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RAM 2001/7847MB (lfb 1304x4MB) CPU [28%@345,off,off,29%@345,27%@345,28%@345] | RAM 2001/7847MB (lfb 1304x4MB) CPU [28%@345,off,off,29%@345,27%@345,28%@345] | ||
RAM 2001/7847MB (lfb 1304x4MB) CPU [29%@345,off,off,33%@345,28%@345,26%@345] | RAM 2001/7847MB (lfb 1304x4MB) CPU [29%@345,off,off,33%@345,28%@345,26%@345] | ||
</pre> | |||
===Three cameras === | |||
Using the following pipelines we can test the performance of the Jetson TX2 when doing dual capture: | |||
==== Nvcamerasrc ==== | |||
<pre style="background:#d6e4f1"> | |||
gst-launch-1.0 nvcamerasrc sensor-id=0 fpsRange="30 30" ! 'video/x-raw(memory:NVMM), width=(int)3840, height=(int)2160, format=(string)I420, \ | |||
framerate=(fraction)30/1' ! fakesink nvcamerasrc sensor-id=1 fpsRange="30 30" ! 'video/x-raw(memory:NVMM), width=(int)3840, height=(int)2160, \ | |||
format=(string)I420, framerate=(fraction)30/1' ! fakesink nvcamerasrc sensor-id=2 fpsRange="30 30" ! 'video/x-raw(memory:NVMM), width=(int)3840, \ | |||
height=(int)2160, format=(string)I420, framerate=(fraction)30/1' ! fakesink | |||
</pre> | |||
We noticed that using three cameras with the max resolution '''3840x2160''', the cpu load consumption measured with tegrastats doesn't change considerably, and it remains almost the same: | |||
* Tegrastats in normal operation: | |||
<pre> | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [0%@345,off,off,0%@345,0%@345,0%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [3%@345,off,off,1%@345,2%@345,0%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [6%@345,off,off,0%@345,2%@345,1%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [0%@345,off,off,4%@345,0%@345,0%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [6%@345,off,off,3%@345,3%@345,2%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [2%@345,off,off,0%@345,1%@345,3%@345] | |||
RAM 2037/7847MB (lfb 1268x4MB) CPU [1%@345,off,off,0%@345,2%@345,1%@345] | |||
</pre> | |||
* Tegrastats with the above pipeline running | |||
<pre> | |||
RAM 2685/7855MB (lfb 1135x4MB) CPU [41%@345,off,off,38%@345,40%@345,43%@345] | |||
RAM 2686/7855MB (lfb 1135x4MB) CPU [44%@345,off,off,43%@345,39%@345,40%@345] | |||
RAM 2687/7855MB (lfb 1133x4MB) CPU [44%@345,off,off,41%@345,40%@345,41%@345] | |||
RAM 2687/7855MB (lfb 1133x4MB) CPU [45%@345,off,off,43%@345,43%@345,36%@345] | |||
RAM 2688/7855MB (lfb 1133x4MB) CPU [43%@345,off,off,39%@345,43%@345,42%@345] | |||
RAM 2689/7855MB (lfb 1133x4MB) CPU [43%@345,off,off,41%@345,38%@345,41%@345] | |||
RAM 2689/7855MB (lfb 1133x4MB) CPU [45%@345,off,off,40%@345,38%@345,41%@345] | |||
</pre> | </pre> | ||