Research Article
A Bitwise Design and Implementation for Privacy-Preserving Data Mining: From Atomic Operations to Advanced Algorithms
Table 4
Execution time of designed homomorphic atomic operation.
| Operation | Estimation (s) | Execution (s) | Error (%) |
| Addition | 0.916 | 0.917 | 0.10 | 2’s complement | 0.345 | 0.351 | 1.73 | Subtraction | 0.916 | 0.919 | 0.32 | Equivalent comparison | 0.369 | 0.375 | 1.62 | Large (small) comparison | 0.548 | 0.548 | 0 | Absolute value | 0.703 | 0.712 | 1.28 | Multiplication_8 | 5.334 | 5.396 | 1.11 | Multiplication_16 | 19.759 | 19.898 | 0.70 | Multiplication_32 | 76.028 | 77.413 | 1.82 | Division_8 | 7.551 | 7.772 | 2.92 | Division_16 | 30.108 | 30.553 | 1.47 | Division_32 | 120.38 | 121.781 | 1.16 |
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