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
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Haochen Kotoi-Xie
January 27, 2024
Programming
0
260
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
OCaml 5でモダンな並列プログラミングを Enjoyしよう!
haochenx
0
180
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
520
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
220
Other Decks in Programming
See All in Programming
Ruby x Terminal
a_matsuda
7
600
Fundamentals of Software Engineering In the Age of AI
therealdanvega
1
260
社内規程RAGの精度を73.3% → 100%に改善した話
oharu121
13
8.1k
[SF Ruby Feb'26] The Silicon Heel
palkan
0
110
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
520
RAGでハマりがちな"Excelの罠"を、データの構造化で突破する
harumiweb
9
2.9k
The Ralph Wiggum Loop: First Principles of Autonomous Development
sembayui
0
3.7k
How to stabilize UI tests using XCTest
akkeylab
0
130
AIとペアプロして処理時間を97%削減した話 #pyconshizu
kashewnuts
1
240
守る「だけ」の優しいEMを抜けて、 事業とチームを両方見る視点を身につけた話
maroon8021
3
960
S3ストレージクラスの「見える」「ある」「使える」は全部違う ─ 体験から見た、仕様の深淵を覗く
ya_ma23
0
560
Windows on Ryzen and I
seosoft
0
290
Featured
See All Featured
We Analyzed 250 Million AI Search Results: Here's What I Found
joshbly
1
970
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
We Are The Robots
honzajavorek
0
200
The Hidden Cost of Media on the Web [PixelPalooza 2025]
tammyeverts
2
250
Build The Right Thing And Hit Your Dates
maggiecrowley
39
3.1k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
1
5.4k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
davidcarrasco
3
74
How to Ace a Technical Interview
jacobian
281
24k
Un-Boring Meetings
codingconduct
0
230
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
baasie
0
480
The Invisible Side of Design
smashingmag
302
51k
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!