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
Wroclove.rb - JRuby vs. Rubinius
Search
Dirkjan Bussink
March 14, 2012
Technology
130
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Wroclove.rb - JRuby vs. Rubinius
Fighting for the Rubinius side
Dirkjan Bussink
March 14, 2012
More Decks by Dirkjan Bussink
See All by Dirkjan Bussink
Managing a widely distributed team
dbussink
1
210
Time
dbussink
0
150
The tricky truth about parallel execution and modern hardware
dbussink
0
390
The future of Ruby is faster
dbussink
3
570
Security for dummies
dbussink
1
200
The myth of dynamic language performance
dbussink
3
510
Rubinius - Tales from the trenches @ Railsclub.ru 2012
dbussink
2
240
Rubinius - Tales from the trenches @ Baruco 2012
dbussink
1
290
Rubinius Eurucamp 2012 Workshop
dbussink
2
150
Other Decks in Technology
See All in Technology
『モデル + ハーネス』で読み解く AIエージェント入門
oracle4engineer
PRO
2
210
害獣害虫を自動判別! ペストコントロール支援ビジネス成功のヒント【SORACOM Discovery 2026】
soracom
PRO
0
100
QAと開発の両側から進める AI活用 -QAプロセスAI支援ツールキットと Inner Loop / Outer Loopの取り組み-
legalontechnologies
PRO
2
210
基調講演:人とAIをつなぐIoTの今と未来 ー 「フィジカル」と「デジタル」が出会うその先へ【SORACOM Discovery 2026】
soracom
PRO
0
310
Webの技術とガジェットで子どもも大人も楽しめるワクワク体験を提供する / Qiita Tech Festa Day 2026
you
PRO
1
300
AI時代におけるエンジニアの新たな役割──FDEとクオリアの探求/登壇資料(戸井田 裕貴)
hacobu
PRO
0
570
CTOキーノート:AI時代の「つなぐ」を再定義 ― 真のIoTとリアルワールドAI【SORACOM Discovery 2026】
soracom
PRO
0
280
NYC Summit 2026 におけるAmazon Bedrock AgentCore のアップデート
ren8k
0
160
探索・可視化・自動化を一本化 Amazon Quickでデータ活用スピードを上げる方法
koheiyoshikawa
0
230
インシデント事例と パッケージの全量解析に学ぶ ソフトウェアサプライチェーンの守り方 / supply-chain-attack-defense
flatt_security
0
1.2k
CloudWatchから始めるAWS監視
butadora
0
260
変更し続けられるシステムをどう保つか — AI時代のSSoTという設計原則
kawauso
1
1.4k
Featured
See All Featured
Impact Scores and Hybrid Strategies: The future of link building
tamaranovitovic
0
340
Building AI with AI
inesmontani
PRO
1
1.1k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
230
23k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1.2k
Deep Space Network (abreviated)
tonyrice
0
230
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.3k
Darren the Foodie - Storyboard
khoart
PRO
3
3.5k
Building a Scalable Design System with Sketch
lauravandoore
463
34k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
2.9k
Navigating Algorithm Shifts & AI Overviews - #SMXNext
aleyda
1
1.5k
[SF Ruby Conf 2025] Rails X
palkan
2
1.2k
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
220
Transcript
Dirkjan Bussink http://github.com/dbussink @dbussink
None
None
REMOVED
@JRubyMethod(name = {"collect", "map"}, compat = CompatVersion.RUBY1_8) public static IRubyObject
collect(ThreadContext context, IRubyObject self, final Block block) { final Ruby runtime = context.getRuntime(); final RubyArray result = runtime.newArray(); if (block.isGiven()) { callEach(runtime, context, self, block.arity(), new BlockCallback() { public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) { IRubyObject larg = checkArgs(runtime, largs); IRubyObject value = block.yield(ctx, larg); synchronized (result) { result.append(value); } return runtime.getNil(); } }); } else { callEach(runtime, context, self, Arity.ONE_ARGUMENT, new AppendBlockCallback(runtime, result)); } return result; }
def collect if block_given? ary = [] each do |*o|
ary << yield(*o) end ary else to_enum :collect end end
None
> (x . xs) = [1, 2, 3] [1, 2,
3] > x 1 > xs [2, 3]
1 patch == commit access