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Cherry Mui ddd822e5ca cmd/link: don't sort data symbols by name
For data symbols, we currently sort them by size, then by name if
the size is the same. Sorting by name is not really necessary.
Instead, we sort by symbol index. Like name, the symbol index is
deterministic, and pretty stable if only a small portion of the
input is changed, and also naturally partitioned by packages. This
reduces the CPU time for reading the symbol names and comparing
strings.

Linking cmd/compile (on macOS/amd64),

Dodata    57.2ms ± 6%    54.5ms ± 4%   -4.74%  (p=0.000 n=19+17)

Change-Id: I1c4f2b83dbbb4b984b2c8ab4a7e8543b9f7f22b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/487515
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2023-04-24 16:50:28 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api log/slog: add Source type for source location 2023-04-20 17:36:42 +00:00
doc doc: add release notes for new context functions 2023-04-20 13:01:21 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc misc/wasm: support wasmtime in wasip1 2023-04-21 21:39:27 +00:00
src cmd/link: don't sort data symbols by name 2023-04-24 16:50:28 +00:00
test runtime, cmd: rationalize StackLimit and StackGuard 2023-04-21 19:28:56 +00:00
.gitattributes
.gitignore cmd/dist: refactor generated cgo-support logic 2023-04-20 17:26:46 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
LICENSE
PATENTS
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +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 4.0 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.