Embedded Linux

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Fri, 08/29/2025 - 04:26
#1
nikhil
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Joined: 10/17/2024
Posts: 2
communication over pcie to pcie using ROS2 environment from one nvidia module to another nvidia module on custom board.

I want to transfer data or video over pcie to pcie from one nvidia module to another nvidia module, in ROS2 environment. So, is there any suggestions or idea?

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Tue, 07/08/2025 - 20:26
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vkalavally
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Last seen: 2 months 1 day ago
Joined: 02/17/2025
Posts: 3
Leveraging the data_to_string() method to convert DDS samples into XML

Hi all,

I'm using RTI Connext DDS in a production system and leveraging the data_to_string() method to convert DDS samples into XML. This XML is then parsed using XPath queries to extract specific fields dynamically.

However, I’m encountering a significant performance issue — the data_to_string() call is taking up to 6 seconds for the first time, which is not acceptable for our use case.

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