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
Cコンパイラを利用したRubyのJITコンパイラ / Programming Symposiu...
Search
Takashi Kokubun
January 12, 2019
Programming
3.4k
6
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Cコンパイラを利用したRubyのJITコンパイラ / Programming Symposium 60
第60回 プログラミング・シンポジウム
Takashi Kokubun
January 12, 2019
More Decks by Takashi Kokubun
See All by Takashi Kokubun
Lightning-Fast Method Calls with Ruby 4.1 ZJIT / RubyKaigi 2026
k0kubun
3
3.7k
一度始めたらやめられない開発効率向上術 / Findy あなたのdotfilesを教えて!
k0kubun
4
3.2k
ZJIT: The Ruby 4 JIT Compiler / Ruby Release 30th Anniversary Party
k0kubun
1
550
ZJIT: The Future of Ruby Performance / San Francisco Ruby Conference 2025
k0kubun
1
140
ZJIT: Building a New JIT Compiler for Ruby / REBASE 2025
k0kubun
0
150
Deoptimization: How YJIT Speeds Up Ruby by Slowing Down / RubyKaigi 2025
k0kubun
2
4.6k
YJIT Makes Rails 1.7x faster / RubyKaigi 2024
k0kubun
7
16k
Ruby JIT Hacking Guide / RubyKaigi 2023
k0kubun
2
11k
YJIT: Dive into Ruby's JIT compiler written in Rust / Rust.Tokyo 2022
k0kubun
2
2.3k
Other Decks in Programming
See All in Programming
AWS DevOps AgentのAzure接続機能を検証して見えた活用法/Use Cases Verified for the AWS DevOps Agent's Azure Connectivity Feature
masakiokuda
1
220
Japan Community Day at Kubecon + CloudNativeCon Japan 2026: Learning Container Privilege Control by Building My Own Low-Level Container Runtime
ternbusty
1
150
React本体のコードリーディング
high_g_engineer
1
140
Go 1.27 における memory allocation の高速化
andpad
0
120
「人を評価する AI」の設計と実装
ryoyanara
0
180
壊れたパーサから始める関数型設計と構成的なパーサ #fp_matsuri
raiga0310
2
450
the container ship “Apple Silicon”@WWDC26 Recap -Japan-\(region).swift
