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Speed gain compared to optimized routine on an Intel Xeon PC for routines using 1,2, and 4 GPUs. The top table reports results for real valued problems, the bottom table reports results for complex-valued problems on an NVIDIA Tesla S1070 unit.
| Speed Gain - Real Valued Case | |||
|---|---|---|---|
| CPU | 1 GPU | 2 GPUs | 4 GPUs |
| - | 20.9 | 35.7 | 53.5 |
| Speed Gain - Complex Valued Case | |||
|---|---|---|---|
| CPU | 1 GPU | 2 GPUs | 4 GPUs |
| - | 21.0 | 35.8 | 50.7 |
