[Cerowrt-devel] some notes on the archer c7v2's suitability for make-wifi-fast
nbd at openwrt.org
Fri Mar 27 16:06:56 EDT 2015
On 2015-03-27 03:10, Dave Taht wrote:
> B) The bad news: I didn't get around to testing wifi at all. I ran
> into an interesting problem, where testing it with full nat enabled,
> with no sqm-scripts, would peak at about 400 mbits on the rrul test,
> 0) If hostapd was running it would run a lot - cutting performance by
> about 50Mbits on the test runs. I think I posted the strace here
Might be fixed in current trunk.
> While reducing queue size when running out of cpu is a pleasing
> result, it also points to possible tuning options for napi, maybe
> adding xmit_more support in (or removing it entirely), in order to
> fully service all interrupts in one direction or another, and also
> compile options specific to the mips74k which has a long pipeline in
> particular, and so far as I know the archer has no issues (as the
> wndr3800 had) with unaligned access so we can turn off various hacks
> on that front.
A while back, I tested xmit_more, and it didn't seem to be making any
visible difference on the router that I tested it on (MT7621).
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