Function Acos
The Acos function computes an inverse cosine of real vector elements.
Performance:
| Intel(R) Xeon(R) processor 5100 Series | 45nm Intel(R) Core(TM)2 Duo Processor |
Intel(R) Itanium(R) 2 processor | ||
| single | HA | 15.79 | 16.10 | 10.22 |
| LA | 8.93 | 7.32 | 10.22 | |
| EP | 6.92 | 6.94 | 10.22 | |
| double | HA | 39.84 | 36.34 | 11.17 |
| LA | 29.74 | 22.87 | 11.17 | |
| EP | 29.74 | 22.87 | 11.17 | |
Accuracy:
| Intel(R) Xeon(R) processor 5100 Series | 45nm Intel(R) Core(TM)2 Duo Processor |
Intel(R) Itanium(R) 2 processor | ||
| single | HA | 0.74 | 0.74 | 0.50 |
| LA | 2.16 | 2.16 | 0.50 | |
| EP | 613.00 | 613.00 | 0.50 | |
| double | HA | 0.70 | 0.70 | 0.50 |
| LA | 3.11 | 3.11 | 0.50 | |
| EP | 3.11 | 3.11 | 0.50 | |
Performance Graphs:
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