shingangan
0
110
PHP初心者セッション2026 〜生成AIでは見えない裏側を知る:今だからLAMPを通して仕組みを学ぶ〜
kashioka
0
870
Apache Hive: そしてCloud Native Lakehouseへ
okumin
1
210
霧の中の代数的エフェクト
funnyycat
1
490
AI時代のPHPer生存戦略 ~「言語、もうなんでもよくない?」に本気で向き合う~
vivion
0
300
GDG Korea Android: 2026 I/O Extended ~ What's new in Android development tools
pluu
0
220
Featured
See All Featured
Navigating Weather and Climate Data
rabernat
0
460
Context Engineering - Making Every Token Count
addyosmani
9
1k
Become a Pro
speakerdeck
PRO
31
6.2k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
62k
Facilitating Awesome Meetings
lara
57
7.1k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
The Director’s Chair: Orchestrating AI for Truly Effective Learning
tmiket
1
260
How to build an LLM SEO readiness audit: a practical framework
nmsamuel
1
850
A designer walks into a library…
pauljervisheath
211
24k
Fashionably flexible responsive web design (full day workshop)
malarkey
408
67k
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
1
6k
Build your cross-platform service in a week with App Engine
jlugia
234
19k
Transcript
CίϯύΠϥΛར༻ͨ͠ RubyͷJITίϯύΠϥ ࠃਸࢤ / Arm Treasure Data ୈ60ճ ϓϩάϥϛϯά γϯϙδϜ
ࣗݾհ • ࠃ ਸࢤ (@k0kubun) • ॴଐ: τϨδϟʔσʔλגࣜձࣾ (Arm͕ങऩ) •
Rubyίϛολʔ 3 • JITίϯύΠϥΛ։ൃ • ςϯϓϨʔτΤϯδϯͷϝϯςφ
LLRB - LLVMϕʔεͷRubyͷJIT
Ruby 2.6ͰͷJIT։ൃ
ΞδΣϯμ • RubyͷJITख๏ͷ֓ཁ • རɺܽɺ࣮ݱՄೳͳ࠷దԽྫ • ੑೳධՁ
RubyͷJITख๏ͷ֓ཁ
RubyͱJITʹ͍ͭͯ • Ruby: ಈతܕ͚ͷΦϒδΣΫτࢦεΫϦϓτݴޠ • ελοΫϕʔεͷόΠτίʔυΛ࣋ͭVirtual Machine • JITίϯύΠϧ: ࣮ߦ࣌ίϯύΠϧ
• ຊൃදͰɺRuby VMͷόΠτίʔυͷ͔ΘΓʹɺJITͰੜ ͨ͠ػցޠΛݺͼग़͢͜ͱͰ࠷దԽ͢Δతʹ͏
RubyʹJITΛಋೖ͢Δഎܠͱత എܠ: • RubyWebΞϓϦέʔγϣϯʹΑ͘ΘΕΔ త: • WebΞϓϦέʔγϣϯαʔόʔͳͲظ࣮ߦ͢Δϓϩ άϥϜͰੑೳΛ্͛ɺϢʔβʔମݧΛ্ͤͨ͞Γɺ αʔόʔΛݮΒͨ͠Γ͍ͨ͠
