[dpdk-dev] dpdk vs netmap

2014-03-10 Thread Bob Chen
What's the advantage of DPDK over another accelaration framework called netmap?

[dpdk-dev] ?????? DPDK & QPI performance issue in Romley platform.

2013-09-04 Thread Bob Chen
QPI bandwidth is definitely large enough, but it seems that QPI is only responsible for the communication between separate CPU chips. What you need to do is actually accessing the memory on the other part, probably not even hit the bandwidth. The latency can be caused by a lot of facts during a

[dpdk-dev] A question of DPDK ring buffer

2013-08-20 Thread Bob Chen
Hi folks, Is there anyone who has researched the mechanism of DPDK ring buffer by any chance? I was trying to understand the multi-producer and muti-consumer scenario, the CAS(compare and swap) operation is not an obstacle to me, and from what I can tell, the method which DPDK adopts is basica

[dpdk-dev] A question of DPDK ring buffer

2013-08-20 Thread Bob Chen
Hi folks, Is there anyone who has researched the mechanism of DPDK ring buffer by any chance? I was trying to understand the multi-producer and muti-consumer scenario, the CAS(compare and swap) operation is not an obstacle to me, and from what I can tell, the method which DPDK adopts is basica