On Tue, May 10, 2016 at 1:40 AM, Matthew Dillon <[email protected]> wrote: > Very interesting results. I'm not surprised that lowering the poll rate > improves the results, that's an artifact of scheduling larger batches (as > long as the ring buffer doesn't fill up completely). It's true for process > scheduling too but usually at the cost of losing interactive responsiveness > which is why schedulers implement hybrid mechanics. > > I was surprised that the chipset-rate-limited interrupt mode was so bad > compared to the polling. I would have expected it to approach polling > effectiveness at the same frequency. But it clearly doesn't (at least not > at ~7000-8000hz). If you can program it, could you try a lower chipset > interrupt rate at 1000hz and 4000hz?
Yeah, sure. Thanks, sephe -- Tomorrow Will Never Die