ຊख๏ͷ֓ཁ • ΠϯλϓϦλىಈ࣌ʹJIT༻ͷεϨουΛىಈ • Ruby 2.6ͷ࣌ͰσϑΥϧτͰͳ͍ͷͰɺཁ --jit • ϝΠϯͷεϨουͰ5ճҎ্ݺͼग़͞Εͨϝιου͕ Ωϡʔʹੵ·ΕΔ
• JIT༻ͷεϨου͕ϝιου୯ҐͰόΠτίʔυΛػցޠ ʹίϯύΠϧ
ຊख๏ͷ֓ཁ 1. όΠτίʔυΛCͷίʔυʹม + CͷϨϕϧͰ࠷దԽ 2. σΟεΫ (/tmp) ʹ .c
ͷϑΝΠϧΛॻ͖ग़͢ 3. RubyΠϯλϓϦλ͕࣮ߦ࣌ʹCίϯύΠϥϓϩηεΛىಈ 4. ੜͨ͠ .so ϑΝΠϧΛಈతϩʔυ 5. όΠτίʔυͷΘΓʹϩʔυͨؔ͠ΛݺͿΑ͏ʹมߋ
ຊख๏ͷ֓ཁ
ຊख๏ͷ֓ཁ
None
RubyͷJITख๏ͷར
ར 1: ΞηϯϒϦίʔυੜ͔Βͷ։์ • ؆୯: ςϯϓϨʔτΤϯδϯͰಈతͳCίʔυੜ • VMΛ࣮͢Δ͚ͩͰσϑΥϧτͷJIT࣮ΛࣗಈੜͰ͖Δ • ϙʔλϒϧ:
ΠϯλϓϦλ͕ϏϧυͰ͖ΔڥͰ͑Δͣ • Cͷ༷͕มΘΒͳ͍ͷͰLLVMͷΑ͏ʹඇޓʹৼΓճ͞Εͳ͍
ར 2: σόοΨΛͬͨղੳίετͷԼ • gdbͰσόοά͢ΔࡍɺVMͷ࣮ͱಉ͡C͚ͩΛݟΔ͜ ͱʹͳΔ • ίʔυੜ͕ࣗલͳΒɺσόοάใೖΕΔͷࣗલʹͳ Γେมͦ͏
ར 3: ϨΠϠʔͷ࠷దԽͷ CίϯύΠϥͷҠৡ • ༷ʑͳ࠷దԽςΫχοΫΛ࠶ൃ໌͢ΔϦιʔεͳ͍ • ੜίʔυ͔ΒVMͷؔΛ༰қʹΠϯϥΠϯԽՄೳ
ར 4: ෳͷίϯύΠϥج൫͕׆༻Մೳ • GCCͱClang/LLVMͷ྆ํ͕ར༻ՄೳͰɺVisual Studioʹ ରԠ • Ζ͏ͱࢥ͑LLVM PassΛࣗ࡞ͯ͠
opt(1) ͔Β͑Δ ͔͠Εͳ͍
RubyͷJITख๏ͷܽ
ܽ 1: ຊख๏ͷϩʔυํ๏ʹΑΔ Φʔόʔϔου • dlopen ͢Δͱ֤ϝιου(.soϑΝΠϧ)͕3ͭͷϖʔδʹׂ ͞Εͯϩʔυ͞ΕɺΩϟογϡʹѱӨڹ • ͳͷͰɺޙͰෳͷϝιουΛ·ͱΊͯ࠶ίϯύΠϧ͍ͯ͠
Δ͕ɺ໘
ܽ 1: ຊख๏ͷϩʔυํ๏ʹΑΔ Φʔόʔϔου ৄࡉ: http://shinh.hatenablog.com/entry/2018/06/10/235314
ܽ 1: ຊख๏ͷϩʔυํ๏ʹΑΔ Φʔόʔϔου https://github.com/ruby/ruby/pull/1921
ܽ 2: ࣮ߦ࣌ґଘͷෳࡶԽ - CίϯύΠϥ • ͜Ε·ͰɺCίϯύΠϥΠϯλϓϦλ͔Β࣮ߦՄೳͳඞ ཁͳ͔ͬͨ • ϓϦίϯύΠϧυϔομCίϯύΠϥͷόʔδϣϯʹґ
ଘ͢ΔͷͰɺຖճίϯύΠϧ
ܽ 3: ίϯύΠϥ͝ͱͷࠩҟͷରԠ • CίϯύΠϥ͝ͱʹҟͳΔΦϓγϣϯʹରԠ͢Δඞཁ͕͋Δ • جຊతʹΠϯλϓϦλͷϏϧυͱಉ͡CFLAGS͕ඞਢͩ ͕ɺҰ෦ٯʹΒͳ͍ͱಈ͔ͳ͍ • GCCʹউखͳύον͕ͨͬͯΔOSͷσΟετϦϏϡʔ
γϣϯ͋Δ • Visual StudioϓϦϓϩηε͚ͩͯ͠ग़ྗ͕Ͱ͖ͣશ͘ผͷ ϏϧυγεςϜ
ܽ 4: ϓϩηεཧ෦ͷ อकίετͷ૿େ • Ruby͕ىಈͨ͠ࢠϓϩηεΛશͯwait͢Δϝιου͕͋ Δ͕ɺવJIT༻GCCͪͨ͘ͳ͍ • ͳͷͰɺϩοΫΛऔΓͭͭpidͷϦετΛཧ͢Δ •
ϚϧνεϨου + Ϛϧνϓϩηε + γάφϧϋϯυϥ = ແݶͷrace condition • JITεϨουGVLͳ͠ɺϝΠϯͷεϨουJITεϨο υfork͠·͘ΓɺSIGCHLDདྷ·͘Γ
ܽ 5: ηΩϡϦςΟ্ͷݒ೦ • CίϯύΠϥϔομɺϥΠϒϥϦ͕ࠩ͠ସ͑ΒΕΔͱࠔΔ • CίϯύΠϥϏϧυ࣌ͱશ͘ಉ͡ϑϧύεΛ͏ • /tmp ʹݩ͔ΒϑΝΠϧ͕͋Δ߹͘
• Έ্Ͳ͏͠Α͏ͳ͍ͷׂΓΔ • Ϣʔβʔ͕GCCΛࣗ༝ʹ࣮ߦͰ͖ΔΑ͏ͳϓϩάϥϜͦΕࣗମ͕੬ऑ • GCCϔομɺੜίʔυ͕ࠩ͠ସ͑ΒΕΔύʔϛογϣϯΛऔΒΕͯෛ͚
