Xilinx XDMA low performance in Orin Nano

Robotics & Edge Computing Jetson & Embedded Systems Jetson Orin Nano
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1

Hello,

I am currently using Xilinx’s XDMA IP in the Orin Nano environment.

Previously, I confirmed that the XDMA IP was functioning properly on Xavier NX (JP 5.1 version). However, when using XDMA on Orin Nano, I am experiencing lower performance compared to Xavier NX, and I am unsure of the reason behind this.

On Xavier NX, XDMA is connected to a single 0005:00:00.0 PCI bridge. However, on Orin Nano, XDMA is connected to the 0004:00:00.0 PCI bridge, and there is also an Ethernet Controller connected to the 0008:00:00.0 PCI bridge.

Could this be causing the performance degradation?

I would appreciate any insights or advice on this issue.

Thank you.

3

What is the Jetpack version on Orin Nano here?

What is the comparison in lspci -vvv between your Orin and Xaiver cases?

4

result_XavierNX.log (10.2 KB)
result_OrinNano.log (10.2 KB)

I am attaching the lspci output that I have checked for reference.
Additionally, I am using JetPack 5.1 on both Xavier NX and Orin Nano.
Thank you.

5

could you test some latest version of Orin? Jetpack5.1 is quite old for Orin.

6

It seems that JetPack 6.x and above may not be compatible with the Python virtual environment I need to use on the Nano.

So, would it be possible to test with two versions? Could we test with JetPack 5.1.4 and JetPack 6.x versions separately?

7

You could try jp5.1.4 first.

8

Okay. It will probably take long time, so I’ll come back after the tests…

9

Hello, it’s been a while since I last posted.
The installation of JetPack 6.x turned out to be quite challenging.

First, as you suggested, I updated the OS on the Jetson Orin Nano and proceeded with testing.
In conclusion, I tested versions 5.1.4, 6.1, and 6.2, but I once again confirmed that the XDMA performance of the Jetson Orin Nano is only about half that of the Xavier NX.