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Table 2 The test results of different size file

From: A privacy protection-oriented parallel fully homomorphic encryption algorithm in cyber physical systems

File size (MB) Serial time (seconds) Parallel time (seconds) Max Map time (seconds) Reduce time (seconds) SP
256 61 33 16 13 1.8
512 123 44 17 22 2.8
768 186 51 18 30 3.6
1024 254 58 17 36 4.4
1280 312 83 18 45 3.8
1536 378 88 17 51 4.3
1792 443 97 17 58 4.6
2048 516 104 18 63 5.0