The devices in 'production' use are Engenius EOC-01650 and Open Mesh OM1Ps, both with Atheros SoC AR2315. These are gradually by being replaced by UBNT Nanostation Loco M2's, with SoC AR7240.
The small adhoc network I was using for proving firmware, where the decrease in throughput was observed, is comprised of 3 EOC-1650's, hung up at various locations around my building. My simple speed test was just to wget a 500Mbyte file from a 100Mbit wired LAN connected to one of the nodes across the adhoc network to /dev/null. Indeed, iperf would be more precise, but wget seemed sufficient just to allow me to observe large differences in throughput, e.g. 1Mbit/s vs 3Mbit/s average. At any rate, is it preferred to compare throughput values I've observed using AA r36669 with those observed running AA r38346, or with throughput values measured using current trunk. I understand that since AA only receives a selection of backports from trunk, it can occasionally be a hodgepodge of working vs suboptimal code. Thank you. On Sat, Oct 12, 2013 at 9:22 AM, Felix Fietkau <n...@openwrt.org> wrote: > On 2013-10-12 4:16 PM, Ben West wrote: > > Hello All, > > > > I operate a small adhoc meshing network in a residential neighborhood, > > presently based on AA r36669 running on a mixture of ar71xx and atheros > > devices. > > > > On a small test network comprised of three atheros nodes, which I use > > for proving out new firmware, I noticed that AA r38346 demonstrates > > dramatically worse throughput between nodes than the same firmware > > compiled from r36669, with the nodes at identical locations / spacings. > > > > I have not yet had the opportunity to test whether this apparent > > regression also occurs on ar71xx devices. > > > > Is there a preferred method for documenting or reporting speed > > regressions on the mac80211 library, considering that accurately > > measuring such can be so difficult? Would it be best for me to attempt > > the same throughput tests using firmware compiled against current trunk, > > to see if the regression is also present there? > Yes. Please also mention the exact SoC and wifi chip types that you're > using, and how much the throughput changed (mbit/s before/after), and > how exactly you're doing the tests. > > - Felix > > -- Ben West http://gowasabi.net b...@gowasabi.net 314-246-9434
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