Machine Specifications
| CPU Model | CPU Core Info | Memory | IB Card | IB Switch | OS | OFED | MPSS | MIC |
|---|---|---|---|---|---|---|---|---|
| Intel E5-2680 | 2x8 @ 2.6Ghz | 64GB | Mellanox ConnectX-3 (56Gbps) | Mellanox FDR IB Switch | RHEL 6.5 | OFED-3.5-2-MIC | MPSS 3.4-1 | Intel 5110P |
Intra-MIC
| One Way Latency | Unidirectional Bandwidth | Bidirectional Bandwidth |
|---|---|---|
| 2.69 us | 9085.23 MBps | 13829.8 MBps |
Host to MIC
| One Way Latency | Unidirectional Bandwidth | Bidirectional Bandwidth |
|---|---|---|
| 4.7 us | 6644.71 MBps | 6804.65 MBps |
Active 1 Hop - MIC to Remote Host
| One Way Latency | Unidirectional Bandwidth | Bidirectional Bandwidth |
|---|---|---|
| 4.94 us | 5662.63 MBps | 8501.92 MBps |
Active 1 Hop - MIC to Remote MIC
| One Way Latency | Unidirectional Bandwidth | Bidirectional Bandwidth |
|---|---|---|
| 6.7 us | 5159.56 MBps | 8479.39 MBps |
Active 2 Hop - MIC to Remote MIC
This mode is recommended for the inter-socket configuration (i.e IB card and MIC card are in different sockets)
| One Way Latency | Unidirectional Bandwidth | Bidirectional Bandwidth |
|---|---|---|
| 7.98 us | 5306.54 MBps | 6875.24 MBps |
Passive Proxy - 16 Host and 8 MIC processes per node (2 nodes)
This mode is recommended when host nodes are fully subscribed
| All-to-All - 48 processes Latency | Passive Proxy | Active Proxy |
|---|---|---|
| 4 byte | 244.7 us | 439.0 us |
| 256 Mbyte | 43492.9 us | 80487.4 us |