狙いはボトルネックだ！小さい課題には目もくれるな / xpjug

XP祭り2021（https://xpjug.connpass.com/event/218516/）での、前田・高橋の登壇資料となります。

Transcript

1. ૂ͍͸ϘτϧωοΫͩʂ
   খ͍͞՝୊ʹ͸໨΋͘ΕΔͳ
   ʙλ΢ϯϫʔΫ8&#νʔϜͷվળͷي੻ʙ 91ࡇΓ
2. ͜Μʹͪ͸ʂ
3. ࣗݾ঺հ ߴڮ
   ཅଠ࿠ !1PPI4VOOZ
   גࣜձࣾϦΫϧʔτʜʢ௕͍ͷͰུʣͷάϧʔϓϚωʔδϟʔ
   લాͷલ೚Ϧʔμʔ
4. ։ൃݱ৔ͷ՝୊ɺ͍ͬͺ͍͋Γ·͢ΑͶʁ Ҋ݅ͷ༏ઌ౓͕ෆ໌֬ όάରԠʹΑΔࠩ͠ࠐΈ࡞ۀͷൃੜ ςετͷඞཁे෼ੑ ௠෗Խ͠ܗ֚Խͨ͠υΩϡϝϯτ είʔϓΛՔಈͰΧόʔ͢Δ Ҿ͖ܧ͗΍࿈ܞͷൈ͚࿙Ε ӨڹൣғͷಡΊͳ͍ϓϩάϥϜ ϑϥδϟΠϧͳςετ ೲظͱमਖ਼඼࣭ͷτϨʔυΦϑߟྀ ٕज़తෛ࠴ αΠτύϑΥʔϚϯε஗Ԇ ։ൃʹඞཁͱͳΔ๲େͳ஌ࣝɺͦͯͦ͠ͷෆ଍ ϦϦʔε͸͕ͨ͠ར༻͞Ε͍ͯͳ͍ػೳ IUUQTXXXqJDLSDPNQIPUPT!/JOQIPUPMJTU6N18CBZ&(D/JCF#%#&CG3T[CF"-ZHJERHJE2HJEZNK&;%+OW5FCLNGIB8U)2LH1$K/HFI)%B D#+$7/K92:(&L)ZONN$WE&KYLNCF$P1IY1U[J25CE[%CN;3"-&$2$4JG:ZOG:ZJBBCTZJKP(%RPDF#(6%2W$1/+F[,[FH;REEL7/6HT+$L:F,L.[W%/#PW",2TF RVFC,NPKCRQH";Q16%CH16%C1)N4+YRQH
5. ͲΕ͔Βղܾ͢΂͖ͳͷ͔೰Έ·ͤΜ͔ʁ IUUQTXXXqJDLSDPNQIPUPTBOFNPOFQSPKFDUPSTJOQIPUPMJTUBV24:[C-4BK/ZLD;JTLNG8[53)'$)U-8;[YI$3N".(BV9S1"FKTUSRZ(5WPP(:8 N;XG.#9"ON6(F,462ZG,+DLXGV.NO'WF:EG-DSTB)OP.$2,ZS2'I3I$6ES/U+FCJSUPIP:3#C:[F2IJ/&YBT/O1H$2K&(&G[L)OY/'O'Y,C$GU:42:LC )HQ"GIDWB2NFK-61K"%#.%1%,+42UT[$'+:XB%F"99YVNO:K1&XW92NV):NC&(OU
6. ͜ͷηογϣϯͰ͸
   զʑ͕Ͳ͏՝୊ΛબΜͰɺ
   վળ͍ͯͬͨ͠ͷ͔Λ͓఻͍͖͑ͯ͠·͢ɻ
