La La Wu

Hi, We have 2 HPE DL-360 servers (named server A and server B) with the same hardware context. Both have: 1 CPU (Intel Xeon Gold 6246 3.30GHz) 2 16G DDR4 2933MHz memories (total 32GB, using 2 memory channels) 1 100G Mellanox MT27800 ConnectX-5 adapter We directly connect server A to server B, and both use command "iperf -s -P 4 -i 1" as TCP server. Then all of them use command "iperf -c "opposite's IP" -P 4 -t 1000 -i 1" to generate maximum throughput of the 100G adapter. However we only get about...