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
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Masafumi Okura
September 05, 2024
Programming
2
170
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
Metaprogramming isn't real, it can't hurt you
okuramasafumi
0
74
Developing static sites with Ruby
okuramasafumi
1
370
Why doesn't Ruby have Boolean class - final version
okuramasafumi
0
370
Reading Rails 1.0 Source Code
okuramasafumi
0
340
RDoc meets YARD
okuramasafumi
4
210
Why doesn't Ruby have Boolean class?
okuramasafumi
0
41
My KaigiEffect at RubyKaigi 2025, part 1
okuramasafumi
1
92
Writing documentation can be fun with plugin system
okuramasafumi
0
240
Alba: Why, How and What's So Interesting
okuramasafumi
0
470
Other Decks in Programming
See All in Programming
AI 駆動開発ライフサイクル(AI-DLC):ソフトウェアエンジニアリングの再構築 / AI-DLC Introduction
kanamasa
12
6.5k
[KNOTS 2026登壇資料]AIで拡張‧交差する プロダクト開発のプロセス および携わるメンバーの役割
hisatake
0
250
humanlayerのブログから学ぶ、良いCLAUDE.mdの書き方
tsukamoto1783
0
180
Oxlint JS plugins
kazupon
1
530
Amazon Bedrockを活用したRAGの品質管理パイプライン構築
tosuri13
4
240
AI & Enginnering
codelynx
0
110
インターン生でもAuth0で認証基盤刷新が出来るのか
taku271
0
190
Fragmented Architectures
denyspoltorak
0
140
SourceGeneratorのススメ
htkym
0
190
責任感のあるCloudWatchアラームを設計しよう
akihisaikeda
3
160
Apache Iceberg V3 and migration to V3
tomtanaka
0
150
AI によるインシデント初動調査の自動化を行う AI インシデントコマンダーを作った話
azukiazusa1
1
680
Featured
See All Featured
The Impact of AI in SEO - AI Overviews June 2024 Edition
aleyda
5
730
Site-Speed That Sticks
csswizardry
13
1.1k
Mind Mapping
helmedeiros
PRO
0
75
Joys of Absence: A Defence of Solitary Play
codingconduct
1
290
Skip the Path - Find Your Career Trail
mkilby
0
52
WCS-LA-2024
lcolladotor
0
440
What Being in a Rock Band Can Teach Us About Real World SEO
427marketing
0
170
Evolving SEO for Evolving Search Engines
ryanjones
0
120
What's in a price? How to price your products and services
michaelherold
247
13k
Build The Right Thing And Hit Your Dates
maggiecrowley
38
3k
How GitHub (no longer) Works
holman
316
140k
The browser strikes back
jonoalderson
0
360
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!