Research Article
Optimizing NEURON Simulation Environment Using Remote Memory Access with Recursive Doubling on Distributed Memory Systems
Table 3
Runtime comparison of MPI_Allgather versus RMA_Allgather in Parscalebush.
| Parscalebush: tstop = 5000 ms |
| Cells | 1000 | 2000 | 5000 | Procs. | MPI | RMA | MPI | RMA | MPI | RMA |
| 2 | 766.32 | 705.22 | 1973.5 | 1824.25 | 7449.68 | 6825.24 | 4 | 277.83 | 250.49 | 792.49 | 732.85 | 3092.29 | 2725.24 | 8 | 115.3 | 102.28 | 293.66 | 266.8 | 1185.74 | 1097.65 | 16 | 59.65 | 51.56 | 120.23 | 112.45 | 477.9 | 420.35 | 32 | 35.24 | 31.88 | 73.56 | 66.48 | 213.99 | 196.78 |
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