Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
PHPのARM向け最適化の中身を見てみた
Search
hnw
March 25, 2023
Technology
0
550
PHPのARM向け最適化の中身を見てみた
PHPerKaigi 2023 (2023/03/25) 発表資料
hnw
March 25, 2023
Tweet
Share
More Decks by hnw
See All by hnw
PHPのimmutable arrayとは
hnw
1
560
PHPerだってPHPから「OKグーグル」したい!
hnw
1
2.3k
Other Decks in Technology
See All in Technology
AWS アーキテクチャ作図入門/aws-architecture-diagram-101
ma2shita
24
8.8k
VCpp Link and Library - C++ breaktime 2025 Summer
harukasao
0
210
AWS と定理証明 〜ポリシー言語 Cedar 開発の舞台裏〜 #fp_matsuri / FP Matsuri 2025
ytaka23
9
2.5k
Tenstorrent HW/SW 概要説明
tenstorrent_japan
0
410
CI/CDとタスク共有で加速するVibe Coding
tnbe21
0
210
LinkX_GitHubを基点にした_AI時代のプロジェクトマネジメント.pdf
iotcomjpadmin
0
120
DenoとJSRで実現する最速MCPサーバー開発記 / Building MCP Servers at Lightning Speed with Deno and JSR
yamanoku
1
120
ObsidianをMCP連携させてみる
ttnyt8701
2
130
Long journey of Continuous Delivery at Mercari
hisaharu
1
220
Rubyで作る論理回路シミュレータの設計の話 - Kashiwa.rb #12
kozy4324
1
320
Uniadex__公開版_20250617-AIxIoTビジネス共創ラボ_ツナガルチカラ_.pdf
iotcomjpadmin
0
110
DB 醬,嗨!哪泥嘎斯基?
line_developers_tw
PRO
0
260
Featured
See All Featured
Writing Fast Ruby
sferik
628
61k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Designing Experiences People Love
moore
142
24k
A designer walks into a library…
pauljervisheath
206
24k
Raft: Consensus for Rubyists
vanstee
140
7k
Code Review Best Practice
trishagee
68
18k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
48
5.4k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
Automating Front-end Workflow
