04bf36e973
Add a function which appends the binary representation of a value to the end of a slice.
This allows users to encode values with zero allocations. Also add Encode and Decode
functions which mimic unicode/utf8.
goos: darwin
goarch: arm64
pkg: encoding/binary
cpu: Apple M1 Pro
│ base.txt │ append.txt │
│ sec/op │ sec/op vs base │
ReadSlice1000Int32s-10 2.690µ ± 0% 2.532µ ± 3% -5.86% (p=0.002 n=6)
ReadStruct-10 205.8n ± 0% 201.4n ± 1% -2.14% (p=0.002 n=6)
WriteStruct-10 159.1n ± 0% 153.5n ± 0% -3.55% (p=0.002 n=6)
WriteSlice1000Structs-10 129.8µ ± 0% 124.2µ ± 0% -4.34% (p=0.002 n=6)
ReadSlice1000Structs-10 161.7µ ± 0% 160.3µ ± 0% -0.89% (p=0.002 n=6)
ReadInts-10 156.8n ± 0% 161.6n ± 0% +3.09% (p=0.002 n=6)
WriteInts-10 134.5n ± 0% 139.5n ± 2% +3.72% (p=0.002 n=6)
WriteSlice1000Int32s-10 2.691µ ± 16% 2.551µ ± 4% -5.20% (p=0.002 n=6)
PutUint16-10 0.6448n ± 4% 0.6212n ± 1% ~ (p=0.093 n=6)
AppendUint16-10 1.414n ± 0% 1.424n ± 1% ~ (p=0.115 n=6)
PutUint32-10 0.6210n ± 0% 0.6211n ± 0% ~ (p=0.833 n=6)
AppendUint32-10 1.414n ± 0% 1.426n ± 1% +0.85% (p=0.017 n=6)
PutUint64-10 0.6210n ± 0% 0.6394n ± 1% +2.95% (p=0.002 n=6)
AppendUint64-10 1.414n ± 0% 1.427n ± 2% ~ (p=0.052 n=6)
LittleEndianPutUint16-10 0.6239n ± 0% 0.6271n ± 1% ~ (p=0.063 n=6)
LittleEndianAppendUint16-10 1.421n ± 0% 1.432n ± 1% +0.81% (p=0.002 n=6)
LittleEndianPutUint32-10 0.6240n ± 0% 0.6240n ± 0% ~ (p=0.766 n=6)
LittleEndianAppendUint32-10 1.422n ± 1% 1.425n ± 0% ~ (p=0.673 n=6)
LittleEndianPutUint64-10 0.6242n ± 0% 0.6238n ± 0% -0.08% (p=0.030 n=6)
LittleEndianAppendUint64-10 1.420n ± 0% 1.449n ± 1% +2.04% (p=0.002 n=6)
ReadFloats-10 39.36n ± 0% 42.54n ± 1% +8.08% (p=0.002 n=6)
WriteFloats-10 33.65n ± 0% 35.27n ± 1% +4.80% (p=0.002 n=6)
ReadSlice1000Float32s-10 2.656µ ± 0% 2.526µ ± 1% -4.91% (p=0.002 n=6)
WriteSlice1000Float32s-10 2.765µ ± 0% 2.857µ ± 3% +3.31% (p=0.002 n=6)
ReadSlice1000Uint8s-10 129.1n ± 1% 130.4n ± 1% ~ (p=0.126 n=6)
WriteSlice1000Uint8s-10 144.90n ± 3% 18.67n ± 2% -87.12% (p=0.002 n=6)
PutUvarint32-10 12.11n ± 0% 12.12n ± 0% ~ (p=0.675 n=6)
PutUvarint64-10 30.82n ± 0% 30.79n ± 1% ~ (p=0.658 n=6)
AppendStruct-10 107.8n ± 0%
AppendSlice1000Structs-10 119.0µ ± 0%
AppendInts-10 55.29n ± 0%
AppendSlice1000Int32s-10 2.211µ ± 1%
geomean 33.07n 48.18n -7.03%
Fixes #60023
Change-Id: Ife3f217b11d5f3eaa5a53fe8a7e877552f751f94
Reviewed-on: https://go-review.googlesource.com/c/go/+/579157
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Ingo Oeser <nightlyone@googlemail.com>
Reviewed-by: Austin Clements <austin@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
|
||
|---|---|---|
| .github | ||
| api | ||
| doc | ||
| lib/time | ||
| misc | ||
| src | ||
| test | ||
| .gitattributes | ||
| .gitignore | ||
| codereview.cfg | ||
| CONTRIBUTING.md | ||
| go.env | ||
| LICENSE | ||
| PATENTS | ||
| README.md | ||
| SECURITY.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 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.