7. զʑ͸ͳͥ͜͜ʹ͍Δͷ͔ IUUQTXXXqJDLSDPNQIPUPTXFMJLFTIBSJOHJOQIPUPMJTUL4I2XZB$9F&QSKXK(EU)%I(N$-G.&&('8XS8E'SCZ((EU.KZT'N(3'SO&S3XIGO(EU'DZ'SOQ)HR+5)EPOT(p%BU6p%CSIF;Q3YE"%. )EO1T&J$[HP,+K)HJKLW(N79#JJYV(L5H-(3I+&(3B:R(N)HW1C6,(3C8X41FFJI1FF6)3[$COX&"4:J"&:#NH/H)ES(UXE%(&+U)EVFZ1FFDX)BOB57)HJ-QBX'TW%UZX:E)H4(L1)"N )EPE48(L2CT:
8. IUUQTTQFBLFSEFDLDPNSFDSVJUFOHJOFFSTCVTJOFTTWBMVFBOEFOHJOFFSJOH TMJEF Ϗδωεߏ଄ͷཧղ͔Β࢝ΊΔ
9. IUUQTTQFBLFSEFDLDPNSFDSVJUFOHJOFFSTCVTJOFTTWBMVFBOEFOHJOFFSJOH TMJEF Ϗδωεߏ଄্ͷզʑͷνʔϜ ͜ͷνʔϜͷ࿩
10. ٻਓ৘ใʹର͢ΔίϯόʔδϣϯϨʔτͷվળ ྑ͍69վળΛࢥ͍͍ͭͯ ͦΕΛ࡞Δ͚ͩͩʂ؆୯ͩͶʂ
11. ٻਓ৘ใʹର͢ΔίϯόʔδϣϯϨʔτͷվળ ྑ͍69վળΛࢥ͍͍ͭͯ ͦΕΛ࡞Δ͚ͩͩʂ؆୯ͩͶʂ ͦΜͳ͜ͱ͸ͳ͍
12. ͦ΋ͦ΋ΞΠσΞͷՁ஋͸ࢼ͞ͳ͍ͱΘ͔Βͳ͍ʢͦͯ͠੒ޭͷӄʹ͸ʜʣ IUUQTXXXBNB[PODPKQEQ#;517;( ɾ.JDSPTPGUͰςετ͞ΕͨΞΠσΞͷ͏ͪɺվળΛࣔ͢ϝτϦΫεΛ࣮ࡍʹվળ Ͱ͖ͨͷ͸෼ͷʹա͗ͳ͍
    ɾ#JOH΍(PPHMFͷΑ͏ͳ਺ଟ͘ͷ࣮ݧʹΑΓ࠷దԽ͞ΕͨྖҬͰ͸ɺ੒ޭΛݟͭ ͚Δͷ͸͞Βʹ೉͘͠ɺΞΠσΞͷ੒ޭ཰͸໿ʙͰ͋Δ
    ɾʮ΋͋͠ͳ͕࣮ͨݧओಋͷνʔϜʹ͍ΔͳΒɺͷ࢓ࣄ͕ࣺͯΒΕΔ͜ͱʹ׳ Ε͍ͯͩ͘͞ɻͦΕʹԠͯ͡ϓϩηεΛߏங͠·͠ΐ͏ʯ ͍͔ʹʮࢼߦճ਺Λ૿΍͔͢ʯ
    ʮૣ͘ࣄ࣮ʢֶͼʣΛݕग़͢Δ͔ʯ͕
    ϙΠϯτ
13. ྆ํܭଌͯ͠ΈΔͱɺ྆ํͱ΋՝୊͕͋ΔͱΘ͔Δ IUUQTTQFBLFSEFDLDPNQPPITVOOZEFWTVNJ
14. ͦΕҎ্Θ͔Βͳ͍ͱ͖͸ɺηοτϕʔεతʹߟ͑Δ IUUQTXXXTMJEFTIBSFOFUJLFZEFWTVNJ
15. ཁ͢ΔʹʮʢϦιʔεͷൣғ಺Ͱʣࢥ͍͍ͭͨ͜ͱશ෦΍Δʯ IUUQTTQFBLFSEFDLDPNQPPITVOOZEFWTVNJ
