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
690
GOTO Copenhagen 2017: Shopify’s Architecture to Handle 80K RPS Sales
Avatar for Simon Hørup Eskildsen sirupsen
0
570
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
460
CUSEC 2016: Reliable Software in a Chaotic World
Avatar for Simon Hørup Eskildsen sirupsen
5
640
EuRuKo 2015: Super-Reliable Software
Avatar for Simon Hørup Eskildsen sirupsen
12
3.1k
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
310
GOTO Chicago: Patterns for Docker Success
Avatar for Simon Hørup Eskildsen sirupsen
1
300

Other Decks in Programming

See All in Programming
型で語るカタ
Avatar for irof irof
1
840
The Niche of CDK Grant オブジェクトって何者？/the-niche-of-cdk-what-isgrant-object
Avatar for hassaku63 hassaku63
1
700
テスターからテストエンジニアへ ~新米テストエンジニアが歩んだ9ヶ月振り返り~
Avatar for のんちゃん non0113
2
240
MySQL9でベクトルカラム登場！PHP×AWSでのAI/類似検索はこう変わる
Avatar for Suguru Ohki suguruooki
1
230
CDK引数設計道場100本ノック
Avatar for kazuho cryer-shinozuka badmintoncryer
2
570
「テストは愚直&&網羅的に書くほどよい」という誤解 / Test Smarter, Not Harder
Avatar for Munetoshi Ishikawa munetoshi
1
220
코딩 에이전트 체크리스트: Claude Code ver.
Avatar for nacyot nacyot
0
990
What's new in Adaptive Android development
Avatar for Sungyong An fornewid
0
110
TypeScriptでDXを上げろ！ Hono編
Avatar for Yusuke Wada yusukebe
3
870
QA x AIエコシステム段階構築作戦
Avatar for Osu osu
0
190
商品比較サービス「マイベスト」における パーソナライズレコメンドの第一歩
Avatar for Ucchiii ucchiii43
0
200
レトロゲームから学ぶ通信技術の歴史
Avatar for kimkim0106 kimkim0106
0
130

Featured

See All Featured
A designer walks into a library…
Avatar for Paul Jervis Heath pauljervisheath
207
24k
A Modern Web Designer's Workflow
Avatar for Chris Coyier chriscoyier
695
190k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
33
2.4k
Practical Orchestrator
Avatar for Shlomi Noach shlominoach
189
11k
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
613
210k
Code Reviewing Like a Champion
Avatar for maltzj maltzj
524
40k
Navigating Team Friction
Avatar for Lara Hogan lara
187
15k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
35
2.5k
Why You Should Never Use an ORM
Avatar for John Nunemaker jnunemaker
PRO
58
9.5k
What’s in a name? Adding method to the madness
Avatar for Product Marketing Alliance productmarketing
PRO
23
3.6k
Embracing the Ebb and Flow
Avatar for Simon Collison colly
86
4.8k
Performance Is Good for Brains [We Love Speed 2024]
Avatar for Tammy Everts tammyeverts
10
990

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