Swift Concurrencyを導入するにあたって決めたこと

Transcript

1. 4XJGU
   $PODVSSFODZΛ ಋೖ͢Δʹܾ͋ͨͬͯΊͨ͜ͱ 2022/03/15 佐藤 光
2. mixi, Inc. ࣗݾ঺հ ˔ ࠤ౻ ޫ !IJDLB ˔ גࣜձࣾϛΫγΟ ΈͯͶࣄۀ෦ ϓϩμΫτ։ൃάϧʔϓ ˓ 
   த్ೖࣾ ˔ ޷͖ͳ΋ͷ ˓ ϥʔϝϯ ˓ ϙέϞϯ
3. mixi, Inc. ΞδΣϯμ ˔ ʮՈ଒ΞϧόϜ ΈͯͶʯʹ͍ͭͯ ˔ 4XJGU
   $PODVSSFODZʹ͍ͭͯ ˔ ࠾༻͍ͯ͠ΔΞʔΩςΫνϟʹ͍ͭͯ ˔ 4XJGU
   $PODVSSFODZΛಋೖ͢Δʹܾ͋ͨͬͯΊͨ͜ͱ ˔ ·ͱΊ
4. ʮՈ଒ΞϧόϜ ΈͯͶʯʹ͍ͭͯ
5. mixi, Inc. ʮՈ଒ΞϧόϜ ΈͯͶʯʹ͍ͭͯ ˔ Ո଒ͰࢠڙͷࣸਅΛ؆୯ʹڞ༗Ͱ͖ΔαʔϏε ˔ ʮੈքதͷՈ଒ͷz͜͜ΖͷΠϯϑϥzΛ࡞Δʯ Λϛογϣϯʹܝ͛ɺݱࡏݴޠରԠ ˔ ҎԼʮΈͯͶʯͱॻ͘
6. 4XJGU
   $PODVSSFODZʹ͍ͭͯ
7. mixi, Inc. 4XJGU
   $PODVSSFODZʹ͍ͭͯ ˔ 4XJGU͔Βݴޠػೳʹ౥ࡌ͞ΕͨฒߦॲཧͷͨΊͷϑϨʔϜϫʔΫ ˔ ൃද౰ॳ͸J04Ҏ্͔͠࢖͑ͳ͔ͬͨ ˔ 9DPEF͔ΒJ04Ͱ΋࢖͑ΔΑ͏ʹόοΫϙʔτ࣮૷͕͞Εͨ ˓ ˢΛ͖͔͚ͬʹಋೖݕ౼Λ։࢝
8. mixi, Inc. 4XJGU
   $PODVSSFODZʹ͍ͭͯ BTZOD
   
   BXBJU ˔ BTZOD ΩʔϫʔυΛ͚ͭΔ͜ͱͰඇಉظॲཧͰ͋Δ͜ͱΛϚʔΫͰ͖Δ BXBJU
   ΩʔϫʔυΛ͚ͭͯݺͼग़͢ ˔ BTZOD Ωʔϫʔυ͕͍͍ͭͯΔϝιου΍ϓϩύςΟΛݺͼग़ͨ͢Ίͷ৚݅ ˓ BTZOD
   Ωʔϫʔυ͕͍͍ͭͯΔϝιου΍ϓϩύςΟ͔Βݺͼग़͢ ˓ 5BTL ʹ౉͢Ϋϩʔδϟ಺͔Βݺͼग़͢
9. mixi, Inc. 4XJGU
   $PODVSSFODZʹ͍ͭͯ BTZOD
   
   BXBJU Ϋϩʔδϟ IUUQTEPDTTXJGUPSHTXJGUCPPL-BOHVBHF(VJEF$PODVSSFODZIUNM
10. mixi, Inc. 4XJGU
    $PODVSSFODZʹ͍ͭͯ BTZOD
    
    BXBJU BTZOD
    
    BXBJU IUUQTEPDTTXJGUPSHTXJGUCPPL-BOHVBHF(VJEF$PODVSSFODZIUNM
11. mixi, Inc. 4XJGU
