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Table 8 Comparison of Nexus (\(s_{\textrm{SA}} = 16\)) with other indexes that support read alignment either to a linear index (BWA, Bowtie 2), or to a graph which is used as a reference (Giraffe, deBGA, Pufferfish, A4)

From: Pan-genome de Bruijn graph using the bidirectional FM-index

Tool

Pan-genome representation

Memory usage data structure (GiB)

Construction time

Construction peak RAM usage (GiB)

deBGA

dBG

90.50

10 hours and 9 minutes

312.13

Pufferfish

ccdBG

62.29

17 hours and 27 minutes

139.24

A4

ccdBG

36.91

7 hours and 22 minutes

38.77

BWA

Linear concatenation

49.45

13 hours and 47 minutes

42.40

Bowtie 2

Linear concatenation

54.14

26 hours

246.88

Giraffe

Variation graph

180.04

21 hours and 3 minutes

638.93

Nexus

ccdBG

95.46

15 hours and 44 minutes

269.32

  1. We report index memory usage, and index construction time and peak RAM usage for a pan-genome of 10 human genomes