Table 3. Comparison of running time in hours of different mappers.
on a single node with 10 cores and DistMap running on 13 nodes.
Number of read pairs (million) | Mapper | DistMap time (hour, 13 nodes) | Mapper time (hour, 1 node) |
---|---|---|---|
5 | BWA | 0.12 | 0.47 |
50 | BWA | 0.70 | 4.22 |
100 | BWA | 1.40 | 8.33 |
200 | BWA | 2.78 | 19.35 |
500 | BWA | 6.05 | 82.73* |
5 | bowtie | 0.10 | 0.18 |
50 | bowtie | 0.30 | 1.77 |
100 | bowtie | 0.68 | 3.50 |
200 | bowtie | 0.97 | 7.10 |
500 | bowtie | 3.43 | 22.38 |
5 | GSNAP | 0.1 | 0.63 |
50 | GSNAP | 0.57 | 5.62 |
100 | GSNAP | 1.07 | 11.12 |
200 | GSNAP | 2.17 | 22.13 |
500 | GSNAP | 4.97 | 120.75* |
5 | SOAP | 0.08 | 0.52 |
50 | SOAP | 0.47 | 5.48 |
100 | SOAP | 0.87 | 9.2 |
200 | SOAP | 1.68 | 19.63 |
500 | SOAP | 4.88 | 49.4 |
* Indicates cases where DistMap is faster than separate mapping on 13 individual nodes