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The Go programming language
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Keith Randall 59bc93535b cmd/compile: keep typecheck results in syntax tree 
Saves on both space and cost of map operations. Saves about 3% in compile time.

name                      old time/op       new time/op       delta
Template                        251ms ± 2%        244ms ± 1%   -2.78%  (p=0.000 n=8+8)
Unicode                         149ms ± 5%        135ms ± 2%   -9.03%  (p=0.000 n=10+10)
GoTypes                         1.38s ± 1%        1.35s ± 1%   -2.29%  (p=0.000 n=10+10)
Compiler                        115ms ± 2%        112ms ± 2%   -2.50%  (p=0.001 n=10+9)
SSA                             11.9s ± 0%        11.4s ± 0%   -4.04%  (p=0.000 n=9+10)
Flate                           153ms ± 1%        148ms ± 1%   -3.32%  (p=0.000 n=10+9)
GoParser                        284ms ± 2%        280ms ± 1%   -1.70%  (p=0.002 n=10+10)
Tar                             209ms ± 2%        205ms ± 2%   -1.98%  (p=0.004 n=9+10)
XML                             287ms ± 2%        281ms ± 1%   -2.06%  (p=0.000 n=10+10)
LinkCompiler                    508ms ± 2%        501ms ± 2%   -1.31%  (p=0.024 n=9+9)
ExternalLinkCompiler            2.66s ± 3%        2.63s ± 4%     ~     (p=0.280 n=10+10)
LinkWithoutDebugCompiler        338ms ± 3%        330ms ± 3%   -2.21%  (p=0.009 n=10+10)
StdCmd                          21.5s ± 1%        20.8s ± 1%   -3.27%  (p=0.000 n=9+9)
[Geo mean]                      615ms             597ms        -2.91%

name                      old user-time/op  new user-time/op  delta
Template                        344ms ± 2%        324ms ± 3%   -6.01%  (p=0.000 n=9+9)
Unicode                         215ms ±11%        192ms ± 2%  -10.84%  (p=0.000 n=10+9)
GoTypes                         1.99s ± 2%        1.93s ± 2%   -2.73%  (p=0.000 n=10+10)
Compiler                        142ms ± 4%        140ms ± 3%   -1.89%  (p=0.031 n=9+9)
SSA                             17.4s ± 1%        17.0s ± 5%     ~     (p=0.113 n=9+10)
Flate                           200ms ± 4%        196ms ± 6%     ~     (p=0.190 n=10+10)
GoParser                        388ms ± 3%        378ms ± 4%   -2.59%  (p=0.004 n=9+10)
Tar                             278ms ± 8%        277ms ± 2%     ~     (p=0.315 n=10+10)
XML                             387ms ± 2%        381ms ± 2%   -1.63%  (p=0.005 n=8+8)
LinkCompiler                    784ms ± 4%        778ms ± 2%     ~     (p=0.436 n=10+10)
ExternalLinkCompiler            2.45s ± 1%        2.42s ± 1%   -1.11%  (p=0.001 n=10+9)
LinkWithoutDebugCompiler        374ms ± 3%        366ms ± 2%   -2.15%  (p=0.010 n=10+9)
[Geo mean]                      600ms             583ms        -2.91%

Change-Id: I9552a70d6a2ad500e9acd8815762b761be3c2ff9
Reviewed-on: https://go-review.googlesource.com/c/go/+/432897
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
2022-09-29 20:55:01 +00:00
.github .github: update issue label for pkgsite-removal 2022-09-07 16:00:20 +00:00
api debug/elf: fix typo in R_PPC64_TPREL34 and R_PPC64_DTPREL34 2022-09-29 19:54:44 +00:00
doc spec: describe an edge case for slice expression of nil slice 2022-09-21 14:06:17 +00:00
lib/time lib/time, time/tzdata: update to 2022b 2022-08-11 20:03:19 +00:00
misc misc/wasm: update deprecated substr usage 2022-09-27 17:15:12 +00:00
src cmd/compile: keep typecheck results in syntax tree 2022-09-29 20:55:01 +00:00
test go/types, types2: more concise error messages for cycle errors 2022-09-29 14:21:33 +00:00
.gitattributes
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codereview.cfg
CONTRIBUTING.md
LICENSE
PATENTS
README.md README.md: update wiki link 2022-04-26 16:21:18 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +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://go.dev/dl/.

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

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

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

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

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