c702f91b38
It is now possible to do completely allocation-free UDP. This is implemented completely separately from ReadFromUDP because ReadFromUDP exists in a delicate balance to allow mid-stack inlining. After performance-sensitive callers have migrated to ReadFromUDPAddrPort, we may be able to simplify ReadFromUDP to call ReadFromUDPAddrPort. name old time/op new time/op delta WriteToReadFromUDPAddrPort-8 4.71µs ± 2% 4.81µs ± 5% +2.18% (p=0.000 n=14+14) name old alloc/op new alloc/op delta WriteToReadFromUDPAddrPort-8 4.00B ± 0% 0.00B -100.00% (p=0.000 n=15+15) name old allocs/op new allocs/op delta WriteToReadFromUDPAddrPort-8 1.00 ± 0% 0.00 -100.00% (p=0.000 n=15+15) Change-Id: I37f5ad9416a1d4333ed48d83474b2cf933b2a1be Reviewed-on: https://go-review.googlesource.com/c/go/+/360600 Trust: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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