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
Creating gems 101
Search
Masafumi Okura
September 05, 2024
Programming
200
2
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Creating gems 101
Gem作成に関するトークです。
https://omotesandorb.connpass.com/event/328438/
Masafumi Okura
September 05, 2024
More Decks by Masafumi Okura
See All by Masafumi Okura
Ruby for complete beginners
okuramasafumi
0
51
Conference as a communication hub for all of us
okuramasafumi
0
87
Metaprogramming isn't real, it can't hurt you
okuramasafumi
0
180
Developing static sites with Ruby
okuramasafumi
1
470
Why doesn't Ruby have Boolean class - final version
okuramasafumi
0
430
Reading Rails 1.0 Source Code
okuramasafumi
0
390
RDoc meets YARD
okuramasafumi
4
290
Why doesn't Ruby have Boolean class?
okuramasafumi
0
78
My KaigiEffect at RubyKaigi 2025, part 1
okuramasafumi
1
120
Other Decks in Programming
See All in Programming
Loosening the Reins: Go Generics Get More Flexible
kuro_kurorrr
0
360
AIを上手に使っていこうとしたら越境せざるを得なくなった話 〜実践1年で見えた境界を越えなければならない理由と進め方〜 / Crossing borders with AI
tomoyakitaura
2
940
go-spidermonkeyでAIエージェントのCode Modeを実装する
syumai
3
1.5k
Flow は今どうなっているか
mizdra
PRO
0
830
高専キャリア LT 発表内容
crysta1221
6
5.4k
AIエージェント時代のコードレビューを設計する
nogu66
5
2k
Can LLMs Replicate 4 Years of Compose Migration? Exploring the boundaries of automation with 279 XML files from a real product
makun
0
120
承認済みなのに差戻しできてしまうバグ、型で潰せます
shinchit
0
130
Webエンジニアなのにブラウザの仕組みがわからないので、Pythonで自作してみた
tatsuki12
4
1.6k
「つくるAI」だけではバグは見つからない ~テストに必要な「見つけるAI」を分離させる戦略~
mfunaki
0
220
Gmail/Google DriveをトリガーにAIエージェントを動かそう! / Run AI agents with Gmail/Google Drive as triggers!
har1101
3
460
楽しそうなつよつよエンジニアと目が死んでる僕/A brilliant engineer having a blast, and dead-eyed me.
3l4l5
2
270
Featured
See All Featured
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
250
How to Align SEO within the Product Triangle To Get Buy-In & Support - #RIMC
aleyda
2
1.8k
What's in a price? How to price your products and services
michaelherold
247
13k
Designing Experiences People Love
moore
143
24k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
32
3k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
chikuwait
0
760
Bash Introduction
62gerente
615
220k
Heart Work Chapter 1 - Part 1
lfama
PRO
8
36k
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
260
Navigating Team Friction
lara
192
16k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.8k
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
510
Transcript
Creating gems 101 Omotesando.rb #101 OKURA Masafumi, 2024-09-05
101ճ։࠵ ͓ΊͰͱ͏ ͍͟͝·͢ʂʂʂ
101
ೖ
ೖgem࡞ Omotesando.rb #101 OKURA Masafumi, 2024-09-05
Dev.introduce(self) • ໊લɿ͓͓͘Β·͞;Έ • ॴଐɿϑϦʔϥϯε • ׆ಈɿKaigi on RailsνʔϑΦʔΨφΠβʔɺAlba gem࡞ऀɺOH!
MY RUBYISTSϙουΩϟετϝΠϯύʔιφϦςΟɺͳͲͳͲ • ࠓͷొஃͷഎܠɿFeikuͱ͍͏৽͍͠gemΛ࡞ͬͨͷͰɺͦͷྲྀΕ ʹ͍ͭͯ͝հ
None
gemΛ࡞Δͱ͖ʹ ·ͣߟ͑Δ͜ͱ
gemΛ࡞Δͱ͖ʹ·ͣߟ͑Δ͜ͱ • ཧ༝ • ΠϯλʔϑΣʔε • ໊લ
લఏ
Feiku https://github.com/okuramasafumi/feiku
Faker Έ͍ͨͳͭ
ཧ༝
ͳͥͦΕ͕ ΄͍͠ͷ͔
طଘͷͷͰ μϝͳͷ͔
Feikuͷ߹
???ɿ ʮFakerͷίʔυͬ ͯΞϨͰ͢ΑͶ͑ʯ
FakerͷίʔυΛ ݟͨࣗɿ ʮ…ʯ
FakerͷύϑΥʔ ϚϯεΛଌఆ
Comparison: feiku: 11239359.0 i/s ffaker: 1296337.9 i/s - 8.67x slower
faker: 10084.1 i/s - 1114.57x slower
1000ഒʂʁ
Comparison: feiku: 0 allocated ffaker: 637748 allocated - Infx more
faker: 98919397 allocated - Infx more
100MB!?
Faker::Name.name ͢Δ͚ͩͰʁ
ڥʹѱ͍ʂ
ஔ͖͑Α͏ʂ
ࣗͷΛ ࣗͰ͢
͕ࣗ΄͍͠ͷ Λ࡞Δ
ΠϯλʔϑΣʔε
Feikuͷ߹
Fakerʹ߹ΘͤΔ
͘ΘΕ͍ͯΔ ΠϯλʔϑΣʔε ʹ߹ΘͤΔ
ਓ৽͍͍͠ํ Λ֮͑ͨ͘ͳ͍
໊લ
໊લॏཁʂʂʂ
Feikuͷ߹
ॳͷҊɿ “Realer”
Fakerͷٯ
ࢥ͍͢ ʮ͕͢͞ʹฆΒΘ ͍͠ͳ͋ʯ
ࠔͬͨͱ͖ͷ ϩʔϚࣈදه
͓·͚ɿ Albaͷ߹
ίϯηϓτ ʮߴʯ
͍ͷ
͍ੜ͖
ࢲɿ ʮΞϗυϦͬͯ ࣌100kmͳͷʂʯ
ࢲɿ ʮ໊͔͠લ͕ Ξϗ͍͍ͬͯͶʯ
ΞϗυϦ
Albatross
Alba
FeikuͱAlbaͷ ڞ௨
͍ ൃԻ༰қ ͍֮͑͢
·ͱΊ
Creating gems 101 • ཧ༝ • ύϑΥʔϚϯεͳͲɺࣗͷΛࣗͰ͢ • ΠϯλʔϑΣʔε •
͢Ͱʹ͘ΘΕ͍ͯΔͷʹ߹ΘͤΔ • ໊લ • ͘ɺൃԻ͕༰қͰ໊͍֮͑͢લʹ͢Δ
Happy hacking!