    $PODVSSFODZʹ͍ͭͯ BDUPS ˔ ෳ਺εϨου͔ΒಡΈॻ͖ͨ͠ͱ͖ͷσʔλڝ߹Λ๷͙ ˓ ಡΈॻ͖ཁٻ͕Ωϡʔʹੵ·Εɺॱ൪ʹॲཧ͞ΕΔ ˓ BDUPSΠϯελϯε͝ͱʹΩϡʔ͕࡞ΒΕΔ ˔ HMPCBM"DUPS ˓ ಡΈॻ͖ཁٻͷΩϡʔΛෳ਺ͷΠϯελϯεͰڞ༗͢Δ ˔ .BJO"DUPS ˓ ಡΈॻ͖ཁٻΛϝΠϯΩϡʔʹੵΜͰ͘ΕΔHMPCBM"DUPS ˓ දࣔσʔλΛ؅ཧ͢ΔΫϥεʹΛ͚ͭΔͱɺϝΠϯεϨου΁ͷ੾Γସ͑๨ΕʹΑΔΫϥογϡΛ๷͛Δ
12. mixi, Inc. 4XJGU
    $PODVSSFODZʹ͍ͭͯ BDUPS
13. ࠾༻͍ͯ͠Δ ΞʔΩςΫνϟʹ͍ͭͯ
14. mixi, Inc. ࠾༻͍ͯ͠ΔΞʔΩςΫνϟʹ͍ͭͯ ˔ ΞʔΩςΫνϟύλʔϯ ˓ $MFBO"SDIJUFDUVSF ˓ .71
    1BTTJWF
    7JFX ˔ ඇಉظॲཧ ˓ 3Y4XJGU ˓ Ϋϩʔδϟ IUUQTNJYJEFWFMPQFSTNJYJDPKQNJUFOFJPTDMFBOBSDIJUFDUVSFEE
15. 4XJGU
    $PODVSSFODZΛ ಋೖ͢Δʹܾ͋ͨͬͯΊͨ͜ͱ
16. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ 3FNPUF ˔ "MBNPGJSF  Λར༻த ˓ "MBNPGJSFΛ4XJGU
    $PODVSSFODZରԠόʔδϣϯ  ·Ͱ্͛Δ ˓ ࣗ෼ͰFYUFOTJPOϝιουΛੜ΍͢ ˔ ݱঢ়͸ޙऀΛ࠾༻ ˓ "MBNPGJSFͷϝδϟʔόʔδϣϯΞοϓ଴ͪͰ4XJGU
    $PODVSSFODZͷಋೖ͕Ͱ͖ͳ͍ࣄଶΛආ͚Δ ˓ όʔδϣϯΞοϓ׬ྃ࣍ୈɺॱ࣍FYUFOTJPOϝιουͷར༻Λ΍Ί͍ͯ͘ IUUQTHJUIVCDPN"MBNPGJSF"MBNPGJSFSFMFBTFT
17. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ 3FNPUF IUUQTDPDLTDPNCIBUFOBCMPHDPNFOUSZ
18. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ 3FNPUF
19. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ -PDBM ˔ ϩʔΧϧͷσʔλಡΈॻ͖͸ɺओʹ 3FBMN PS
    6TFS%FGBVMUT ˔ 3FBMNͷެࣜυΩϡϝϯτͷ 5ISFBEJOH
    ͷϖʔδ͔Βൈਮ ˓ %PObU
    MPDL
    UP
    SFBE
    ಡΈࠐΈΛϩοΫ͠ͳ͍Ͱ ˓ "WPJE
    XSJUFT
    PO
    UIF
    6*
    UISFBE
    JG