RubyͷJITख๏Ͱ ࣮ݱՄೳͳ࠷దԽྫ
࠷దԽ 1: ελοΫϙΠϯλɺ ϓϩάϥϜΧϯλͷҠಈݮ • ελοΫϕʔεͷVM͕͏ελοΫϙΠϯλͷૢ࡞͕ෆཁ • ྫ֎ͰେҬग़ͯ͠ελοΫͤͳ͍ͱ͍͚ͳ͍ͷ Ͱɺྫ֎Λcatch͠ͳ͍ϝιουʹݶΔ •
όΠτίʔυͷσΟεύονʹ͏ϓϩάϥϜΧϯλͷ ૢ࡞͕ෆཁ • ߦ൪߸ΛऔΔϝιουݺͼग़͠ͷखલͰͲ͏ʹ͔෮׆ ͤ͞Δඞཁ͕͋Δ
࠷దԽ 2: ΠϯϥΠϯԽΛར༻ͨ͠ ίϯύΠϥʹΑΔ࠷దԽ • ݱࡏओʹόΠτίʔυ໋ྩͷ࣮͕ੜίʔυ͔ΒΠ ϯϥΠϯԽՄೳ • ϦςϥϧͷͱόΠτίʔυ໋ྩͷ࣮ΛΠϯϥΠϯ Խ͢Δ͚ͩͰɺ1
+ 2 ʹର͠ 3 ΛੜͰ͖Δ • CͷίϯύΠϥؔαΠζ͕େ͖͍ͱΠϯϥΠϯԽ͠ ͳ͘ͳΔͷͰɺ໌ࣔతͳΠϯϥΠϯԽࢦఆ͕ඞཁͳ͜ ͱ
࠷దԽ 2: ΠϯϥΠϯԽΛར༻ͨ͠ ίϯύΠϥʹΑΔ࠷దԽ ࣮ݧஈ֊ͷͷ: • RubyͰهड़͞ΕͨϝιουΠϯϥΠϯԽ͕؆୯ͳ͜ͱ Θ͔͍ͬͯΔ • શͯΛΠϯϥΠϯԽ͢ΔͱίϯύΠϧ͕࣌ؒ৳ͼΔͷͰɺ
Ͳ͜·ͰίϯύΠϧ͢Δ͔ݕ౼த • ϧʔϓͷΠϯϥΠϯԽ͕Ͱ͖Δͱޮ͕͘ɺϧʔϓ༻ϝιο υCͰ࣮͞Ε͓ͯΓɺগ࣮͕͠େม
࠷దԽ 3: ࣮ߦ࣌ͷใʹґଘͨ͠ ίʔυੜ • Կ͔ݺͼग़͠ࡁͷϝιουʹରͯ͠JITΛߦͳ͏ͷͰɺ JITίϯύΠϧ࣌ʹ࣮ߦ࣌ͷܕใ͕खʹೖΔ • ྫ: ϝιουݺͼग़͠ͷ໋ྩʹɺϝιουΩϟογϡ
ʹϨγʔόͷΫϥεใ͕͋Δɺ • ͦͷܕʹಛԽͯ͠ແବͳذΛআڈͨ͠ΓɺؒࢀরΛΠ ϯϥΠϯԽ͢ΔͳͲ͢ΔͱߴʹͳΔ
ੑೳධՁ
ϚΠΫϩϕϯνϚʔΫ: Ruby 2.6.0 w/ https://github.com/benchmark-driver/mjit-benchmarks JIT off ͱൺֱͨ͠ൺ 0
2 4 5 7 aread aref aset aw rte call const2 const fannk fib ivread ivw rite m andelbrot m eteor nbody nest-ntim es nest-w rite norm nsvb red-black sieve trees w hile 6.6 1.2 1.7 1.1 1.0 1.4 2.4 1.3 1.2 1.0 1.3 4.6 3.6 2.8 1.0 5.5 5.5 0.9 2.6 2.7 4.6 2.8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 JIT off JIT on Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
ϚΠΫϩϕϯνϚʔΫ: ϝϞϦ Ruby 2.6.0 w/ https://github.com/benchmark-driver/mjit-benchmarks Max Resident Set Size
(MB) 0 13 25 38 50 aread aref aset aw rte call const2 const fannk fib ivread ivw rite m andelbrot m eteor nest-ntim es nest-w hile norm nsvb w hile 38.2 43.7 38.3 42.1 38.3 44.2 45.1 38.3 38.2 38.3 38.3 38.3 38.2 38.3 38.3 38.3 38.3 38.3 14.4 14.5 14.9 14.2 14.4 15.3 14.2 14.3 14.4 14.3 15.0 14.2 14.2 14.8 14.2 14.3 14.3 14.4 JIT off JIT on Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
