* [Cerowrt-devel] hires timer dependency?
@ 2015-03-18 22:10 Dave Taht
2015-03-18 22:22 ` Jonathan Morton
0 siblings, 1 reply; 2+ messages in thread
From: Dave Taht @ 2015-03-18 22:10 UTC (permalink / raw)
To: codel, cerowrt-devel
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was pretty bemused by this thread.
https://lists.openwrt.org/pipermail/openwrt-users/2015-March/003554.html
--
Dave Täht
Let's make wifi fast, less jittery and reliable again!
https://plus.google.com/u/0/107942175615993706558/posts/TVX3o84jjmb
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* Re: [Cerowrt-devel] hires timer dependency?
2015-03-18 22:10 [Cerowrt-devel] hires timer dependency? Dave Taht
@ 2015-03-18 22:22 ` Jonathan Morton
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Morton @ 2015-03-18 22:22 UTC (permalink / raw)
To: Dave Taht; +Cc: codel, cerowrt-devel
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Yes, I recognise that behaviour from when I didn't have the timer
resolution workaround in cake. The PowerBook was fine (modern hardware,
good timers) but the Pentium-MMX only has the basic PC-AT timer hardware,
operating at 1kHz.
Because ack packets end up spaced the same way, it affects download as well
at a multiple of the upload effect bandwidth, even if download is not
shaped. The multiple depends on how the receiving host spaces acks.
- Jonathan Morton
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