addyosmani
1370
200k
The Straight Up "How To Draw Better" Workshop
denniskardys
233
140k
Transcript
Exploring ARM64 optimization in PHP 7.4+ 1)1ͷ"3.͚࠷దԽͷ தΛݟͯΈͨ 1)1FS,BJHJ
ൃදࢿྉ !IOX
ࣗݾհ ❖ !IOX ❖ ॴଐɿ,-BCגࣜձࣾ ❖ $50ͯ͠·͢ ❖ 1)1ຊମͷ$ιʔείʔυΛಡΉͷ͕झຯ ❖
1)1ຊମͷόάΛ݅ใࠂ
Έͳ͞Μ "3.Πϯελϯεͬͯ·͢ʁ
ࠓ"3.ۙͳબࢶ ❖ "84(SBWJUPOʢಠࣗ"3.ܥ$16ʣΠϯελϯεΛఏڙ͍ͯ͠Δ ❖ ίετύϑΥʔϚϯεʹ༏Ε͍ͯΔ ❖ ಉఔͷੑೳͷNH "3. ͕N *OUFM
ΑΓ͍҆ ※ ౦ژϦʔδϣϯͷΦϯσϚϯυΠϯελϯεͷՁ֨Ͱൺֱ 0''
ࠓ͙͢"3.Λ࠾༻͖͔͢ʁ ❖ ຊʹ҆͘ͳΔ͔ཁݕ౼ ❖ ΞϓϦέʔγϣϯʹΑͬͯ"3.ͷํ͕͍͜ͱ͋Δ ❖ ֤छ044ͷ࠷దԽ*OUFMܥͷํ͕ਐΜͰ͍Δ ❖ "3.͚࠷దԽͷਐߦͱ$16։ൃͷਐߦͰঢ়گվળ͍ͯͣ͘͠ ❖
1)1ʹ͍ͭͯ"84ࣾһ͕"3.Ή͚࠷దԽΛຊମʹDPOUSJCVUF ❖ 1)1ʢϦϦʔεʣҎ߱Ͱར༻Ͱ͖Δ
"3.্ͷ1)1͍ͷ͔ʁ ❖ ͔֬ʹ1)1͔Β"3.͚ͩ͘ͳͬͯΔʢ.H͕(SBWJUPOʣ VQ VQ
ϕϯνϚʔΫςετ͕͍͚ͩͰʁ ❖ ࣮ΞϓϦͰ1)1͔Β"3.͚ͩ͘ͳͬͯΔ VQ
❖ Ճݮࢉԋࢉࢠɺ࿈ྻͷ෦ॲཧɺؔݸΛੑೳվળ 1)1ͷ"3.Ή͚࠷దԽͷத Function Speedup ࠷దԽͷத inc/dec 1.5x Φʔόʔϑϩʔݕग़ߴԽ add/sub
1.82x Φʔόʔϑϩʔݕग़ߴԽ hash_init 1.61x /&0/໋ྩར༻ hash_func 1.72x ໋ྩϨϕϧฒྻੑվળ crc32 29x "3.໋ྩར༻ strrev 7.8x /&0/໋ྩར༻ base64 encode 3.5x /&0/໋ྩར༻ base64 decode 2.15x /&0/໋ྩར༻ addslashes 2.8x /&0/໋ྩར༻ stripslashes 4.9x /&0/໋ྩར༻
࠷దԽͷओ/&0/໋ྩ ❖ /&0/໋ྩʹ"3.ͷ4*.% 4JOHMF*OTUSVDUJPO.VMUJQMF%BUB ໋ྩ ❖ 4*.%ʹ໋ྩͰෳͷσʔλʹରͯ͠ಉ͡ॲཧ͕Ͱ͖Δ ❖ ߴͳΜ͚ͩͲ͍ʹ͍͘Ϛγϯޠͷ໋ྩ܈ ❖
ը૾ॲཧͷߴԽͳͲ͕యܕతͳϢʔεέʔε
/&0/໋ྩͷయܕతͳར༻ྫ ❖ ࿈ଓϝϞϦྖҬʹ͋ΔϐΫηϧσʔλʢ3(#CJUʣΛ৭͝ͱʹॲཧ͢Δ
CBTF@FODPEFͷߴԽͷ༰ ❖ "3.͚࠷దԽͷதͰ໘ന͔ͬͨͷΛݸհ͠·͢ ❖ ߴԽରɿCBTF@FODPEF ❖ CJUͷόΠφϦΛCJUͷ"4$**ʹม͢Δॲཧ ❖ ߴԽͷख๏ɿ/&0/໋ྩΛͬͯόΠτΛҰׅม
❖ ഒͷߴԽ
CBTF@FODPEFͷߴԽͷ༰ ❖ WFDUPS WFDUPSʹಛԽͨ͠MPBETUPSF໋ྩΛ༗ޮ׆༻͍ͯ͠Δ
·ͱΊ ❖ "841)1ʹ"3.͚࠷దԽΛೖΕͨɺ1)1͔Βར༻Մೳ ❖ ࣗࣾͷϏδωεΛޙԡ͢͠Δ044DPOUSJCVUFɺ໘ന͍Ͱ͢Ͷ ❖ "3.͚ͷ࠷దԽ/&0/໋ྩΛར༻͢Δͷ͕ଟ͔ͬͨ ❖ ߴԽͰ͖Δؔɾॲཧଞʹ͋Γͦ͏ ❖
Έͳ͞Μ͍͖ͬͯ·͠ΐ͏ ❖ ݸਓతʹ3BTQCFSSZ1JʢCJU"3.ʣ͚ʹରԠ͍ͨ͠