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by jackhalford
101 days ago
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> By removing a bunch of conditionals for UDP-Lite from the fast path, udp_rr with 20,000 flows sees a 10% increase in pps (13.3 Mpps -> 14.7 Mpps) on an AMD EPYC 7B12 (Zen 2) 64-Core Processor platform. Considering the number linux udp sockets in the wild this is huge. It’s a shame C/compilers can’t optimize this away though without entirely removing the code, this is exactly why zig’s comptime exists. |
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