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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