Table 1.

Running time (s) for CSD on the large datasets with 1000 iterations

Implementation	Cores	Step 1	Step 2	Step 3	Total
Original	1	1,261,628	4900	116,051	1,382,579
csdR	1	41,387	79	11	41,477
csdR	5	20,737	50	15	20,802
csdR	10	15,488	45	13	15,546
csdR	15	15,192	50	12	15,254