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Josh Bleecher Snyder c702f91b38 net: add ReadFromUDPAddrPort 
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>
2021-11-02 18:35:35 +00:00
.github .github: update IRC server 2021-09-30 19:56:27 +00:00
api cmd/go: stamp VCS revision and uncommitted status into binaries 2021-10-14 18:44:37 +00:00
doc doc/go1.18: add net/netip 2021-11-02 06:20:21 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc cmd/dist: add asan tests in misc/cgo/testsanitizers package 2021-11-02 06:21:44 +00:00
src net: add ReadFromUDPAddrPort 2021-11-02 18:35:35 +00:00
test cmd/compile: mark type descriptors as always dupok 2021-11-02 18:31:53 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

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After downloading a binary release, visit https://golang.org/doc/install for installation instructions.

Install From Source

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Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://golang.org/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.