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
jsconf.eu x Node Collaborators Meetup journey
Search
Yosuke Furukawa
PRO
June 28, 2017
Programming
0
1.8k
jsconf.eu x Node Collaborators Meetup journey
東京Node学園26時限目で飛び入りLTで発表した資料です。
Yosuke Furukawa
PRO
June 28, 2017
Tweet
Share
More Decks by Yosuke Furukawa
See All by Yosuke Furukawa
Welcome JSConf.jp 2024
yosuke_furukawa
PRO
1
3.8k
tc39 x jsconf.jp Panel Discussion 2024
yosuke_furukawa
PRO
0
200
Removing Corepack
yosuke_furukawa
PRO
9
1.5k
JavaScript Runtime とはなにか
yosuke_furukawa
PRO
15
2.6k
Strip Types と Storage
yosuke_furukawa
PRO
4
370
Module Harmony について
yosuke_furukawa
PRO
3
1.6k
LTのやり方
yosuke_furukawa
PRO
16
2.4k
AppRouter Panel Talk
yosuke_furukawa
PRO
3
760
Node.js v22 で変わること
yosuke_furukawa
PRO
13
5.8k
Other Decks in Programming
See All in Programming
良いコードレビューとは
danimal141
9
7.8k
Boost Performance and Developer Productivity with Jakarta EE 11
ivargrimstad
0
1.1k
CloudNativePGを布教したい
nnaka2992
0
120
変化の激しい時代における、こだわりのないエンジニアの強さ
satoshi256kbyte
0
110
責務と認知負荷を整える! 抽象レベルを意識した関心の分離
yahiru
9
1.5k
Djangoにおける複数ユーザー種別認証の設計アプローチ@DjangoCongress JP 2025
delhi09
PRO
4
510
クリーンアーキテクチャから見る依存の向きの大切さ
shimabox
5
1.1k
Jakarta EE meets AI
ivargrimstad
0
650
未経験でSRE、はじめました! 組織を支える役割と軌跡
curekoshimizu
1
200
クックパッド検索システム統合/Cookpad Search System Consolidation
giga811
0
140
たのしいSocketのしくみ / Socket Under a Microscope
coe401_
8
1.4k
SwiftUI Viewの責務分離
elmetal
PRO
2
280
Featured
See All Featured
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
100
18k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5.2k
Into the Great Unknown - MozCon
thekraken
35
1.6k
StorybookのUI Testing Handbookを読んだ
zakiyama
28
5.5k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
59k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
129
19k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Intergalactic Javascript Robots from Outer Space
tanoku
270
27k
The Art of Programming - Codeland 2020
erikaheidi
53
13k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
46
2.4k
The World Runs on Bad Software
bkeepers
PRO
67
11k
Become a Pro
speakerdeck
PRO
26
5.2k
Transcript
Node Collaborators Meetup & JSConf.EU 2017/06/28 NodeֶԂ 26
None
None
None
໘ന͔ͬͨ 3ͭհ
1. How to save
2017ݱࡏɺύεϫʔυΛͲ ͏ͬͯ҆શʹอଘ͢Δ͔