16. Ͳ͏ͯ͠΋͔ͭͬ͑ΔϙΠϯτʢϘτϧωοΫʣͷൃݟͱରࡦ IUUQTTQFBLFSEFDLDPNQPPITVOOZEFWTVNJ
17. Α͘৮Δ෦෼ͷϑϩϯτΤϯυͷϦΞʔΩ IUUQTDPEF[JOFKQBSUJDMFEFUBJM
18. ϦʔυλΠϜ͸୹͘ͳΓ
    ֶͼͷग़ྗ਺΋૿͑ग़͢
19. զʑͷઓ৔͸΋ͬͱ޿͔ͬͨ
20. ݟํΛม͑ͯ""333ϞσϧͰݟͯΈΔͱ IUUQTXXXTMJEFTIBSFOFUJLFZTT
21. ݟํΛม͑ͯ""333ϞσϧͰݟͯΈΔͱ IUUQTXXXTMJEFTIBSFOFUJLFZTT զʑ͕͜͜· ͰऔΓ૊ΜͰ ͖ͨͱ͜Ζ ຊ౰ͷઓ৔
22. IUUQTXXXqJDLSDPNQIPUPTTFPQMBOUFSJOQIPUPMJTUDOG'/&DOG&,DOG'PTEFV9SDOG&3"D37(IDOG'7TDOG'E4[IGDOG&.R,O-[1B/KT[Z.%7F DOG''GS:EPU"6&YDOG'+XU;FDDOG'L6DOG'$K7ZBE'Q(7DOG'/+32F6CX2L8%$4K,KID1F96;CO)#1[J-Q7ZKYU(W;CQ%PCL5E; HV(+[I8USZUL)-U8U7"8[N.,,(8Z8[N)8%$9&8[N+)8[NY1#V;48[N%W8[N".8[NXY8%$;T
23. (PPHMF
    4QFFE
    6QEBUFରԠ αΠτͷߴ଎Խ IUUQTDPEF[JOFKQBSUJDMFEFUBJM
24. ϖʔδͷಡΈࠐΈ࣌ؒΛ࡟ݮ͠ɺϘτϧωοΫղফ IUUQTDPEF[JOFKQBSUJDMFEFUBJM Q
25. ͜͜·Ͱ΍͖ͬͯͨ͜ͱ ๏Ϗδωεߏ଄ͷཧղ͔Βɺվળͷํ޲ੑͷཧղ
    ๏։ൃϓϩηεͷνϡʔχϯάʢख౰ͨΓ࣍ୈʣ
    ๏ϑϩϯτΤϯυͷϦΞʔΩ
    ๏$44ͷܰྔԽʹΑΔαΠτεϐʔυͷվળ ͯ͞ɺ࣍͸ʁ
26. ࢲͨͪ΋ͬͱૣ͘࡞ΕΔΜ͡Όͳ͍͔ͳʁ
    ʢϨϕϧΛ্͛ͯ෺ཧͰԥΕʣ
27. ৽ͨͳΔϘτϧωοΫ ϦϦʔε͸׬͕ྃͨ͠ɺ "#ςετ͕։࢝Ͱ͖ͳ͍ ΋ͷ͕ൃੜ Ҋ͕݅اը͞Ε͔ͯΒϦϦʔε͞Εɺֶͼ͕෼ੳ͞ΕΔ·Ͱͷྦྷੵϑϩʔਤ
28. ࠓ·Ͱ͸։ൃ͕ϘτϧωοΫ 1-"/ %&7 "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ɾ
    ɾ
    ɾ Ҋ݅ Ҋ݅ Ҋ݅ ։ൃணखͰ͖ͳ͍ Ҋ݅ͷ଺ཹ
29. "#ςετͷʮ΋͍ͬͨͳ͍ʯ͕ൃੜ 1-"/ %&7
    Րྗˢˢ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ɾ
