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
2
160
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
Tweet
Share
More Decks by Masafumi Okura
See All by Masafumi Okura
Why doesn't Ruby have Boolean class - final version
okuramasafumi
0
230
Reading Rails 1.0 Source Code
okuramasafumi
0
250
RDoc meets YARD
okuramasafumi
4
170
Why doesn't Ruby have Boolean class?
okuramasafumi
0
20
My KaigiEffect at RubyKaigi 2025, part 1
okuramasafumi
1
52
Writing documentation can be fun with plugin system
okuramasafumi
0
210
Alba: Why, How and What's So Interesting
okuramasafumi
0
400
Why did my proposals get rejected?
okuramasafumi
1
730
A suggestion for the future of RDoc
okuramasafumi
1
410
Other Decks in Programming
See All in Programming
AI Agents: How Do They Work and How to Build Them @ Shift 2025
slobodan
0
110
そのAPI、誰のため? Androidライブラリ設計における利用者目線の実践テクニック
mkeeda
2
2.8k
テストカバレッジ100%を10年続けて得られた学びと品質
mottyzzz
2
610
Ruby×iOSアプリ開発 ~共に歩んだエコシステムの物語~
temoki
0
350
請來的 AI Agent 同事們在寫程式時,怎麼用 pytest 去除各種幻想與盲點
keitheis
0
130
AWS発のAIエディタKiroを使ってみた
iriikeita
1
190
2025 年のコーディングエージェントの現在地とエンジニアの仕事の変化について
azukiazusa1
24
12k
私の後悔をAWS DMSで解決した話
hiramax
4
210
The Past, Present, and Future of Enterprise Java with ASF in the Middle
ivargrimstad
0
180
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
22
5.9k
アプリの "かわいい" を支えるアニメーションツールRiveについて
uetyo
0
280
Namespace and Its Future
tagomoris
6
710
Featured
See All Featured
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.7k
Java REST API Framework Comparison - PWX 2021
mraible
33
8.8k
A Modern Web Designer's Workflow
chriscoyier
696
190k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
44
2.5k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.6k
The Pragmatic Product Professional
lauravandoore
36
6.9k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
113
20k
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!