GoとRust - 並行処理編

GoとRustの変更処理を比較することで両者を深く理解する試みです。

詳しい内容やスライドでは省いたところをブログに書きました
https://zenn.dev/nasa/articles/compare_rust_go_concurrency

1. ©2022 Wantedly, Inc. GoͱRust - ฒߦॲཧฤ \ඇެࣜ/ Go Conferenceޙ໷ࡇ 2022/4/27 nasa (Asan Kondo)
2. ©2022 Wantedly, Inc. ࣗݾ঺հ • nasa Ͱ͢ • Backend engineer / Wantedly, in c • ਪનج൫ͷӡ༻։ൃ • DSͷੜ࢈ੑര্͛ • কདྷͷເ͸nasaͱ͍͏ϋϯυϧωʔϜΛ΋͗औΔ͜ͱ • GitHub: k-nas a • Twitter: nasa_desu • Zenn: nasa 🎉 🎉 🎉 🎉 🎉
3. ©2022 Wantedly, Inc. ࿩͢͜ͱ • goroutineͱ͸ͳʹ͔ • Goͷฒߦॲཧͷ࢓૊Έ • goroutine(Go)ͱasync/await(Rust)ͷൺֱ • GoͷϥϯλΠϜɺRustͷϥϯλΠϜͷ࿩
4. ©2022 Wantedly, Inc. ࿩͞ͳ͍͜ͱ • Ͳ͕ͬͪ༏Ε͍ͯΔͱ͍͏࿩Λ͢Δͭ΋Γ͸ͳ͍ • ߏจͷҧ͍ʹ͍ͭͯ͸ಛʹ৮Εͳ͍ • ϕʔεʹͳ͍ͬͯΔࢥ૝ʹ͍ͭͯ͸ಛʹ৮Εͳ͍
5. ©2022 Wantedly, Inc. ໨࣍ 1. ͦΕͧΕͷฒߦϓϩάϥϛϯά 2. ͦΕͧΕͷλεΫ 3. ϥϯλΠϜ 4. εέδϡʔϦϯά
6. ©2021 Wantedly, Inc. ͦΕͧΕͷฒߦϓϩάϥϛϯά
7. ©2022 Wantedly, Inc. • goΩʔϫʔυͰΒ͘Β͘ • ϥϯλΠϜ͕͍͍ײ͡ʹޮ཰త ʹॲཧͯ͘͠ΕΔ ͦΕͧΕͷฒߦϓϩάϥϛϯά (Pͷฒߦϓϩάϥϛϯά
8. ©2022 Wantedly, Inc. • RustͰ͸ϥϯλΠϜ͕૊Έ ࠐΈͰೖͬͯͳ͍ͷͰϥϯ λΠϜϥΠϒϥϦΛ࢖͏ඞ ཁ͕͋Δ • ຊൃදͰ͸tokioͱ͍͏ϥΠ ϒϥϦΛ࢖͏ ͦΕͧΕͷฒߦϓϩάϥϛϯά 3VTUͷฒߦϓϩάϥϛϯά
9. ©2022 Wantedly, Inc. • ͳΜ͔mainͷલʹมͳͷ͍ͭͯΔ • tokio::spawn?? ͦΕͧΕͷฒߦϓϩάϥϛϯά 3VTUͷฒߦϓϩάϥϛϯά
10. ©2022 Wantedly, Inc. mainલͷσΟϨΫςΟϒ͸ϥϯλ ΠϜΛىಈ͢Δ + mainΛasyncؔ ਺ʹग़དྷΔ͓·͡ͳ͍ ͦΕͧΕͷฒߦϓϩάϥϛϯά 3VTUͷฒߦϓϩάϥϛϯά
11. ©2022 Wantedly, Inc. tokio::spawn͸goΩʔϫʔυͱ ಉ͘͡λεΫΛىಈ͢Δؔ਺ ͦΕͧΕͷฒߦϓϩάϥϛϯά 3VTUͷฒߦϓϩάϥϛϯά
12. ©2022 Wantedly, Inc. • ඇಉظؔ਺Λఆٛ͢Δ͔൱͔ • ϥϯλΠϜ͕ඪ४Ͱ͋Δ͔ • ޙʹݟΔҧ͍͸ඪ४͔൱͔ ʹΑΔ΋ͷͩͱࢥ͍ͬͯΔ ͦΕͧΕͷฒߦϓϩάϥϛϯά (Pͱ3VTUൺֱ
13. ©2021 Wantedly, Inc. λεΫʹ͍ͭͯ ͦΕͧΕ͕ੜ੒ͨ͠λεΫʹ͍ͭͯݟ͍ͯ͘
14. ©2022 Wantedly, Inc. • ͦΕͧΕ͕ੜ੒ͨ͠φχΧΛλε Ϋͱݺͼ·͢ • ͜ΕΒʹ͍ͭͯݟ͍͖ͯ·͠ΐ͏ λεΫʹ͍ͭͯ
15. ©2022 Wantedly, Inc. • GoͰىಈͨ͠λεΫΛgrouting λεΫʹ͍ͭͯ • Tokio::spawnͰىಈͨ͠λεΫΛ ඇಉظλεΫ
16. ©2021 Wantedly, Inc. ·ͣHPSPVUJOFʹ͍ͭͯݟ͍͖ͯ·͠ΐ͏
17. ©2022 Wantedly, Inc. HPSPVUJOFͱ͸ ίϧʔνϯͷந৅Խ
18. ©2022 Wantedly, Inc. HPSPVUJOFͱ͸ 🤔
