Table 5 Speedup of the parallel automatic ECG analysis algorithm in each step on a 24-h long ECG signal
From: Mobile GPU-based implementation of automatic analysis method for long-term ECG
Step | Sequential program (s) | Parallel program (s) | Parallel-optimized program (s) | Speedup (parallel vs. sequential) | Speedup (parallel-optimized vs. sequential) |
|---|---|---|---|---|---|
Artifact removal | 1.267 | 0.061 | 0.055 | 20.78× | 23.05× |
QRS complex detection | 4.560 | 0.834 | 0.652 | 5.47× | 6.99× |
ECG waveform classification | 1.155 | 0.268 | 0.265 | 4.31× | 4.36× |
Total | 7.565 | 1.448 | 1.257 | 5.22× | 6.02× |