Table 1.
Assembly statistics and computational requirements for assembly of the Tara Oceans metagenome. Time required is given in seconds, minutes and hours for illustrative purposes and memory in GB of RAM required
| Tara Ocean | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| CLC | IDBA-UD | MEGAHIT | metaSPAdes | MetaVelvet | Omega | Ray Meta | SPAdes | Velvet | |
| Number of contigs (≥ 500 bp) | 50,716 | 163,815 | 216,938 | 185,419 | 67,161 | 15,982 | 6128 | 220,178 | 57,816 |
| Total length | 46,069,409 | 179,686,756 | 210,621,485 | 202,770,058 | 55,972,515 | 34,861,819 | 7,277,214 | 275,920,632 | 45,425,460 |
| No. of long contigs (≥ 1 kbp) | 10,720 | 50,498 | 56,243 | 48,640 | 12,590 | 13,305 | 2179 | 70,711 | 8802 |
| No. of ultra-long contigs (≥ 50 kbp) | 0 | 2 | 1 | 37 | 0 | 9 | 0 | 54 | 0 |
| Largest contig | 39,748 | 101,400 | 62,649 | 141,519 | 30,177 | 102,255 | 41,443 | 197,381 | 21,980 |
| N50 | 880 | 1166 | 982 | 1124 | 805 | 2691 | 1329 | 1415 | 749 |
| L50 | 14,113 | 38,236 | 58,246 | 39,033 | 21,544 | 2737 | 1345 | 39,617 | 19,631 |
| Mapping rate (%) | 38.98 | 52.24 | 55.92 | 64.03 | 4117 | 13.64 | 8.25 | 64.46 | 48.19 |
| Time (seconds) | 3527 | 69,782 | 10,455 | 125,862 | 2527 | 168,213 | 16,419 | 80,039 | 2342 |
| Time (minutes) | 58.78 | 1163.03 | 174.25 | 2097.70 | 42.12 | 2803.55 | 273.65 | 1333.98 | 39.03 |
| Time (hours) | 0.98 | 19.38 | 2.90 | 34.96 | 0.70 | 46.73 | 4.56 | 22.23 | 0.65 |
| Memory required (GB) | 16.23 | 42.84 | 10.58 | 66.53 | 109.37 | 30.7 | 42 | 157.75 | 109.37 |