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
cpm at okinawa
Search
Shoichi Kaji
August 27, 2016
Programming
0
140
cpm at okinawa
2016.08.27 okinawa.pm
Shoichi Kaji
August 27, 2016
Tweet
Share
More Decks by Shoichi Kaji
See All by Shoichi Kaji
Parallel::Pipesの紹介
skaji
2
990
宿泊予約サイトにおける検索と料金計算の両立
skaji
2
4k
昔のGo, 今のGo ~比較, ソート編~
skaji
0
250
Perl Quiz
skaji
0
150
cpm at PerlCon 2019
skaji
0
120
Perl5 Package Manager
skaji
0
740
Internal of cpm
skaji
0
630
How to execute external programs in Perl
skaji
3
690
Writing Perl with w0rp/ale
skaji
0
2.3k
Other Decks in Programming
See All in Programming
AIと人間の共創開発!OSSで試行錯誤した開発スタイル
mae616
1
400
組込みだけじゃない!TinyGo で始める無料クラウド開発入門
otakakot
0
270
What Spring Developers Should Know About Jakarta EE
ivargrimstad
0
130
Building, Deploying, and Monitoring Ruby Web Applications with Falcon (Kaigi on Rails 2025)
ioquatix
4
2.2k
あなたとKaigi on Rails / Kaigi on Rails + You
shimoju
0
160
理論と実務のギャップを超える
eycjur
0
140
CSC305 Lecture 08
javiergs
PRO
0
200
monorepo の Go テストをはやくした〜い!~最小の依存解決への道のり~ / faster-testing-of-monorepos
convto
2
500
Foundation Modelsを実装日本語学習アプリを作ってみた!
hypebeans
0
110
いま中途半端なSwift 6対応をするより、Default ActorやApproachable Concurrencyを有効にしてからでいいんじゃない?
yimajo
2
430
XP, Testing and ninja testing ZOZ5
m_seki
3
670
ALL CODE BASE ARE BELONG TO STUDY
uzulla
25
5.9k
Featured
See All Featured
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
359
30k
Reflections from 52 weeks, 52 projects
jeffersonlam
353
21k
Statistics for Hackers
jakevdp
799
220k
Why Our Code Smells
bkeepers
PRO
340
57k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
230
22k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4k
Producing Creativity
orderedlist
PRO
347
40k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
189
55k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Keith and Marios Guide to Fast Websites
keithpitt
411
23k
The Art of Programming - Codeland 2020
erikaheidi
56
14k
BBQ
matthewcrist
89
9.8k
Transcript
cpm Shoichi Kaji
