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Mikio Hara authored
This CL reduces unnecessary network facility lookups introduced by recent changes below. changeset: 15798:53a4da6a4f4a net: return correct point-to-point interface address on linux changeset: 15799:a81ef8e0cc05 net: set up IPv6 scoped addressing zone for network facilities Also adds a test case for issue 4839. Benchmark results on linux/amd64, virtual machine: benchmark old ns/op new ns/op delta BenchmarkInterfaces-2 80487 80382 -0.13% BenchmarkInterfaceByIndex-2 72013 71391 -0.86% BenchmarkInterfaceByName-2 79865 80101 +0.30% BenchmarkInterfaceAddrs-2 42071 829677 +1872.09% BenchmarkInterfacesAndAddrs-2 35016 607622 +1635.27% BenchmarkInterfacesAndMulticastAddrs-2 169849 169082 -0.45% old: 15797:9c3930413c1b, new: tip Benchmark results on linux/amd64, virtual machine: benchmark old ns/op new ns/op delta BenchmarkInterfaces-2 80487 81459 +1.21% BenchmarkInterfaceByIndex-2 72013 71512 -0.70% BenchmarkInterfaceByName-2 79865 80567 +0.88% BenchmarkInterfaceAddrs-2 42071 120108 +185.49% BenchmarkInterfacesAndAddrs-2 35016 33259 -5.02% BenchmarkInterfacesAndMulticastAddrs-2 169849 82391 -51.49% old: 15797:9c3930413c1b, new: tip+CL7400055 Benchmark results on darwin/amd64: benchmark old ns/op new ns/op delta BenchmarkInterfaces-2 34402 34231 -0.50% BenchmarkInterfaceByIndex-2 13192 12956 -1.79% BenchmarkInterfaceByName-2 34791 34388 -1.16% BenchmarkInterfaceAddrs-2 36565 63906 +74.77% BenchmarkInterfacesAndAddrs-2 17497 31068 +77.56% BenchmarkInterfacesAndMulticastAddrs-2 25276 66711 +163.93% old: 15797:9c3930413c1b, new: tip Benchmark results on darwin/amd64: benchmark old ns/op new ns/op delta BenchmarkInterfaces-2 34402 31854 -7.41% BenchmarkInterfaceByIndex-2 13192 12950 -1.83% BenchmarkInterfaceByName-2 34791 31926 -8.23% BenchmarkInterfaceAddrs-2 36565 42144 +15.26% BenchmarkInterfacesAndAddrs-2 17497 17329 -0.96% BenchmarkInterfacesAndMulticastAddrs-2 25276 24870 -1.61% old: 15797:9c3930413c1b, new: tip+CL7400055 Update #4234. Fixes #4839 (again). Fixes #4866. R=golang-dev, fullung CC=golang-dev https://golang.org/cl/7400055
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