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

Ruby Garbage Collection

Simon Hørup Eskildsen
May 06, 2013
Programming
1
170

Ruby Garbage Collection

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
sirupsen
3
670
GOTO Copenhagen 2017: Shopify’s Architecture to Handle 80K RPS Sales
sirupsen
0
520
RailsConf 2016: 5 Years of Scaling Rails to 80K RPS
sirupsen
3
1.1k
Full Stack Fest 2016: Shopify in Multiple Datacenters
sirupsen
6
440
CUSEC 2016: Reliable Software in a Chaotic World
sirupsen
5
620
EuRuKo 2015: Super-Reliable Software
sirupsen
12
2.9k
DockerCon 2015: Resilient Routing and Discovery
sirupsen
22
6.5k
Goruco 2015: Building and Testing Resilient Applications
sirupsen
2
290
GOTO Chicago: Patterns for Docker Success
sirupsen
1
290

Other Decks in Programming

See All in Programming
KubeCon + CloudNativeCon NA 2024 Overview at Kubernetes Meetup Tokyo #68 / amsy810_k8sjp68
masayaaoyama
0
260
tidymodelsによるtidyな生存時間解析 / Japan.R2024
dropout009
1
800
Effective Signals in Angular 19+: Rules and Helpers @ngbe2024
manfredsteyer
PRO
0
140
どうして手を動かすよりもチーム内のコードレビューを優先するべきなのか
okashoi
3
220
create_tableをしただけなのに〜囚われのuuid編〜
daisukeshinoku
0
270
useSyncExternalStoreを使いまくる
ssssota
6
1.2k
KMP와 kotlinx.rpc로 서버와 클라이언트 동기화
kwakeuijin
0
160
良いユニットテストを書こう
mototakatsu
8
2.9k
103 Early Hints
sugi_0000
1
240
数十万行のプロジェクトを Scala 2から3に完全移行した
xuwei_k
0
280
Асинхронность неизбежна: как мы проектировали сервис уведомлений
lamodatech
0
850
【re:Growth 2024】 Aurora DSQL をちゃんと話します！
maroon1st
0
780

Featured

See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
2
290
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
6
520
A better future with KSS
kneath
238
17k
Scaling GitHub
holman
458
140k
Building Flexible Design Systems
yeseniaperezcruz
327
38k
Large-scale JavaScript Application Architecture
addyosmani
510
110k
GraphQLの誤解/rethinking-graphql
sonatard
67
10k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
5
450
Building Adaptive Systems
keathley
38
2.3k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5.1k
How GitHub (no longer) Works
holman
311
140k
Unsuck your backbone
ammeep
669
57k

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