About me • Shoichi Kaji • Born in 1984 •
Born in Kanagawa, live in Tokyo • Work for Yahoo JAPAN • pause/github: skaji • perl5: cpm, Mojo::SlackRTM • perl6: mi6, frinfon
cpm fast CPAN module installer
None
None
cpm is 3x faster than cpanm
ࠓ͍ͨ͜͠ͱ • ͳͥcpmΛͭ͘Ζ͏ͱࢥ͔ͬͨ • ͞Λ࣮ݱ͢ΔͨΊͷ࣮Ҋ • CPAN moduleΠϯετʔϧฒྻԽԿ͕໘͔ • ͦͷ໘͞Λ͍͔ʹγϯϓϧʹଊ͔͑ͨ
• ࣮ͷΩʔϙΠϯτ • ݱঢ়ͷ࣮ • ࠓޙ
ͳͥcpmΛͭ͘Ζ͏ͱࢥ͔ͬͨ • CPAN moduleΛ͍͍ͭͬͯͨ (ͪΖΜࠓ) • ͬͱ͘ΠϯετʔϧͰ͖Εͳɺͱ͍ͭࢥͬ ͍ͯͨ • CPAN
moduleΠϯετʔϧ͋ΔछϒϥοΫϘο Ϋεͱͳ͍ͬͯͯखΛग़͢ਓඇৗʹݶΒΕ͍ͯͨ • ͷࢼ͠ɺͬͯΈΑ͏
ͳͥcpmΛͭ͘Ζ͏ͱࢥ͔ͬͨ • ͍ͨ͘͠ͱ͍͏ࢥ͍͕CPAN clientʹ࣮ࡍʹखΛग़ ͖͔͚ͬ͢Ͱ͋Δ͜ͱؒҧ͍ͳ͍͕ɺͦΕҎ֎ʹ • CPANʹ·ͭΘΔऔΓܾΊΛͬͱγϯϓϧʹͰ͖ ͳ͍͔ɻͦ͏ͳΕɺࣗΛؚΊͯΈΜͳͬͱ؆ ୯ʹCPANΛhackͰ͖ΔΑ͏ʹͳΓָͦ͠͏ •
ͱ͍͏ࢥ͍͕͋ͬͨɻͦͷ࣮ྫͱͳΔΛ͔ͨͬ͠ ͨɻ
͞Λ࣮ݱ͢ΔͨΊͷ࣮Ҋ • cpanm"ྻ"ʹCPAN moduleΛΠϯετʔϧ͍ͯͨ͘͠Ί ͋·Γ͘ͳ͍ɻͲ͏͢Δ͔ɻ(perl5Ͱ"͞"ΛٻΊΔͱ͢Ε event driven or fork(2)ͱ͍͏͜ͱʹͳΔɻ) •
(Ҋ1) event driven Ͱ͖ΔݶΓcpanmͷίʔυΛ࠶ར༻͔ͨͬͨ͠ɻevent drivenͷίʔυͷதͰcpanmΛ͏ͷͪΐͬͱແཧɻ • (Ҋ2) forkΛ͏ ·͋ͪ͜ΒͰɻ
CPAN moduleฒྻԽ Կ͕໘͔ • ࣄલʹͯ͢ͷtask͕ܾ·͍ͬͯͳ͍ɻ ྫ͑ PlackΛΠϯετʔϧ͠Α͏ͱ͢Δͱ͖ • ࠷ॳ"PlackΠϯετʔϧ"ͱ͍͏task͚͕ͩͩ •
ͦΕͷmetadataΛfetchͨ͠ஈ֊ͰॳΊͯ File::ShareDir::InstallͷΠϯετʔϧඞཁͩͱൃ֮͢Δɻ • ͞ΒʹFSDIͷmetadataΛfetch͢ΔͱModule::Build::Tiny ඞཁͩͱൃ֮͢Δɻblah blah blah…
ͦͷ໘͞Λ͍͔ʹ γϯϓϧʹଊ͔͑ͨ • (1) "CPAN moduleΠϯετʔϧ"Λɺ ಠཱͰ࣮ߦՄೳͳࡉ͔͍taskʹ͚Δɻ(ࠓճ ͜ͷઆ໌লུ) • (2)
ͦͷtaskΛworkerʹৼΓɺ݁ՌΛऩूͯ͠ɺ ͞Βʹ৽ͨͳtask͕ੜ·ΕΕɺ࠶ͼworkerʹ ৼΔɻ͜ΕΛtask͕ͳ͘ͳΔ·Ͱ܁Γฦ͢ɻ
(2)ͷ࣮ΩʔϙΠϯτ • (point1) workerʹtaskΛৼΔɺͦͯͦ͠ͷ݁Ռ Λऩू͢ΔͨΊʹɺԿ͔͠ΒͷIPC͕ඞཁ • (point2) ৽ͨͳtask͕ੜ·Εͨͱ͖ɺfinished/ readyͳworkerΛૉૣ͘ݕͦ͠ͷworkerʹ taskΛৼΔΈ͕ඞཁ
ૉૣ͘ͱ͍͏ͱ͜Ζ͕ॏཁͰɺ͜Ε͕͍ͱ༡Μ Ͱ͍Δ͕࣌ؒ૿͑ͯશ͘͞ʹͭͳ͕Βͳ͍
• ͡ΊIPCͱͯ͠ϑΝΠϧΛ͍ɺwoker͔Βͷ ݁Ռͷฦ٫ϑΝΠϧʹͦΕΛॻ͘͜ͱͰ࣮ݱ ͠Α͏ͱͨ͠ɻ(ۮવkarupa͞Μͱ͔Ϳͬͨw) • ͦͯ͠filesystemͷchange notifyʹΑͬͯ workerͷfinishedΛݕ͠Α͏ͱͨ͠ɻ • …
͗ͯ͢ෆ࠾༻ɻ
ݱঢ়ͷ࣮ • ݁ہɺIPCͱͯ͠pipe(2)Λ͏͜ͱʹͨ͠ɻworkerͱ ͷؒʹ2ຊͷpipeΛ௨ͯ͠ํͰ௨৴Ͱ͖ΔΑ͏ʹɻ • finishedͳworkerݕselect(2)Λ͏ɻ • ظ௨Γͷ͞ͰfinishedΛݕͰ͖ͨ • ݁Ռɺcpanm
3xͷ͞ͰCPAN moduleΛΠϯετʔ ϧͰ͖ΔΑ͏ʹͳͬͨ
worker worker worker worker main process Parallel::Pipes pipes pipes pipes
pipes ݱঢ়ͷ࣮ (Πϝʔδ)
ࠓޙ • cpm is a fast CPAN module installer •
cpmΛsandboxͱͯ͠CPANͷ͋Δ͖࢟Λࡧͨ͠ ͍ • Ͱɺcpanmʹ͍͍ͱ͜ΖΛؐݩ͢Δʂ • cpmͷparallelͷ෦Parallel::Pipesͱͯ͠Ϟδϡʔ ϧʹͤͨ͞ɻଞʹԠ༻Մೳͩͱࢥ͍ͬͯΔͷͰɺ ୭͔ʹͬͯΒ͍͍ͨ :-)