32.6.1-20210726122000 vs 32.6.1-20210916211029 nvidia-l4t-* packages

Hello,

I have installed at different times jetpack-4.6 on nano boards and I have speed problem on some of them. I noticed that on a ‘fast’ one I have the 32.6.1-20210726122000 revision of many nvidia-l4t packages, while on the slow one I have the 32.6.1-20210916211029 revision which seems newer if I understand correctly the naming scheme. Which version should I use ?

nvidia-l4t-3d-core               32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-camera                32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-cuda                  32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-firmware              32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-graphics-demos        32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-gstreamer             32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-init                  32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-jetson-multimedia-api 32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-libvulkan             32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-multimedia            32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-multimedia-utils      32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-wayland               32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-weston                32.6.1-20210726122000  | 32.6.1-20210916211029
nvidia-l4t-x11                   32.6.1-20210726122000  | 32.6.1-20210916211029

What “speed” problem is that? Are you talking about some performance issue?

Hello WayneWWW,

Yes, we have GPU-speed problems on some of our nano-boards. When I run the tests from GitHub - NVIDIA-AI-IOT/jetson_benchmarks: Jetson Benchmark, I get only less than half the performance compared to the table at https://developer.nvidia.com/embedded/jetson-benchmarks.

Examples :

2  super_resolution_bsd500   7.015589
3        unet-segmentation   9.344865
4          pose_estimation   5.231281
5          yolov3-tiny-416  18.176289
6         ResNet50_224x224  13.437623
7         ssd-mobilenet-v1  14.956790

Disclaimer: I do not think that that originates from the difference in the revision of the packages, but I still wonder why I got different revisions of those packages with the same jetpack.

Our debian package server will update new packages from time to time. It would be better to use later released debian package.

For your case, 32.6.1-20210916211029 shall be the latest version.

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