Performance of MVAPICH2 Collectives (12/2/20)

Machine Specifications

CPU Model CPU Core Info Memory Network Adapter Switch OS Network Stack
Intel Xeon-8280 2x28 @ 2.7GHz 192GB Mellanox ConnectX-6 (100Gbps) Mellanox HDR IB Switch CentOS 7.8.2003 Mellanox OFED-Internal-5.1-2.3.7
graph of sharp-1ppn-v6
graph of sharp-28ppn-v6
graph of multicast-1-processes
graph of multicast-16-processes-v2