> -----Original Message----- > From: Dave Taht <dave@xxxxxxxx> > Sent: Wednesday, September 4, 2019 12:10 AM > To: Wen Gong <wgong@xxxxxxxxxxxxxxxx>; ath10k@xxxxxxxxxxxxxxxxxxx; > linux-wireless@xxxxxxxxxxxxxxx > Subject: [EXT] Re: [PATCH 2/7] ath10k: change max RX bundle size from 8 to > 32 for sdio > > > In terms of deeply grokking what increasing buffering to achieve high > bandwidth on a testbench, vs what it can do to clobber latency in the > real world at low bandwidths, I tend to point folk at: > > https://www.youtube.com/watch?v=Rb-UnHDw02o&t=25m40s > > where I got a whole bunch of hackers to stand up and act like packets > in an aggregating FIFO wifi queue. > > This key section is only 8 minutes long, and I promise, y'all laugh > at least 3 times at the demonstration. > > At the time, also, the ath10k was so overbuffered that on one test > I could try to start 100 flows, and only get five. > > https://lwn.net/Articles/705884/ > > and on my slides: > > https://blog.linuxplumbersconf.org/2016/ocw//system/presentations/3963/ > original/linuxplumbers_wifi_latency-3Nov.pdf > Hi Dave, So your mean is change 8 to 32 will impact latency? It will increase latency of rx? > > 0xFFFEFFFF
