From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: Grant Grundler <grundler@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
wgong@qti.qualcomm.com, wgong@codeaurora.org,
ath10k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips
Date: Thu, 06 Sep 2018 12:18:45 +0200 [thread overview]
Message-ID: <871sa7ylmi.fsf@toke.dk> (raw)
In-Reply-To: <CANEJEGsm_BKM6g2x0+a7_5dBy5jkROs+jEjHmrcneGrMdDK41g@mail.gmail.com>
Grant Grundler <grundler@google.com> writes:
>> And, well, Grant's data is from a single test in a noisy
>> environment where the time series graph shows that throughput is all over
>> the place for the duration of the test; so it's hard to draw solid
>> conclusions from (for instance, for the 5-stream test, the average
>> throughput for 6 is 331 and 379 Mbps for the two repetitions, and for 7
>> it's 326 and 371 Mbps) . Unfortunately I don't have the same hardware
>> used in this test, so I can't go verify it myself; so the only thing I
>> can do is grumble about it here... :)
>
> It's a fair complaint and I agree with it. My counter argument is the
> opposite is true too: most ideal benchmarks don't measure what most
> users see. While the data wgong provided are way more noisy than I
> like, my overall "confidence" in the "conclusion" I offered is still
> positive.
Right. I guess I would just prefer a slightly more comprehensive
evaluation to base a 4x increase in buffer size on...
-Toke
WARNING: multiple messages have this Message-ID (diff)
From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: Grant Grundler <grundler@google.com>
Cc: linux-wireless@vger.kernel.org,
Johannes Berg <johannes@sipsolutions.net>,
wgong@qti.qualcomm.com, ath10k@lists.infradead.org,
wgong@codeaurora.org
Subject: Re: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips
Date: Thu, 06 Sep 2018 12:18:45 +0200 [thread overview]
Message-ID: <871sa7ylmi.fsf@toke.dk> (raw)
In-Reply-To: <CANEJEGsm_BKM6g2x0+a7_5dBy5jkROs+jEjHmrcneGrMdDK41g@mail.gmail.com>
Grant Grundler <grundler@google.com> writes:
>> And, well, Grant's data is from a single test in a noisy
>> environment where the time series graph shows that throughput is all over
>> the place for the duration of the test; so it's hard to draw solid
>> conclusions from (for instance, for the 5-stream test, the average
>> throughput for 6 is 331 and 379 Mbps for the two repetitions, and for 7
>> it's 326 and 371 Mbps) . Unfortunately I don't have the same hardware
>> used in this test, so I can't go verify it myself; so the only thing I
>> can do is grumble about it here... :)
>
> It's a fair complaint and I agree with it. My counter argument is the
> opposite is true too: most ideal benchmarks don't measure what most
> users see. While the data wgong provided are way more noisy than I
> like, my overall "confidence" in the "conclusion" I offered is still
> positive.
Right. I guess I would just prefer a slightly more comprehensive
evaluation to base a 4x increase in buffer size on...
-Toke
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ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k
next prev parent reply other threads:[~2018-09-06 14:53 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-08 10:40 [PATCH v2 0/2] Change sk_pacing_shift in ieee80211_hw for best tx throughput Wen Gong
2018-08-08 10:40 ` Wen Gong
2018-08-08 10:40 ` [PATCH v2 1/2] mac80211: Change sk_pacing_shift saved to ieee80211_hw Wen Gong
2018-08-08 10:40 ` Wen Gong
2018-08-08 10:40 ` [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips Wen Gong
