Research Article
Personalized Music Recommendation Algorithm Based on Spark Platform
Table 5
Comparison of acceleration performance with different number of nodes.
| | Sample set | Capacity | Number of work nodes (pcs) | Speedup | Sample set | Capacity | Number of work nodes (pcs) | Speedup |
| | KW-Data1 | 10.75 MB | 1 | 1.000 | KW-Data2 | 474.84 MB | 1 | 1.000 | | 5 | 1.002 | 5 | 1.007 | | 10 | 1.003 | 10 | 1.015 | | KW-Data3 | 1.62 GB | 1 | 1.000 | KW-Data4 | 6.65 GB | 1 | 1.000 | | 5 | 5.486 | 5 | 19.775 | | 10 | 12.837 | 10 | 48.093 |
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