Tuesday May 06, 2008

Using uperf to compare network ping-pong rates on Solaris and Linux

uperf is a network performance evaluation tool which is being open sourced by Sun today. Take a look at how I used it to compare network "ping-pong" traffic rate scaling on Solaris vs Linux.[Read More]

Wednesday Mar 12, 2008

Achieving line rate on a 10 Gb NIC

Multi-core/Multi-thread CPUs can exacerbate scaling problems due to locking. A "mux" that pipelines work from multiple producers to a single consumer that avoids high lock hold times is discussed in this blog. Some of the flow control issues that needed to be addressed to deal with fast producers and slow consumers are also discussed along with the politics of source code changes to critical system software.[Read More]
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Charles Suresh

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