Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Ruby Garbage Collection

Avatar for Simon Hørup Eskildsen Simon Hørup Eskildsen
May 06, 2013
Programming
1
180

Ruby Garbage Collection

Avatar for Simon Hørup Eskildsen

Simon Hørup Eskildsen

May 06, 2013
Tweet

More Decks by Simon Hørup Eskildsen

See All by Simon Hørup Eskildsen
Advanced Napkin Math: Estimating System's Performance from First Principles
Avatar for Simon Hørup Eskildsen sirupsen
3
710
GOTO Copenhagen 2017: Shopify’s Architecture to Handle 80K RPS Sales
Avatar for Simon Hørup Eskildsen sirupsen
0
620
RailsConf 2016: 5 Years of Scaling Rails to 80K RPS
Avatar for Simon Hørup Eskildsen sirupsen
3
1.1k
Full Stack Fest 2016: Shopify in Multiple Datacenters
Avatar for Simon Hørup Eskildsen sirupsen
6
470
CUSEC 2016: Reliable Software in a Chaotic World
Avatar for Simon Hørup Eskildsen sirupsen
5
660
EuRuKo 2015: Super-Reliable Software
Avatar for Simon Hørup Eskildsen sirupsen
12
3.4k
DockerCon 2015: Resilient Routing and Discovery
Avatar for Simon Hørup Eskildsen sirupsen
22
6.6k
Goruco 2015: Building and Testing Resilient Applications
Avatar for Simon Hørup Eskildsen sirupsen
2
330
GOTO Chicago: Patterns for Docker Success
Avatar for Simon Hørup Eskildsen sirupsen
1
330

Other Decks in Programming

See All in Programming
開発者から情シスまで - 多様なユーザー層に届けるAPI提供戦略 / Postman API Night Okinawa 2026 Winter
Avatar for tasshi tasshi
0
200
OSSとなったswift-buildで Xcodeのビルドを差し替えられるため 自分でXcodeを直せる時代になっている ダイアモンド問題編
Avatar for yimajo yimajo
3
610
dchart: charts from deck markup
Avatar for Anthony Starks ajstarks
3
990
生成AIを使ったコードレビューで定性的に品質カバー
Avatar for Chiaki Okamoto chiilog
1
260
2026年 エンジニアリング自己学習法
Avatar for yumechi(Motoki Hirao) yumechi
0
130
カスタマーサクセス業務を変革したヘルススコアの実現と学び
Avatar for Tomoyuki Hamaguchi _hummer0724
0
680
AI Schema Enrichment for your Oracle AI Database
Avatar for thatjeffsmith thatjeffsmith
0
260
AWS re:Invent 2025参加 直前 Seattle-Tacoma Airport(SEA)におけるハードウェア紛失インシデントLT
Avatar for tetutetu214 tetutetu214
2
110
Patterns of Patterns
Avatar for Denys Poltorak denyspoltorak
0
1.4k
Apache Iceberg V3 and migration to V3
Avatar for Tomohiro Tanaka tomtanaka
0
160
フルサイクルエンジニアリングをAI Agentで全自動化したい 〜構想と現在地〜
Avatar for Kaito Minatoya kamina_zzz
0
400
AI巻き込み型コードレビューのススメ
Avatar for Nealle nealle
1
150

Featured

See All Featured
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.2k
Into the Great Unknown - MozCon
Avatar for Noah Learner thekraken
40
2.3k
Designing for Timeless Needs
Avatar for Cassini Nazir cassininazir
0
130
Applied NLP in the Age of Generative AI
Avatar for Ines Montani inesmontani
PRO
4
2k
Optimising Largest Contentful Paint
Avatar for Harry Roberts csswizardry
37
3.6k
Unlocking the hidden potential of vector embeddings in international SEO
Avatar for Frank van Dijk frankvandijk
0
170
Public Speaking Without Barfing On Your Shoes - THAT 2023
Avatar for David Neal reverentgeek
1
300
Embracing the Ebb and Flow
Avatar for Simon Collison colly
88
5k
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
791
250k
Navigating Weather and Climate Data
Avatar for Ryan Abernathey rabernat
0
100
Digital Projects Gone Horribly Wrong (And the UX Pros Who Still Save the Day) - Dean Schuster
Avatar for UX Y'all uxyall
0
320
<Decoding/> the Language of Devs - We Love SEO 2024
Avatar for Nikki Halliwell nikkihalliwell
1
130

Transcript

  1. Ruby Garbage Collection Simon Hørup Eskildsen @Sirupsen

  2. None

  3. Mark and Sweep (< 1.9) Lazy Sweeping (>= 1.9) Lazy

    Bitmask Sweeping (2.0) Geneartional GC (2.1?) Concurrent GC (??)

  4. Mark and Sweep

  5. None
  6. None

  7. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE

  8. None
  9. None

  10. Root objects Freeable

  11. None

  12. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE

  13. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE

  14. None

  15. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE

    Free List

  16. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE

    Free List

  17. RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE Free

    List

  18. RVALUE RCLASS RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE RVALUE Free

    List

  19. The Copy-on-Write Problem

  20. None
  21. None

  22. Process #2 Process #1

  23. Process #2 Process #1

  24. None
  25. None

  26. Process #2 Process #1 ? ? ? ? ? ?

    ?
  27. None

  28. Process #2 Process #1

  29. Ruby 2.0

  30. 0 0 1 0 0 1 1

  31. None

  32. Process #2 Process #1 bar foo

  33. CoW problem fixed: => Less memory => Faster

  34. Geneartional GC Ruby 2.1?

  35. Root objects Freeable M&S Freeable

  36. Old Root objects Freeable Old M&S Freeable

  37. Prospects of a Concurrent GC