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ca82214144
Eric Dumazet says:
====================
tcp: implement rb-tree based retransmit queue
This patch series implement RB-tree based retransmit queue for TCP,
to better match modern BDP.
Tested:
On receiver :
netem on ingress : delay 150ms 200us loss 1
GRO disabled to force stress and SACK storms.
for f in `seq 1 10`
do
./netperf -H lpaa6 -l30 -- -K bbr -o THROUGHPUT|tail -1
done | awk '{print $0} {sum += $0} END {printf "%7u\n",sum}'
Before patch :
323.87 351.48 339.59 338.62 306.72
204.07 304.93 291.88 202.47 176.88
-> 2840
After patch:
1700.83 2207.98 2070.17 1544.26 2114.76
2124.89 1693.14 1080.91 2216.82 1299.94
-> 18053
Average of 1805 Mbits istead of 284 Mbits.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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