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5 Commits

Author SHA1 Message Date
tdakkota
35b4fd9f37 bytes, strings: reduce Split{,After}Seq heap allocations 
This CL slightly changes flow of splitSeq to help compiler to inline the iterator closure.

goos: linux
goarch: amd64
pkg: strings
cpu: AMD Ryzen 9 5950X 16-Core Processor
                                    │   sec/op    │   sec/op     vs base                │
SplitSeqEmptySeparator-32             3.590m ± 0%   3.430m ± 2%   -4.46% (p=0.000 n=30)
SplitSeqSingleByteSeparator-32        647.0µ ± 0%   656.1µ ± 0%   +1.41% (p=0.000 n=30)
SplitSeqMultiByteSeparator-32         423.9µ ± 1%   384.5µ ± 0%   -9.31% (p=0.000 n=30)
SplitAfterSeqEmptySeparator-32        3.372m ± 4%   3.514m ± 0%   +4.20% (p=0.000 n=30)
SplitAfterSeqSingleByteSeparator-32   648.5µ ± 2%   537.6µ ± 0%  -17.10% (p=0.000 n=30)
SplitAfterSeqMultiByteSeparator-32    423.3µ ± 2%   364.4µ ± 2%  -13.91% (p=0.000 n=30)
geomean                               984.7µ        917.3µ        -6.85%

                                    │    B/op    │   B/op     vs base                     │
SplitSeqEmptySeparator-32             24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
SplitSeqSingleByteSeparator-32        24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
SplitSeqMultiByteSeparator-32         24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
SplitAfterSeqEmptySeparator-32        24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
SplitAfterSeqSingleByteSeparator-32   24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
SplitAfterSeqMultiByteSeparator-32    24.00 ± 0%   0.00 ± 0%  -100.00% (p=0.000 n=30)
geomean                               24.00                   ?

For #73524

Change-Id: Ic83c5751a41c65030356a208e4ad1f500723e695
Reviewed-on: https://go-review.googlesource.com/c/go/+/669735
Auto-Submit: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
 2025-05-05 19:08:23 -07:00
Jes Cok
3c05790d48 bytes,strings: remove redundant return statement for Lines 
To make it more idiomatic.

Change-Id: If48ae9931908e515df7f23185aac6f84aac72084
GitHub-Last-Rev: 525ed5031a08388f637bd2a09bd47c9e25df21f1
GitHub-Pull-Request: golang/go#71838
Reviewed-on: https://go-review.googlesource.com/c/go/+/650595
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Commit-Queue: Robert Griesemer <gri@google.com>
 2025-02-19 10:22:08 -08:00
Cherry Mui
ff27d270c9 bytes: use "subslice" instead of "substring" in doc comments 
The bytes package iterators return subslices, not substrings.

Updates #61901.

Change-Id: Ida91d3e33a0f178edfe9a267861adf4f13f9a965
Reviewed-on: https://go-review.googlesource.com/c/go/+/647875
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
 2025-02-09 13:15:13 -08:00
Oleksandr Redko
b057b8872d bytes, strings: add cross-references in docstrings 
For newly funcs SplitSeq, SplitAfterSeq, FieldsSeq, FieldsFuncSeq.

Updates #61901.

Change-Id: I3c97bfd9c2250de68aaea348c82a05635ee797af
Reviewed-on: https://go-review.googlesource.com/c/go/+/637176
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
 2024-12-17 11:08:32 -08:00
aimuz
9becf401de bytes, strings: add Lines, SplitSeq, SplitAfterSeq, FieldsSeq, FieldsFuncSeq 
Fixes #61901.

Change-Id: I4db21c91fd21079f2aa3bc81fb03dd6f40423a38
GitHub-Last-Rev: ed3df560a40ea10cdcb8ad476ba6849463f3c761
GitHub-Pull-Request: golang/go#67543
Reviewed-on: https://go-review.googlesource.com/c/go/+/587095
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
 2024-08-14 18:23:13 +00:00