    ZPV
    XSJUF
    PO
    B
    CBDLHSPVOE
    UISFBE
    6*εϨουͰॻ͖ࠐΈ͠ͳ͍Ͱ ˔ ಛఆͷεϨου ಛʹ6*εϨου Λ઎༗͢ΔͱΞϓϦύϑΥʔϚϯεʹେ͖ͳӨڹ͕ͰΔ ˓ Ξοϓϩʔυͨ͠ϝσΟΞͷΩϟογϡ౳Ͱར༻͍ͯ͠Δ ˓ ສ୯ҐͰΞοϓϩʔυ͍ͯ͠ΔϢʔβʔ΋͍Δ ˔ બ୒ࢶ ˓ HMPCBM"DUPS
    Λ࢖͏ 
    ಛఆͷεϨουΛ઎༗ͯ͠͠·͍΍͘͢ͳΔ ˓ XJUI$IFDLFE 5ISPXJOH $POUJOVBUJPO
    º %JTQBUDI2VFVF
    Λ࢖͏ 
    ($%୤٫͍ͨ͠ ˓ 5BTLEFUBDIFE
    Λ࢖͏ IUUQTEPDTNPOHPECDPNSFBMNTELTXJGUBEWBODFEHVJEFTUISFBEJOH
20. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ -PDBM ˔ 5BTLEFUBDIFE
    Λ࢖͏ ˓ ಛఆͷεϨουΛ઎༗ͮ͠Β͍ ˓ 4XJGU
    $PODVSSFODZͷػೳ͚ͩͰ࣮ݱͰ͖Δ ˔ ࣗ෼ͰΩϟϯηϧॲཧΛॻ͘ඞཁ͕͋Δ ˓ 3FBMNʹಡΈॻ͖ΛΩϟϯηϧ͢ΔΠϯλʔϑΣΠε͕ͳ͍ͨΊߟྀ֎ ˔ ࢖͏ଆͰγϯϓϧʹॻ͚ΔΑ͏ʹQSPUPDPMΛ༻ҙ ˓ 3FBMNΞΫηε͢Δ֤-PDBM%BUB4PVSDF͕४ڌͯ͠࢖͏ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUUBTLEFUBDIFE
21. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ -PDBM
22. mixi, Inc. ܾΊͨ͜ͱ  σʔλ૚ -PDBM
23. mixi, Inc. ܾΊͨ͜ͱ r υϝΠϯ૚ ˔ 6TF$BTFʹੜ΍͢ϝιουʹ BTZOD
    ΩʔϫʔυΛ෇༩͢Δ ˔ ΈͯͶʹ͓͍ͯ6TF$BTF͸ɺσʔλ૚ͷϝιουΛͲͷΑ͏ʹݺͿ͔͕੹຿ʹͳΔ͜ͱ͕ଟ͍ ˓ σʔλ૚ʹ BTZOD
    ϝιουΛੜ΍͢ ˓ σʔλ૚ͷ BTZOD
    ϝιουΛͦͷ··ݺͿ
24. mixi, Inc. ܾΊͨ͜ͱ r ϓϨθϯςʔγϣϯ૚ Ͳ͜ʹ !.BJO"DUPS
    Λ͚ͭΔ͔ ˔ 7JFX7JFX$POUSPMMFSͷΈ ˔ 1SFTFOUFSͰ͸ঢ়ଶ؅ཧΛ͍ͯ͠ͳ͍ͨΊݱঢ়͸ෆཁͱ൑அ Ͳ͜Ͱ 5BTL
    Λੜ੒͢Δ͔ ˔ 7JFX7JFX$POUSPMMFSͰੜ੒ ˔ 1SFTFOUFS͕7JFXʹରͯ͠ެ։͢Δϝιουʹ BTZOD
