David Anderson
2d604b3791
net/packet: represent IP6 as two uint64s.
...
For the operations we perform on these types (mostly net6.Contains),
this encoding is much faster.
Part of #19 .
name old time/op new time/op delta
Filter/icmp4-8 27.5ns ± 1% 28.0ns ± 2% +1.89% (p=0.016 n=5+5)
Filter/tcp4_syn_in-8 38.8ns ± 2% 38.3ns ± 1% -1.24% (p=0.024 n=5+5)
Filter/tcp4_syn_out-8 27.6ns ±12% 24.6ns ± 1% ~ (p=0.063 n=5+5)
Filter/udp4_in-8 71.5ns ± 5% 65.9ns ± 1% -7.94% (p=0.008 n=5+5)
Filter/udp4_out-8 132ns ±13% 119ns ± 1% -10.29% (p=0.008 n=5+5)
Filter/icmp6-8 169ns ±10% 54ns ± 1% -68.35% (p=0.008 n=5+5)
Filter/tcp6_syn_in-8 149ns ± 6% 43ns ± 1% -71.11% (p=0.008 n=5+5)
Filter/tcp6_syn_out-8 37.7ns ± 4% 24.3ns ± 3% -35.51% (p=0.008 n=5+5)
Filter/udp6_in-8 179ns ± 5% 103ns ± 1% -42.75% (p=0.008 n=5+5)
Filter/udp6_out-8 156ns ± 3% 191ns ± 1% +22.54% (p=0.008 n=5+5)
Signed-off-by: David Anderson <danderson@tailscale.com>
2020-11-12 21:41:21 -08:00
