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
980
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
680
Writing Perl with w0rp/ale
skaji
0
2.3k
Other Decks in Programming
See All in Programming
iOSDC.pdf
chronos2500
2
650
どの様にAIエージェントと 協業すべきだったのか?
takefumiyoshii
1
570
Your Perfect Project Setup for Angular @BASTA! 2025 in Mainz
manfredsteyer
PRO
0
110
私はどうやって技術力を上げたのか
yusukebe
43
17k
GraphQL×Railsアプリのデータベース負荷分散 - 月間3,000万人利用サービスを無停止で
koxya
1
1k
uniqueパッケージの内部実装を支えるweak pointerの話
magavel
0
880
開発生産性を上げるための生成AI活用術
starfish719
1
130
Go Conference 2025: Goで体感するMultipath TCP ― Go 1.24 時代の MPTCP Listener を理解する
takehaya
7
1.5k
Build your own WebP codec in Swift
kishikawakatsumi
2
880
Breaking Up with Big ViewModels — Without Breaking Your Architecture (droidcon Berlin 2025)
steliosf
PRO
1
290
猫と暮らすネットワークカメラ生活🐈 ~Vision frameworkでペットを愛でよう~ / iOSDC Japan 2025
yutailang0119
0
210
Back to the Future: Let me tell you about the ACP protocol
terhechte
0
120
Featured
See All Featured
Side Projects
sachag
455
43k
Site-Speed That Sticks
csswizardry
11
870
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
Rails Girls Zürich Keynote
gr2m
95
14k
The World Runs on Bad Software
bkeepers
PRO
71
11k
Code Reviewing Like a Champion
maltzj
525
40k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
Building a Modern Day E-commerce SEO Strategy
aleyda
43
7.7k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
840
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
How GitHub (no longer) Works
holman
315
140k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
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 :-)