[dpdk-dev] [PATCH] net/i40e: add packet prefetch
bruce.richardson at intel.com
Thu Apr 6 11:54:54 CEST 2017
On Thu, Apr 06, 2017 at 09:29:12AM +0000, Vladyslav Buslov wrote:
> In our case patch significantly improves application performance. (~40% more PPS on load balancer core)
> Using DPDK examples I can only reproduce perf improvements with similar design apps like load_balancer.
> With applications that send on free packets on same core where they are received performance is not improved.
> It seems that this patch doesn't do anything(or even actually slightly degrades performance) for run-to-completion apps so we will have to continue maintaining it as part part of our internal branch.
Is it possible to get the same performance boost in your app, while
avoiding the perf hit in run-to-completion apps, by using a runtime,
rather than compile-time option?
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