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Table 1 Elapsed times and speedups obtained with ParaHaplo applied on the HapMap 3 JPT and CHB data of chromosome 22.

From: ParaHaplo 2.0: a program package for haplotype-estimation and haplotype-based whole-genome association study using parallel computing

Elapsed times and speedups obtained with ParaHaplo on the phasing process

Number of Processing Units

Calculation Time

Speed Ratioa

1

9

h

56

m

54

s

1

2

4

h

56

m

13

s

2

4

2

h

26

m

40

s

4

8

1

h

21

m

39

s

7

16

  

39

m

2

s

15

32

  

21

m

5

s

28

64

  

11

m

49

s

50

128

  

7

m

4

s

85

256

  

5

m

32

s

108

  1. aRatio of computation time of a single processor to computation time of multiple processors