Table 3. Experiments on very complex datasets.

Metagenome datasets	Xgenovo	MAP
50 Viruses log-normal	β = 0.5 α
N50 (bp)	28903	278
Total length (bp)	1761195	5396779
Max length (bp)/# Contig	110113/502	1479/17966
Cover rate (%)/Chimera rate (%)	94.84/0.93	92.75/0
CPU time (s)/Memory (GB)	39738/2.566	52449/7.906
50 Viruses uniform	β = 0.5 α
N50 (bp)	97184	288
Total length (bp)	1794418	5293906
Max length (bp)/# Contig	194028/123	1123/17519
Cover rate (%)/Chimera rate (%)	96.99/6.07	97.1/0
CPU time (s)/Memory (GB)	41324/2.761	25193/4.147
60 Viruses log-normal	β = 0.1 α
N50 (bp)	10636	293
Total length (bp)	2362232	5478753
Max length (bp)/# Contig	108811/1120	1633/17258
Cover rate (%)/Chimera rate (%)	92.38/1.19	87.59/0
CPU time (s)/Memory (GB)	43206/3.228	16502/3.625
60 Viruses uniform	β = 0.3 α
N50 (bp)	25099	301
Total length (bp)	2840986	5283695
Max length (bp)/# Contig	106273/346	1476/16628
Cover rate (%)/Chimera rate (%)	96.77/1.06	24.44/0.09
CPU time (s)/Memory (GB)	43786/3.618	14478/3.232
90 Viruses log-normal	β = 0.3 α
N50 (bp)	2916	303
Total length (bp)	3003232	5622001
Max length (bp)/# Contig	126010/2640	1864/16890
Cover rate (%)/Chimera rate (%)	85.14/0.63	77.52/0.02
CPU time (s)/Memory (GB)	60162/ 4.27	21104/3.75
90 Viruses uniform	β = 0.5 α
N50 (bp)	6480	362
Total length (bp)	3631520	5728435
Max length (bp)/# Contig	25751/1507	1785/15562
Cover rate (%)/Chimera rate (%)	96.03/1.39	90.85/0.01
CPU time (s)/Memory (GB)	56635/4.27	11656/2.76
115 Viruses log-normal	β = 0.5 α
N50 (bp)	2457	318
Total length (bp)	3437804	5689659
Max length (bp)/# Contig	128459/3410	1806/16620
Cover rate (%)/Chimera rate (%)	81.33/0.84	73.93/0.01
CPU time (s)/Memory (GB)	68789/4.96	10480/ 3.42
115 Viruses uniform	β = 0.1 α
N50 (bp)	4264	392
Total length (bp)	4518801	6269732
Max length (bp)/# Contig	27417/2720	1956/16104
Cover rate (%)/Chimera rate (%)	96.07/0.59	88.07/0.02
CPU time (s)/Memory (GB)	72487/5.29	8137/2.23