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October 31, 2012 21:07
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Table 1: Comparison of MPI ranks with mini-ranks on the Colosse | |
super-computer at Laval University. | |
+-------+---------------------------------------------------+ | |
| Cores | Average round-trip latency (us) | | |
+-------+-----------------------+---------------------------+ | |
| | MPI ranks | mini-ranks | | |
| | (pure MPI) | (MPI + pthread) | | |
+-------+-----------------------+---------------------------+ | |
| 8 | 11.25 +/- 0 | 24.1429 +/- 0 | | |
| 16 | 35.875 +/- 6.92369 | 43.0179 +/- 8.76275 | | |
| 32 | 66.3125 +/- 6.76387 | 41.7143 +/- 1.23924 | | |
| 64 | 90 +/- 16.5265 | | | |
| 128 | 126.562 +/- 25.0116 | 43.0179 +/- 8.76275 | | |
| 256 | 203.637 +/- 67.4579 | 44.6429 +/- 6.11862 | | |
| 512 | | | | |
+-------+-----------------------+---------------------------+ | |
(END) |
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