On Mon, Dec 29, 2008 at 9:47 PM, Vladimir Kukushkin <v.kukush...@gmail.com> wrote: > Hi > > Jeff wrote: >> The performance to be gained from multiple queues is very small, and >> was not a requirement for our Linux software. > > Why performance gain would be "very small" ? > My opinion was that 2 or more RX queues enables multlithreaded softirq > processing? i.e ksoftirq/0 ... ksoftirq/X > Thus, the processing load can be distributed between CPUs in > multiprocessor architecture. > Am I right ? > > And then, what gain will be with multiqueue igb driver on 82575 chip ? > > BR, > -- > Vladimir >
The performance was seen as only a small gain for just the hardware supported in the E1000E driver. The 82575 chip is a latter generation of PCIe hardware which performs better under multiqueue. -- Cheers, Jeff ------------------------------------------------------------------------------ _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel
