Apex Dual Orin Master-Slave Communication#

Since the Master Orin and Slave Orin are directly connected by PCIE x 8, they are virtualized as network devices in the user space for the convenience of users.

Since it is a virtual device, each device has fixed IP.


Network Device

IP Address

Master Orin

veth0

10.254.253.100/24

Slave Orin

veth0

10.254.253.101/24

Communication Bandwidth#

Data Direction

Master → Slave

Slave → Master

Result

3.9Gbps

9Gbps

Usage#

  1. From Master Orin to Slave Orin

ssh nvidia@10.254.253.101
  1. Open iperf server on Slave Orin

iperf3 -s
  1. Execute on Master Orin

# Master Orin send data, Slave Orin receive
iperf3 -c 10.254.253.101
# Usage -R parameter, reverse data direction.
iperf3 -c 10.254.253.101 -R

测试结果: