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tailscale/net/flowtrack
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Brad Fitzpatrick 9e0a5cc551 net/flowtrack: optimize Tuple type for use as map key 
This gets UDP filter overhead closer to TCP. Still ~2x, but no longer ~3x.

    goos: darwin
    goarch: arm64
    pkg: tailscale.com/wgengine/filter
                                       │   before    │                after                │
                                       │   sec/op    │   sec/op     vs base                │
    FilterMatch/tcp-not-syn-v4-8         15.43n ± 3%   15.38n ± 5%        ~ (p=0.339 n=10)
    FilterMatch/udp-existing-flow-v4-8   42.45n ± 0%   34.77n ± 1%  -18.08% (p=0.000 n=10)
    geomean                              25.59n        23.12n        -9.65%

Updates #12486

Change-Id: I595cfadcc6b7234604bed9c4dd4261e087c0d4c4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2024-06-18 21:31:48 -07:00
..
flowtrack_test.go net/flowtrack: optimize Tuple type for use as map key 2024-06-18 21:31:48 -07:00
flowtrack.go net/flowtrack: optimize Tuple type for use as map key 2024-06-18 21:31:48 -07:00