Performance numbers of MVAPICH2-X on Intel Haswell Architecture Intra-Node (06/10/20)
| Communication | MPI Latency | Bandwidth | Bidirectional Bandwidth | Notes |
|---|---|---|---|---|
| Intra-Socket | 0.24 us | 21326.45 MBps* | 38839.13 MBps* | MV2_CPU_MAPPING=1:2 *MBps = Million Bytes per second |
| Inter-Socket | 0.51 us | 20275.67 MBps* | 38090.69 MBps* | MV2_CPU_MAPPING=1:11 *MBps = Million Bytes per second |
Machine Specifications
| CPU Model | CPU Core Info | Memory | OS |
|---|---|---|---|
| Intel E5-2687W | 2x10 @ 3.1GHz | 64GB | CentOS 7.7.1908 |
Intra-Socket
Inter-Socket
