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
Hermes Engineのチカラを その身で感ぜよう!
Search
Haochen Kotoi-Xie
January 27, 2024
Programming
0
240
Hermes Engineのチカラを その身で感ぜよう!
Hermes Engine が速いという話
Haochen Kotoi-Xie
January 27, 2024
Tweet
Share
More Decks by Haochen Kotoi-Xie
See All by Haochen Kotoi-Xie
社内アプリで Cloudflare D1を プロダクト運用してみた体験談(Tokyo)
haochenx
0
420
社内アプリで Cloudflare D1を プロダクト運用してみた体験談 @Cloudflare Meetup Nagoya
haochenx
0
200
Other Decks in Programming
See All in Programming
List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'"
philipschwarz
PRO
0
170
REST API設計の実践 – ベストプラクティスとその落とし穴
kentaroutakeda
2
340
Rails産でないDBを Railsに引っ越すHACK - Omotesando.rb #110
lnit
1
150
セキュリティマネジャー廃止とクラウドネイティブ型サンドボックス活用
kazumura
1
140
JSAI2025 RecSysChallenge2024 優勝報告
unonao
1
420
TypeScript LSP の今までとこれから
quramy
1
430
「兵法」から見る質とスピード
ickx
0
240
TypeScript製IaCツールのAWS CDKが様々な言語で実装できる理由 ~他言語変換の仕組み~ / cdk-language-transformation
gotok365
7
400
20250528 AWS Startupイベント登壇資料:AIコーディングの取り組み
procrustes5
0
130
TypeScript だけを書いて Tauri でデスクトップアプリを作ろう / Tauri with only TypeScript
tris5572
2
570
〜可視化からアクセス制御まで〜 BigQuery×Looker Studioで コスト管理とデータソース認証制御する方法
cuebic9bic
3
310
推論された型の移植性エラーTS2742に挑む
teamlab
PRO
0
170
Featured
See All Featured
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
BBQ
matthewcrist
89
9.7k
Scaling GitHub
holman
459
140k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.3k
GitHub's CSS Performance
jonrohan
1031
460k
A better future with KSS
kneath
239
17k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
15
900
A Tale of Four Properties
chriscoyier
159
23k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
6
670
Transcript
Haochen Kotoi-Xie on 2024-01-27 (bd04w6) Hermes EngineͷνΧϥΛ ͦͷͰײͥΑ͏! @NGK2024S
Τϧϝεͷ͠Λ͠·͢ Hermès
! ʮΤϧϝεʯͱ͍͏ͱ
! ʮΤϧϝεʯͱ͍͏ͱ ΦϨϯδͷԿ͔
ͷ܅!
"#$ ΞϯέʔτλΠϜ %%% • ʮJavaScriptʯΛ͍ͬͯ·͔͢? • ʮOCamlʯΛ͍ͬͯ·͔͢? • ʮECMAScriptʯΛ͍ͬͯ·͔͢? What
is?
Hermes Engine: ECMAScript ͷ࣮ߦڥ ग़య: https://test262.fyi/ (not by TC39) (2024-01-27࣌)
What is?
React Native ͷͨΊʹ࡞ΒΕͨ
ͷͰɺ& Facebook (ݱmeta)
ΦϨϯδ vs ϛυϦ ͓ஈ ͓৭ ϩΰ(?) ࣮Ոύϫʔ† MKT$ ΦϨϯδ അंతͳԿ͔
206.57 billion EUR (x1) FREE ϛυϦ ӋతͳԿ͔ 1.01 trillion USD (x4.5) †Market Capج४ (2024-01-27࣌) ' ' ⚖ '' '''
ΦϨϯδ vs ϛυϦ ͓ஈ ͓৭ ϩΰ(?) ࣮Ոύϫʔ† MKT$ ΦϨϯδ അंతͳԿ͔
206.57 billion EUR (x1) FREE ϛυϦ ӋతͳԿ͔ 1.01 trillion USD (x4.5) †Market Capج४ (2024-01-27࣌) ' ' ⚖ '' '''
) βɾΤϧϝε
Hermes Engine: ECMAScript ͷ࣮ߦڥ (for React Native) ChakraCore: MS Edge
ͷ(ݩ) ECMAScript Τϯδϯ ࢀߟ: V8 / SpiderMonkey / JavaScriptCore: Chrome / Firefox / Safari ͷ ECMAScript Τϯδϯ ͳʹ? ग़య: https://test262.fyi/ (not by TC39) (2024-01-27࣌)
Source Code: https://github.com/kxcdev/kxc-melange-react-native-template Left: Hermes Engine Right: JavaScriptCore on Google
Pixel 6 !!!!! ͱ͍ͯ
ग़య: https://www.callstack.com/blog/hermes-performance-on-ios Left: Hermes Engine Right: JavaScriptCore on iPhone 12
Mini ͱ͍ͯ
ग़య: https://www.callstack.com/blog/hermes-performance-on-ios ← ← ← *Stock RN = JavaScriptCore Smaller
= Better ͱ͍ͯ
ग़య: https://www.callstack.com/blog/hermes-performance-on-ios ← ← ← ← *Stock RN = JavaScriptCore
Smaller = Better
Source Code: https://github.com/kxcdev/kxc-melange-react-native-template Left: Hermes Engine Right: JavaScriptCore on Google
Pixel 6 !!!!! ͱ͍ͯ
ͳ͍ͥ? • AoT (Ahead of Time) ίϯύΠϧ • Source Code
==> Byte Code • Latency over Throughput • Better App Experience • Optimized for React Native • More Specialized == Easier Optimization
ͬͱ͘ͳΔ? ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement
ͬͱ͘ͳΔ? ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement
ͬͱ͘ͳΔ? ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement
ͬͱૣ͘ͳΔ?? ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement
ͬͱૣ͘ͳΔ?? ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement ग़య: https://speakerdeck.com/tmikov2023/static-hermes-react-native-eu-2023-announcement
ͬͱ͘ͳΔ?? ग़య: https://github.com/facebook/hermes/discussions/1137
ͬͱ͘ͳΔ?? ग़య: https://github.com/facebook/hermes/discussions/1137 ←ൺֱର
ͬͱ͘ͳΔ?? ग़య: https://github.com/facebook/hermes/discussions/1137 ←ൺֱର C → Static Hermes →
·ͱΊ • Hermes (ϛυϦ) ͍! • C ʹඖఢͨ͠Γ?! • Hermes
(ϛυϦ) ΛͬͯΈ·͠ΐ͏! • ࠷ۙͷ React Native ͑ default ͕ Hermes • OCaml ͍͍ͥ! • Hermes (ϛυϦ) ͱͷ૬ੑͬͪΓ!