Research Article

Distributed Outsourced Privacy-Preserving Gradient Descent Methods among Multiple Parties

Table 2

Running time of the OPPGD scheme with the dataset of n tuples.

TuplesKeyGen (ms)Encryption (ms)Training (ms)Prediction (ms)

1000279.47293.0731146.570.06
2000559.03585.9731338.610.06
3000838.42878.6331507.910.06
40001117.971172.1131677.200.06
50001397.611464.2031846.510.06
60001677.091756.9832015.800.06