Machine Specifications

CPU Model CPU Core Info Memory IB Card IB Switch OS CUDA GPU
Intel E5-2680 2x10 @ 2.8Ghz 64GB Dual Mellanox Connect-IB (2x56Gbps) Mellanox FDR IB Switch RHEL 6.5 CUDA 7.0 2xNVIDIA Tesla K40c

Inter-Node Performance numbers of MVAPICH2 on Intel Ivy Bridge Architecture with Mellanox Conenct-IB (10/19/15)

One Way Latency Unidirectional Bandwidth Bidirectional Bandwidth Notes
2.28 us 8624.61 MBps 15505.05 MBps Inter-Node GPU to GPU (Device-to-Device) using multiple HCAs

Intra-Node Performance numbers of MVAPICH2 on Intel Ivy Bridge Architecture with Mellanox Conenct-IB (10/19/15)

One Way Latency Unidirectional Bandwidth Bidirectional Bandwidth Notes
3.08 us 76502.88 MBps 62692.19 MBps Intra-Node Intra-GPU (Device-to-Device)