ύεϫʔυͲ͏ͬͯอଘ͠ ͯ·͔͢ʁ ฏจͰอଘͯ͠ΔΑʔͬͯ ਓʁʁʁ
ύεϫʔυͲ͏ͬͯอଘ͠ ͯ·͔͢ʁ ฏจͰอଘͯ͠ΔΑʔͬͯ ਓʁʁʁ ࢮܐ
ύεϫʔυͲ͏ͬͯอଘ͠ ͯ·͔͢ʁ ͪΌʔΜͱϋογϡԽͯ͠· ͢Αʔʂ md5 Ͱʂʂʂʂ
ύεϫʔυͲ͏ͬͯอଘ͠ ͯ·͔͢ʁ ͪΌʔΜͱϋογϡԽͯ͠· ͢Αʔʂ md5 Ͱʂʂʂʂ ࢮܐ
Ͱਖ਼ʹݴͬͯʁ ͜ΕͬͪΌͬͨ͜ͱ͋Δਓ ͍ͳ͍ʁʁʁ
Ͱ͢Ͷʂʂʂʂʂ (ϗϏʔϓϩδΣΫτ)
͜ΕΒͷϋογϡؔ ύεϫʔυϋογϡͱͯ͠ ;͞Θ͘͠ͳ͍ md5/sha1/sha256
ύεϫʔυอଘ͢Δ࣌ͷ ϋογϡؔ ҉߸తϋογϡؔͱ ݺΕΔͷ bcrypt/pbkdf2/scrypt
CDSZQUJTTUJMMTFDVSFJO CVUBSHPOXPOJO1BTTXPSE )BTI$POUFTU
҉߸తϋογϡؔฒྻ࣮ ߦՄೳͳճ࿏ͰҰؾʹԋࢉ͞ ΕΔͱղಡͰ͖ͪΌ͏͔ʁ (Ex: GPU, FPGA)
ͦ͜Ͱ Argon2 Password Hash Competition Ͱ༏উͨ͠ϋογϡؔɺ ݱࡏ࠷ڧ?ͷͣɻ
Α͘Θ͔Βͳ͔ͬͨͬͯਓʁ
҆৺ͯ͠Լ͍͞ʂʂʂ
OQNJTFDVSFQBTTXPSE ͜Ε͚֮ͩ͑ͯΕ͍͍Ͱ͢ʂ
None
JavaScript͕Ͳ͏ͬͯಈ͍ ͍ͯΔ͔ͱ͍͏
ͦͦJavaScriptͬͯͲ͏ಈ ͍ͯΔͷʁ தC++Ͱbytecodeੜͯͨ͠Γ͢Δ
JIT (Hidden Class) 0QUJNJ[BUJPOͱݺͿ
ͨͩ͠ var obj = { x: 1, y: 2, };
// obj ͷ y propΛফ͢ delete obj.y; // obj ʹ z propΛ͢ obj.z = 3; // obj ͷ props Λ֬ೝ͢Δ obj.hasOwnProperties ͜͏͍͏͜ͱΔͱ͍
ͨͩ͠ var obj = { x: 1, y: 2, };
// obj ͷ y propΛফ͢ delete obj.y; // obj ʹ z propΛ͢ obj.z = 3; // obj ͷ props Λ֬ೝ͢Δ obj.hasOwnProperties ͜͏͍͏͜ͱΔͱ͍ ͜ΕΛ%FPQUJNJ[BUJPOͱݺͿ
JSͷதͷಈ͖ɹ
V8͜͏
V8͜͏
DEMO function deopt(obj) { return obj.x; } for (var i
= 0; i < 1000000; i++) { deopt({ x: 1, y: 2}); } // deoptimized… deopt({ x: 1, y: 2, z: 3});
͋ͱ։ൃऀ͚ʹ͜ͷΦϓγϣ ϯΛ͓͑ͯ͘ͱΠφϑ
OK͜ΕͰɺJSͷίʔυΑ ΓߴʹͳΔͣɻ
Ͱɾɾɾ
ࠓޙʹͳͬͯ͘Δॴ
Parseॲཧ
Parseॲཧ
Parseॲཧ • ParseॲཧͷతͰ͖Δ͚ͩૣ͘จ๏Τϥʔ Λ͑ͯASTʹม͢Δ͜ͱ
Parseॲཧ • v8ͷParser࣮2ͭ͋Δ • Eager Parser: • ίϯύΠϧ͍ͨ͠શͯͷؔΛύʔε͢ΔͨΊʹΘΕΔ • AST
ߏங͕ϝΠϯλεΫ • JSͷscopeΛߏங͠ɺESSpecʹԊͬͨશͯͷsyntaxΤϥʔΛݟ͚ͭΔ • Lazy Parser: • ίϯύΠϧͨ͘͠ͳ͍ؔͷύʔεΛεΩοϓ͢ΔͨΊʹΘΕΔ • ASTߏங͠ͳ͍ • அՄೳͳsyntaxΤϥʔͷΈݟ͚ͭΔɺESspecʹඞͣ͠ԊΘͳ͍
Parseॲཧ • ʮॳظஈ֊Ͱ Lazy Parser ʹࣄͤͯ͞ޙʹ Eager Parser ʹࣄͤ͞Δʯͱ͍͏উෛ •
Lazy Parse ͢Δͷ͔ Eager Parse ͢Δͷ͔ V8 ͷؾ ࣍ୈͰܾ·Δͷ͕ଟ͍(Heuristic) • ຊʹStartup࣌ʹඞཁͳͷ͚ͩEager Parseͤ͞ ͯɺଞLazy Parse ͍ͤͨ͞
Optimize.js • https://github.com/nolanlawson/optimize-js • optimize.js ͜ͷ Eager Parse Λແཧཧ Lazy
Parseʹ͢ΔͨΊͷtranspiled optimizer
Optimize.js ͜Μͳײ͡Ͱແཧཧ-B[Z 1BSTFͤ͞ΔͨΊͷ ώϯτΛ༩͑Δ
Α͘Θ͔Βͳ͔ͬͨͬͯਓʁ
҆৺ͯ͠Լ͍͞ʂʂʂ
͜Ε͚֮ͩ͑ͯԼ͍͞ʂ Chrome/Nodeࠓޙͬͱ ͘ͳΔʂ Optimize.js ͏ͱͬͱ ͬͱ͘ͳΔ(͔)ʂ
Node Collaborators Summit
None
Node.js ͷίϥϘϨʔλ͕Ұ ಉʹհͯ͠coreͷ࡞ۀΛߦͬ ͨΓɺٞ͢Δॴ
http2, promise, stream, etc
͜Μͳײ͡ͷՌɺͪͳΈʹIUUQ/PEFશવಈ͔ͳ͍ͷͰɺ ͪΌΜͱಈ͔ͤΔͷʹ͍͖ͯ͠·͢ ʆŋТŋ ʎ
·ͱΊ • jsconf.eu࠷ߴͰͨ͠ • ΈΜͳReactͱ͔Angularͱ͔ͦ͏͍͏ͯ͠ͳ͍ • Ͳ͔ͬͪͱ͍͏ͱJSͱ͍͏ΩʔϫʔυͷԞʹ͋ΔϨΠϠʔͳ ෦ͩͬͨΓɺΣϒ͚ͩͰͳ͍ผͷΛղܾ͍ͯͨ͠Γ • Node
Collaborators Meetup࠷ߴͰͨ͠ • Node.js http2 ͍ͬͯͧ͘ʂʂʂʂʂ
࣍Node InteractiveͰ ൃද͢Δ༧ఆͰ͢ɻ
͋Γ͕ͱ͏͍͟͝·ͨ͠