag = false;
+		bool valid_visit_flag = false;*/
 		//end debug
 		has_visited_nb[facetidx_in_block] = 0;
 		//load \memory[facets_nn] 1 time.

				//dim3 threads(fk_, 1, 1);
				int threads = 256;
				int blocks = (fk_ * facet_nb_) / threads + (((fk_ * facet_nb_) % threads) ? 1 : 0);
				kernel << < blocks, threads >> > (
					dev_vertex_, vertex_nb_,
					dev_points_, points_nb_,
					dev_facets_, facet_nb_,

					clock_offset = clock() - start_clock;
				}
			}*/
			/*if (tid == 3092 && pid == 0){
				clock_t start_clock = clock64();
				clock_t clock_offset = 0;
				clock_t clock_count = 5;
				while (clock_offset < 0){
					clock_offset = clock64() - start_clock;
					clock_offset++;
				}
				for (index_t t = 0; t < 20; t++){