    ɾ
    ɾ ։ൃணखͰ͖ͳ͍ Ҋ݅͸ղফ Ҋ݅ Ҋ݅ Ҋ݅ Ҋ݅ ಉ͡ ը໘ͷݕূ͕଺ཹͯ͠ݕ ূ଴͕ͪൃੜ ݕূ͍ͯ͠ͳ͍ը ໘ͷൃੜ
30. ݕূʢ"#ςετʣͷʮՔಇ཰ʯվળΛ໨ࢦ͢ 1-"/ %&7
    Րྗˢˢ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ։ൃணखͰ͖ͳ͍ Ҋ݅͸ղফ Ҋ݅ Ҋ݅ Ҋ݅ .&$&ͳঢ়ଶΛ໨ࢦ͢
31. ݕূʢ"#ςετʣͷʮՔಇ཰ʯվળΛ໨ࢦ͢ 1-"/ %&7
    Րྗˢˢ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ։ൃணखͰ͖ͳ͍ Ҋ݅͸ղফ Ҋ݅ Ҋ݅ Ҋ݅ .&$&ͳঢ়ଶΛ໨ࢦ͢ ߴ೉౓
32. ߴ೉౓ᶃQVMMܕ΁ͷύϥμΠϜγϑτʢܭըۦಈʣ 1-"/ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ɾ
    ɾ
    ɾ Ҋ݅ Ҋ݅ Ҋ݅ %&7 Ҋ݅ ᶃ.FBTVSF͕͍ͭࠒ ऴΘΓͦ͏͔ΛϞχ λϦϯάͯ͠ ᶄͦͷը໘ʹؔΘΔ Ҋ݅ͷ։ൃϦʔυλ ΠϜΛ༧ଌͯ͠ ᶅద੾ͳॱ൪ʹʮ࣍ Կ΍Δ͔ʯΛܾΊΔ ٯࢉͯ͠ܭը
33. ߴ೉౓ᶄQVMMܕ΁ͷύϥμΠϜγϑτʢܭըۦಈʣ 1-"/ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ɾ
    ɾ
    ɾ Ҋ݅ Ҋ݅ Ҋ݅ %&7 Ҋ݅ ᶃ.FBTVSF͕͍ͭࠒ ऴΘΓͦ͏͔ΛϞχ λϦϯάͯ͠ ᶄͦͷը໘ʹؔΘΔ Ҋ݅ͷ։ൃϦʔυλ ΠϜΛ༧ଌͯ͠ ᶅద੾ͳॱ൪ʹʮ࣍ Կ΍Δ͔ʯΛܾΊΔ ٯࢉͯ͠ܭը
34. ܹϜζᶄίϯτϩʔϧෆೳͳύϥϝʔλʔ 1-"/ "ը໘.FBTVSF #ը໘.FBTVSF $ը໘.FBTVSF ɾ
    ɾ
    ɾ Ҋ݅ Ҋ݅ Ҋ݅ %&7 Ҋ݅ 99೔·Ͱʹ::ਓ೔αΠζͷҊ ݅࡞Βͳ͖Ό
    ˠແཧ
    ಉҰαΠζͷҊ݅͸࡞Εͳ͍ ݟੵ΋Γʹਪଌ
    㱠ίϛοτϝϯτ όάΛແࢹͯ͠͸͍͚ ͳ͍ "#ςετͷ࣮૷͸ϥΠτ ʹ͍͕ͨͦ͠͏͢Δͱ౰ ͨͬͨ࣌ͷରԠίετ·Ͱ ৫Γࠐ·ͳ͍ͱ͍͚ͳ͍ ଟগͷόοϑΝΛ࣋ͭͷ͕ڭՊॻ త͕ͩͦΜͳ༨༟͸ͳ͍
35. w খ͘͢͞Ε͹ɺ૬ରతʹʮϒϨʯ΋খ͘͢͞Δ͜ͱ͕Ͱ͖Δ
    w খ͘͢͞Ε͹ɺ૬ରతʹʮݟੵ΋Γʯͱʮ࣮ࡍʯͷϒϨ΋খ͘͢͞Δ͜ͱ͕Ͱ ͖Δ
    w খ͘͢͞Ε͹ɺϦʔυλΠϜΛখ͘͞Ͱ͖Δ