    ΩʔϫʔυΛ͚ͭΔ Ͳ͜·ͰΩϟϯηϧॲཧΛؤுΔ͔ ˔ Ͳ͏ͯ͠΋Ωϟϯηϧ͍ͨ͠ͱ͖ ΩϟϯηϧϘλϯΛஔ͍ͯΔͳͲ Ҏ֎͸ؤுΒͳ͍ ˔ 5BTL
    ʹTFMGΛΩϟϓνϟͤ͞Δͱɺඇಉظॲཧ͕ऴΘΔ·ͰࢀরΧ΢ϯτ͕ݮΒͣϝϞϦϦʔΫʹͳΔ ˓ ແݶϧʔϓͯ͠ͳ͚Ε͹͍͔ͭ͸ऴΘͬͯ։์͞ΕΔ ˓ ίϯύΠϥͰ๷͙͜ͱ͕೉͍ͨ͠ΊϨϏϡʔίετ্͕͕Δ
25. mixi, Inc. ܾΊͨ͜ͱ r ςετίʔυ ςεςΟϯάϑϨʔϜϫʔΫ ˔ ݱঢ়
    9$5FTU
    PS
    2VDJL ˔ 2VJDL͸ݱࡏɺ4XJGU
    $PODVSSFODZະରԠ ˔ ࠓޙ͸9$5FTUΛ࢖͏ ϞοΫ ˔ ݱঢ়
    4PVSDFSZ ˔ બ୒ࢶ ˓ .PDLPMPʹมߋ πʔϧΛ૿΍͞ͳ͍ͨΊ ˓ 4PVSDFSZΛ4XJGU
    $PODVSSFODZରԠόʔδϣϯʹΞοϓσʔτ IUUQTHJUIVCDPN2VJDL2VJDLSFMFBTFT IUUQTHJUIVCDPNLS[ZT[UPG[BCMPDLJ4PVSDFSZSFMFBTFT
26. mixi, Inc. ܾΊͨ͜ͱ r Ҡߦܭը ˔ 4XJGUʹඋ͑ͯɺݱঢ়ग़͍ͯΔΤϥʔ΍ϫʔχϯάʹରԠ͢Δ ˓ 9GSPOUFOE
    XBSODPODVSSFODZ ˓ 9GSPOUFOE
    FOBCMFBDUPSEBUBSBDFDIFDLT ˔ ৽نͰ࡞ΔػೳͰੵۃతʹ࠾༻͍ͯ͘͠ ˔ طଘͷػೳʹґଘ͢Δඞཁ͕͋Δ৔߹͸ҎԼ͔Βબ୒ ˓ طଘͷඇಉظॲཧΛ BTZOD
    ϝιουʹஔ͖׵͍͑ͯ͘ ˓ ৽نͰ BTZOD
    ϝιουΛ࡞੒ͯ͠ঃʑʹஔ͖׵͍͑ͯ͘ Өڹൣғ͕޿ͯ͘ஔ׵͕େมͳͱ͖ ˙ 3Y4XJGU
    4XJGU
    $PODVSSFODZରԠόʔδϣϯ·ͰΞοϓσʔτͯ͠ 0CTFSWBCMF
    ˠ
    BTZOD
    ม׵ ˙ Ϋϩʔδϟ
    XJUI$IFDLFE 5ISPXJOH $POUJOVBUJPOΛ࢖ͬͯ BTZOD
    ʹม׵ ˔ ϦϦʔεલʹ͸֤04όʔδϣϯͰͷ2"Λߦ͏ IUUQTGPSVNTTXJGUPSHUDPODVSSFODZJOTXJGUBOEDPODVSSFODZJOTXJGUBOE
27. ·ͱΊ
28. mixi, Inc. ·ͱΊ ˔ ΈͯͶʹ4XJGU
    $PODVSSFODZΛಋೖ͢Δʹܾ͋ͨͬͯΊͨ͜ͱΛɺݕ౼աఔͰग़͖ͯͨબ୒ࢶͱͱ ΋ʹઆ໌ ˓ ň͏ͪͰ͸͜͏ܾΊͨΑʼnňͬͪ͜ͷ΄͏͕͍͍Μ͡Όͳ͍ ʼnͱ͍͏πΠʔτͰ੝Γ্͕͍ͬͯͨΒخ͍͠ ˔ ࣮ࡍʹಋೖͯ͠ΈͯಘΒΕͨ஌ݟʹ͍ͭͯ΋ॱ࣍ൃ৴͍͖͍ͯͨ͠
29. mixi, Inc.