Table 4 Multinode experimental performance.
From: Parallel Backprojection: A Case Study in High-Performance Reconfigurable Computing
Nodes | Â | Software | Â | Hardware | ||
|---|---|---|---|---|---|---|
| Â | Mean | Standard deviation | Speedup | Mean | Standard deviation | Speedup |
1 | 1943.2 | 6.15 | 1.0 | 25.0 | .01 | 1.0 |
2 | 983.2 | 10.46 | 2.0 | 13.4 | .02 | 1.9 |
4 | 496.0 | 4.60 | 3.9 | 7.8 | .02 | 3.9 |
8 | 256.5 | 5.85 | 7.6 | 4.0 | .06 | 6.0 |
16 | 128.4 | 1.28 | 15.1 | — | — | — |