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The performance for sending udp packet

Question asked by Qian Cui on Sep 12, 2014
Latest reply on Oct 30, 2014 by Qian Cui

Hardware Platform: SABRE SD

Software :Android 4.4.2 Kernel:3.0.35

 

I want to develop the high-speed wireless card driver on this platform.

 

At first I want to check the max performance of the udp sending in this platform. So I make a simple socket application in C, just sending the 7900 bytes size udp packet in one single thread as fast as possible through the loopback device. But I found that the performance can only reach about 800Mbps, and CPU utilization is just 25%.

 

My question is how to increate the UDP sending performance in one single thread?

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