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19. ©2022 Wantedly, Inc. • ίϧʔνϯͷงғؾΛ௫Ή • ؔ਺͸ݺͼग़ͨ͠Β࠷ޙ·Ͱ࣮ߦ • ίϧʔνϯ͸ॲཧΛதஅग़དྷΔɺ ్ͦͯ͠த͔Β࠶։Ͱ͖Δ ίϧʔνϯͱ͸
20. ©2022 Wantedly, Inc. • goroutine΋్தͰதஅͱ࠶։Λ܁ Γฦ͍ͯ͠Δ • ͜ΕΒͷ؅ཧ͸GoϥϯλΠϜ͕ ΍͍ͬͯΔ ίϧʔνϯͱ͸
21. ©2022 Wantedly, Inc. • Ͳ͜Ͱதஅɾ࠶։͢Δͷ͔? HSPVUJOH ࠶։தஅͷ࿩
22. ©2022 Wantedly, Inc. • ๻Β͸࠶։ɾதஅϙΠϯτ͸໌͍ࣔͯ͠ͳ͍ HSPVUJOH ࠶։தஅͷ࿩
23. ©2022 Wantedly, Inc. • զʑϓϩάϥϚʔ͕໌ࣔͤͣͱ΋ϥϯλΠϜ͕ӨͰ͏·͍͜ ͱ΍ͬͯ͘Ε͍ͯΔ • ͏Ζ֮͑Ͱ͕͢Լهͷ࣌ʹ੾ΓସΘΔ͸ͣ • time.Slee p • I O • Memory allocation HSPVUJOH ࠶։தஅͷ࿩
24. ©2022 Wantedly, Inc. HSPVUJOH ࠶։தஅͷ࿩
25. ©2021 Wantedly, Inc. ඇಉظλεΫʹ͍ͭͯݟ͍͖ͯ·͠ΐ͏
26. ©2022 Wantedly, Inc. • Ͳ͜Ͱதஅɾ࠶։͢Δͷ͔ ? • awaitͱॻ͍ͨͱ͖ • ϓϩάϥϚʔ͕໌ه͢Δ ඇಉظλεΫ ࠶։தஅͷ࿩
27. ©2022 Wantedly, Inc. • ϒϩοΩϯάॲཧΛࠞೖͤ͞Δͱ ଞͷλεΫʹ੾ΓସΘΒͣ1ͭͷλ εΫ͕ઐ༗ͯ͠͠·͏ • ৻ॏ͕͞ඞཁ ඇಉظλεΫ ࠶։தஅͷ࿩
28. ©2022 Wantedly, Inc. • ੑೳͷ੹೚͸ϥϯλΠϜ͕͔࣋ͭϓϩά ϥϚʔ͕͔࣋ͭ • Go͸ϓϩάϥϚʔϑϨϯυϦʔײ͕͋Δ • ҰํͰΦʔόʔϔου͕͋Δ(Β͍͠ ) λεΫʹ͍ͭͯ
29. ©2021 Wantedly, Inc. ϓϦΤϯϓςΟϒɾϊϯϓϦΤϯϓςΟϒ
30. ©2022 Wantedly, Inc. w ·Ͱ
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31. ©2022 Wantedly, Inc. w ͔Β
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32. ©2022 Wantedly, Inc. w (PͷΑ͏ʹϥϯλΠϜ͕λεΫͷ࣮ߦΛதஅͯ͠ଞͷλεΫͷ࣮ߦʹҠΔΑ ͏ͳϚϧνλεΫํ๏ΛϓϦΤϯϓςΟϒϚϧνλεΫ
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34. ©2021 Wantedly, Inc. λεΫεέδϡʔϦϯά
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41. ©2021 Wantedly, Inc. νϟΠϧυεςΟʔϦϯάɾܧଓεςΟʔϦϯά
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43. ©2021 Wantedly, Inc. Goͩͱ͜Ε͸ؒҧ͍Ͱ͢ Page Title Page Subtitle
44. ©2022 Wantedly, Inc. νϟΠϧυεςΟʔϦϯάɾܧଓεςΟʔϦϯά w QSPDFTTPSͰ͸AHP
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    w 3VTUͰ͸εέδϡʔϦϯάͷͱ͖ʹઆ໌ͨ͠ λεΫ͕ΩϡʔΛग़ೖΓ͢ΔνϟΠϧυε ςΟʔϦϯάͱ͍͏ํࣜΛऔ͍ͬͯ·͢ɻ
46. ©2021 Wantedly, Inc. ·ͱΊ
47. ©2022 Wantedly, Inc. ·ͱΊ w (Pʹ͸ඪ४ͷϥϯλΠϜ͕͋ΔΑɺ3VTUͰ͸ϥϯλΠϜϥΠϒϥϦΛ࢖͏ඞཁ͕͋ΔΑ
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