OS: Ubuntu 16.04 LTS, 64-bit
Memory: 11.5 GiB
CPU: Intel Core i5-7200U @ 2.50GHz × 4
GPU: GeForce 940MX/PCIe/SSE2
Implement AES on CPU & GPU
gcc cpu.c -o cpu
nvcc gpu.cu -o gpu
| File Size (bytes) | Encryption | Decryption | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (seconds) | Throughput (bytes per second) | Time (seconds) | Throughput (bytes per second) | |||||
| CPU | GPU | CPU | GPU | CPU | GPU | CPU | GPU | |
| 1202 | 0.000152 | 0.000732 | 7921052.63 | 1644808.74 | 0.000264 | 0.000771 | 4560606.06 | 1561608.30 |
| 4652 | 0.000689 | 0.000770 | 6769230.77 | 6057142.85 | 0.001168 | 0.000821 | 3993150.68 | 5680876.98 |
| 9302 | 0.001418 | 0.000784 | 6564174.89 | 11872448.97 | 0.002081 | 0.000790 | 4472849.59 | 11782278.48 |
| 18602 | 0.002545 | 0.000807 | 7313163.06 | 23063197.03 | 0.003889 | 0.000821 | 4785806.12 | 22669914.74 |
| 37202 | 0.004985 | 0.000886 | 7463189.57 | 41990970.65 | 0.007196 | 0.000918 | 5170094.49 | 40527233.12 |
| 74402 | 0.010099 | 0.001048 | 7367462.12 | 70996183.21 | 0.014296 | 0.001040 | 5204532.74 | 71542307.69 |
| 148802 | 0.020109 | 0.001302 | 7399870.70 | 114288786.48 | 0.028493 | 0.001331 | 5222475.69 | 111798647.63 |
| 297602 | 0.039651 | 0.001896 | 7505586.24 | 156964135.02 | 0.056839 | 0.002018 | 5235911.96 | 147474727.45 |
| 595202 | 0.079503 | 0.003145 | 7486560.26 | 189254054.05 | 0.113610 | 0.003577 | 5239010.65 | 166397539.84 |
| 1190402 | 0.158507 | 0.005316 | 7510103.65 | 223928517.68 | 0.227203 | 0.005847 | 5239385.04 | 203592269.54 |