ϚΠΫϩϕϯνϚʔΫ: ϝϞϦ Ruby 2.6.0 w/ https://github.com/benchmark-driver/mjit-benchmarks Max Resident Set Size
(MB) 0 100 200 300 400 red-black sieve trees 89.4 193.9 299.4 89.4 193.5 301.7 JIT off JIT on Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
ΞϓϦέʔγϣϯੑೳ 1: Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
Ruby 2.6.0 w/ NESΤϛϡϨʔλ Optcarrot Frames Per Second 0 23 45 68 90 86.6 53.8 JIT off JIT on
ΞϓϦέʔγϣϯੑೳ 1: ϝϞϦ Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
Ruby 2.6.0 w/ NESΤϛϡϨʔλ Optcarrot Max Resident Set Size (MB) 0 16 32 48 64 63.7 62.8 JIT off JIT on
ΞϓϦέʔγϣϯੑೳ 2: Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
Ruby 2.6.0 w/ https://github.com/benchmark-driver/sinatra Request Per Second 0 2,125 4,250 6,375 8,500 7,466.5 8,442.1 JIT off JIT on
ΞϓϦέʔγϣϯੑೳ 2: ϝϞϦ Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu
Ruby 2.6.0 w/ https://github.com/benchmark-driver/sinatra Max Resident Set Size (MB) 0 18 35 53 70 64.4 23.7 JIT off JIT on
ੑೳิ Intel 4.0GHz i7-4790K 8ίΞ, ϝϞϦ16GB, x86-64 Ubuntu ʹ͓͍ͯɺ •
1ճͷJITίϯύΠϧʹ͔͔Δ࣌ؒ 60ʙ250 ms ఔ • JIT༗ޮʹ͢Δͱɺ࣮ࡍʹJIT͍ͯ͠ͳͯ͘ϐʔΫ࣌ϝϞϦফඅྔ ͕24ʙ28MBఔ૿͑Δ͕ɺϝιου1ͭ8KBͱ͔ͳͷͰޡࠩ • 24ʙ28MB෦ະௐࠪ: pthread, mutex, ϑϥάͷจࣈྻ, ...? • GCCͷϝϞϦফඅ: 4.6MBఔ, ClangͷϝϞϦফඅ: 24.1MBఔ • /tmp ͷফඅ1ϝιου͋ͨΓ࠷ .c 12KBɺ.o 4KBɺ.so 8KB
ࠓޙͷల WebΞϓϦέʔγϣϯʹ͓͚Δੑೳ্ʹϑΥʔΧε: • ࡉ͔͘ίϯύΠϧ͢ΔͱVMىಈճ͕૿͑ΔͷͰɺେ͖͘ ΠϯϥΠϯԽͯ͠·ͱΊͯίϯύΠϧ • খ͞ͳϝιουcaller͔ΒίϯύΠϧͯ͠ΠϯϥΠϯԽ • ͘Ͱ͖ͳͦ͞͏ͳϝιουίϯύΠϧ͠ͳ͍ɺ࠷దԽ ରͷબઓུΛվળ͢Δ
·ͱΊ • CίϯύΠϥΛͬͨJITख๏ͷτϨʔυΦϑΛઆ໌ͨ͠ • ίϯύΠϥࣗମͷϝϯςφϯε؆୯ʹͳΔ • ͦΕΛࢧ͑Δج൫ͷอक࣮ߦ࣌ͷڍಈෳࡶԽ͢Δ • Ruby 2.6JITʹΑΓCPUܭࢉத৺ͷ༻్Ͱ1.6ഒߴԽͨ͠
• খ͞ͳϝιου͕ͨ͘͞Μ͋Δ߹ͷੑೳվળத