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Than McIntosh 5aea597905 [dev.link] cmd/link/internal/loader: do more bulk allocation 
Change the loader to do more bulk allocation when making slices of
small objects (sym.Reloc, etc) as part of creating and populating
sym.Symbols in loader.LoadFull(). This replaces a large number of
small allocations with a smaller number of large allocations,
improving performace. Compilebench numbers (linker portion) for this
change:

name                      old time/op       new time/op       delta
LinkCompiler                    1.71s ±11%        1.57s ± 9%   -8.35%  (p=0.000 n=19+20)
LinkWithoutDebugCompiler        1.19s ±14%        1.10s ±13%   -7.93%  (p=0.000 n=20+19)

name                      old user-time/op  new user-time/op  delta
LinkCompiler                    1.86s ±15%        1.34s ±10%  -28.02%  (p=0.000 n=20+20)
LinkWithoutDebugCompiler        1.05s ±14%        0.95s ± 9%   -9.17%  (p=0.000 n=19+20)

Hyperkube from kubernetes doesn't show any significant benefit (which
seems a little surprising).

Change-Id: Ide97f78532fb60b08bb6e4cfa097e9058f7ea8ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/203457
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-11-01 18:49:50 +00:00
.github
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc doc: document Go 1.13.4 2019-10-31 21:47:51 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc misc: delete benchcmp forwarding script 2019-10-23 21:41:15 +00:00
src [dev.link] cmd/link/internal/loader: do more bulk allocation 2019-11-01 18:49:50 +00:00
test [dev.link] all: merge branch 'master' into dev.link 2019-11-01 10:45:24 -04:00
.gitattributes
.gitignore
AUTHORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +00:00
CONTRIBUTING.md
CONTRIBUTORS C: update email address for utkarsh-extc 2019-10-03 12:39:06 +00:00
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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

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

Contributing

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

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

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.