Research Article
Optimizing NEURON Simulation Environment Using Remote Memory Access with Recursive Doubling on Distributed Memory Systems
Table 2
Runtime comparison of MPI_Allgather versus RMA_Allgather in Parbulbnet.
| Parbulbnet: cells = 2525 |
| Tstop | 1000 ms | 2000 ms | 5000 ms | Procs. | MPI | RMA | MPI | RMA | MPI | RMA |
| 2 | 117.94 | 104.25 | 247.78 | 220.48 | 635.64 | 580.52 | 4 | 52.97 | 44.86 | 113.49 | 101.45 | 283.26 | 269.73 | 8 | 19.31 | 15.33 | 37.33 | 34.54 | 93.47 | 86.25 | 16 | 8.82 | 7.61 | 17.26 | 15.03 | 41.45 | 36.92 | 32 | 6.06 | 5.87 | 10.64 | 9.16 | 26.32 | 23.38 |
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