8. Performance Report
Performance statistics logging is turned on by setting a launch parameter, exportPerfStats to 1.
8.1. C920 UCB Camera, 30 FPS
Source: live C920 USB camera, 1280x720 in MJPG mode, at 30 FPS. “gscam2” ROS node and a demo ROS node are running in the ROS 2 Docker container on the target SK board.
Demo |
FPS |
Total time (ms) |
Preproc time (ms) |
Inference time (ms) |
A53 Load (%) |
DDR Read BW (MB/s) |
DDR Write BW (MB/s) |
DDR Total BW (MB/s) |
C71_1 Load (%) |
MCU1_0 Load (%) |
MSC_0 (%) |
MSC_1 (%) |
VISS (%) |
NF (%) |
LDC (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ti_vision_cnn (semseg) |
23.49 |
42.5763 |
15.2609 |
36.2415 |
54.20 |
3227 |
2464 |
5691 |
80.78 |
0.80 |
9.13 |
0 |
0 |
0 |
6.75 |
ti_vision_cnn (objdet) |
28.79 |
34.7379 |
3.4872 |
14.0175 |
42.80 |
1292 |
754 |
2046 |
37.13 |
0.79 |
10.74 |
0 |
0 |
0 |
7.23 |
Note: “A53 Load (%)” are for dual A53 cores in a scale of 100%. For example, 100% A53 loading means that two A53 cores are fully loaded.