Table 2. Expected time in days to test 10% of the US population for three different infection rates.

Method	ir = 0.1%		ir = 1%		ir = 2.5%
	days	speedup	days	speedup	days	speedup
Individual testing	224.4		224.4		224.4
2-level pooling	16.4	13.7x	45.8	4.9x	70.1	3.2x
Binary splitting	10.3	21.8x	28.5	7.9x	55.4	4.1x
Recursive binary splitting	8.8	25.5x	23.2	9.7x	46.4	4.8x
Purim	14.6	15.4x	31.1	7.2x	55.2	4.1x
Sobel-R1	8.7	25.8x	20.7	10.8x	39.4	5.7x

Test capacities and simulation parameters as of April 14, 2020, see Table 1