2018-08-08 10:40 ` Wen Gong
2018-08-08 10:43 ` Toke Høiland-Jørgensen
2018-08-08 10:43 ` Toke Høiland-Jørgensen
2018-08-10 8:05 ` Wen Gong
2018-08-10 8:05 ` Wen Gong
2018-08-10 13:17 ` Toke Høiland-Jørgensen
2018-08-10 13:17 ` Toke Høiland-Jørgensen
2018-08-13 5:37 ` Wen Gong
2018-08-13 5:37 ` Wen Gong
2018-08-13 11:18 ` Toke Høiland-Jørgensen
2018-08-13 11:18 ` Toke Høiland-Jørgensen
2018-08-14 5:55 ` Wen Gong
2018-08-14 5:55 ` Wen Gong
2018-08-17 11:32 ` Toke Høiland-Jørgensen
2018-08-17 11:32 ` Toke Høiland-Jørgensen
2018-08-30 23:25 ` Peter Oh
2018-08-30 23:25 ` Peter Oh
2018-08-31 15:36 ` Toke Høiland-Jørgensen
2018-08-31 15:36 ` Toke Høiland-Jørgensen
2018-08-30 23:32 ` Grant Grundler
2018-09-03 9:38 ` Johannes Berg
2018-09-03 9:38 ` Johannes Berg
2018-09-03 11:11 ` Toke Høiland-Jørgensen
2018-09-03 11:11 ` Toke Høiland-Jørgensen
2018-09-03 11:47 ` Johannes Berg
2018-09-03 11:47 ` Johannes Berg
2018-09-03 13:35 ` Toke Høiland-Jørgensen
2018-09-03 13:35 ` Toke Høiland-Jørgensen
2018-09-03 14:57 ` Dave Taht
2018-09-03 14:57 ` Dave Taht
2018-09-03 15:35 ` Dave Taht
2018-09-03 15:35 ` Dave Taht
2018-09-04 23:43 ` Grant Grundler
2018-09-04 23:43 ` Grant Grundler
2018-09-05 7:23 ` Wen Gong
2018-09-05 7:23 ` Wen Gong
2018-09-06 10:18 ` Toke Høiland-Jørgensen [this message]
2018-09-06 10:18 ` Toke Høiland-Jørgensen
2019-02-20 19:15 ` Grant Grundler
2019-02-20 19:15 ` Grant Grundler
2019-02-21 4:39 ` Kalle Valo
2019-02-21 4:39 ` Kalle Valo
2019-02-21 15:42 ` Toke Høiland-Jørgensen
2019-02-21 15:42 ` Toke Høiland-Jørgensen
2019-02-21 16:10 ` Kalle Valo
2019-02-21 16:10 ` Kalle Valo
2019-02-21 16:22 ` Ben Greear
2019-02-21 16:22 ` Ben Greear
2019-02-21 16:37 ` Toke Høiland-Jørgensen
2019-02-21 16:37 ` Toke Høiland-Jørgensen
2019-02-21 16:57 ` Ben Greear
2019-02-21 16:57 ` Ben Greear
2019-02-21 17:15 ` Toke Høiland-Jørgensen
2019-02-21 17:15 ` Toke Høiland-Jørgensen
2019-02-21 17:29 ` [PATCH] mac80211: Change default tx_sk_pacing_shift to 7 Toke Høiland-Jørgensen
2019-02-21 17:29 ` Toke Høiland-Jørgensen
2019-02-22 12:29 ` Johannes Berg
2019-02-22 13:06 ` Toke Høiland-Jørgensen
2019-02-22 13:06 ` Toke Høiland-Jørgensen
2019-02-22 13:07 ` Johannes Berg
2019-02-22 13:07 ` Johannes Berg
2019-02-22 13:40 ` Toke Høiland-Jørgensen
2019-02-22 13:40 ` Toke Høiland-Jørgensen
2019-02-22 19:10 ` Johannes Berg
2019-02-22 19:10 ` Johannes Berg
2019-02-23 11:49 ` Toke Høiland-Jørgensen
2019-02-23 11:49 ` Toke Høiland-Jørgensen
2019-02-21 17:29 ` [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips Ben Greear
2019-02-21 17:29 ` Ben Greear
2019-02-21 22:50 ` Toke Høiland-Jørgensen
2019-02-21 22:50 ` Toke Høiland-Jørgensen
2019-02-21 16:28 ` Toke Høiland-Jørgensen
2019-02-21 16:28 ` Toke Høiland-Jørgensen
2020-04-23 6:31 ` Kalle Valo
2020-04-23 6:31 ` Kalle Valo
2018-08-08 19:00 ` [PATCH v2 0/2] Change sk_pacing_shift in ieee80211_hw for best tx throughput Peter Oh
2018-08-08 19:00 ` Peter Oh
2018-08-09 9:32 ` Arend van Spriel
2018-08-09 9:32 ` Arend van Spriel
2018-08-10 13:20 ` Toke Høiland-Jørgensen
2018-08-10 13:20 ` Toke Høiland-Jørgensen
2018-08-10 19:28 ` Arend van Spriel
2018-08-10 19:28 ` Arend van Spriel
2018-08-10 19:52 ` Ben Greear
2018-08-10 19:52 ` Ben Greear
2018-08-11 19:21 ` Arend van Spriel
2018-08-11 19:21 ` Arend van Spriel
2018-08-20 12:46 ` Toke Høiland-Jørgensen
2018-08-20 12:46 ` Toke Høiland-Jørgensen
2018-08-20 15:14 ` Ben Greear
2018-08-20 15:14 ` Ben Greear
2018-09-03 18:36 [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips Kan Yan
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