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Table 4 Comparisons of the Drosophila transcriptome assemblies of our postprocessing algorithm, Oases and Trans-ABySS using four publicly available libraries over different values of k and k-mer coverage cutoff c. The notations are the same as in Table 3.

From: A memory-efficient algorithm to obtain splicing graphs and de novoexpression estimates from de Bruijn graphs of RNA-Seq data

postprocess

k_c

initial

nodes

largest tangle

largest SCC

splicing graphs

max length

N50

>1-node

graphs

max node

avg nodes

SNPs

total hits

unique hits

>1-hit graphs

max hits

time

(mins)

memory

(GB)

31_3

293034

251819

132958

87306

7571

542

1914

36

5

13216

37135

10752

516

7

81,24

20,2

31_5

153123

115511

60504

53199

9708

748

1881

98

5

8419

27103

9868

683

8

81,23

20,2

31_10

70809

36861

19839

35955

7393

621

1224

108

5

3746

22037

8399

442

8

81,21

20,2

35_3

175184

123605

85923

73584

7525

559

2246

79

6

10311

37115

10565

737

8

81,22

20,2

35_5

98897

58409

40689

47081

9382

731

1808

134

6

6741

26560

9631

743

12

81,21

20,2

35_10

48595

19438

13375

28269

7008

706

1062

90

5

2967

17829

7883

461

8

81,19

20,2

Oases

k _c

locus

max length

N50

>1-trans locus

max trans

avg trans

total hits

unique hits

>1-hit locus

max hits

time

(mins)

memory

(GB)

31_3

35587

15986

994

4881

18

3

26559

10819

410

5

87,24

25,27

31_5

26679

15906

1109

3234

20

3

21084

9944

336

5

87,21

25,21

31_10

21283

8174

877

1637

16

3

17225

8449

188

4

87,19

25,21

35_3

37377

9826

846

3724

16

3

28492

10652

346

6

75,14

17,17

35_5

27573

12562

979

2644

14

3

21992

9751

332

5

75,13

17,17

35_10

18072

7934

939

1389

12

3

14614

7953

194

5

75,12

17,17

Trans-ABySS

k _c

trans

max length

N50

>1-node trans

max nodes

avg nodes

total hits

unique hits

time

(mins)

memory

(GB)

31_3

113157

14353

1149

72266

56

6

33780

10527

201,1

4,1

31_5

62292

14395

1282

37656

72

6

24614

9810

193,1

4,1

31_10

32509

17057

1075

19837

50

5

16676

8313

172,1

4,1

35_3

76220

14351

1142

40606

79

6

31619

10288

179,1

4,1

35_5

46431

14385

1239

23632

38

5

23451

9603

172,1

4,1

35_10

24956

9139

1095

12968

30

5

15057

7956

154,1

4,1