    w খ͘͢͞Ε͹ɺߟྀ఺΋খ͘͞ͳΓɺઃܭ͕γϯϓϧʹͳΔɻ"#ςετΛຊ ϓϩμΫτͱͯ͠औΓࠐΉ࣌ͷߟྀ఺΋ݮΔ ղܾࡦ͸ʮখ͘͢͞Δʯ
36. ஌ͬͯΔ͜ͱ͕ҧ͏͔ΒʮΈΜͳͰখ͘͢͞Δʯ ͜ͷ෦෼͕࡟ΕΔͱ͍ͩ ͿεοΩϦͦ͠͏ʔ ଞͷνʔϜͷঢ়گ͸99 Ͱʙ ࣍ͷ"#ςετͷۭ͖͕͋ Δͷ͸̑೔ޙ͔ͩ Βɺɺɺ ͜ͷҊ݅ͷؒʹ͋ͷվળ Ҋ݅Ͷ͡ࠐΊΔΜ͡Όͳ ͍ʁ ͬͪͩ͜ͱޮՌ͸͜ͷ͘ Β͍ʹͳΓͦ͏͔ͳʔ
37. ։ൃதʹى͖Δʮ༧ଌ֎ʯ΋ΈΜͳͰରॲ Ҋ݅ ৗʹ࠷৽ͷόοΫϩ ά ਓͷۭ͖ঢ়گ΍ࠔΓ ͝ͱΛڞ༗
38. ͜ͷ൒೥Ͱ
    վળ݁Ռ͕ग़͍ͯΔঢ়ଶ /PX
    EPDVNFOUJOHʜ ʜOFYU
39. "#ςετ͕ϘτϧωοΫԽ͠ɺίΞϩδοΫͷมߋ͕བྷΉҊ݅ͷ૿Ճ
40. ͦΕʹ൐͍ɺۀ຿φϨοδͷෆ଍ରࡦ IUUQTIPEBJHMPCJTDPKQDPVSTFTGF
41. 4&0ϦεΫରԠ"HBJOʢ$PSF
    8FC
    7JUBMTʣ IUUQTTQFBLFSEFDLDPNSFDSVJUFOHJOFFSTUBVOXBLVOJPLFSVDPSFXFCWJUBMTHBJTIBOTIJDFUPTPSFOJZPSJKJBOFUFLJUBNPGBMTF
42. ໨ඪࢦඪͷվળͷ࣮ࢪ IUUQTTQFBLFSEFDLDPNSFDSVJUFOHJOFFSTUBVOXBLVOJPLFSVDPSFXFCWJUBMTHBJTIBOTIJDFUPTPSFOJZPSJKJBOFUFLJUBNPGBMTF
43. ՄࢹԽ ϓϩηεվળ ΞʔΩςΫνϟվળ εΩϧΞοϓ αΠτύϑΥʔϚϯεվળ KTͷϦΞʔΩ 4QFFE
    6QEBUFର Ԡ ͜͜·Ͱͷվળ׆ಈ͸·ΔͰཐટ֊ஈͷΑ͏ ։ൃ಺෦ϓϩηε վળ اըʙݕূ·Ͱͷ ϞχλϦϯά νʔϜ಺ษڧձ ༗ࣝऀ΁ͷఋࢠೖ Γ $PSF
    8FC
    7JUBMBT "#ςετϞχλ Ϧϯά ேձͰͷΤΫετ ϦʔϜ༏ઌॱҐܾ Ί IUUQTXXXqJDLSDPNQIPUPTLNEPODBTUFSJOQIPUPMJTU)%'YY#;&O67PD3Z:$RP$&CEIB/K8&EGFHP-"FKL+3S2OGF)S;ND[-$7OYI,P[YD8$'FNH4ZY2+FBK7PF+&EBJ&S- C;%DP3)T[,5G/$V84T"N'UG[R$:L:H7BC2IDLC7%+YDLZD')L:CHC;RUZ.S/W6H9.CBO'6,KPPP9;X('-O'29%2G7X+BC2FB%BC2J+QBC5Z2VY$:BC2COBJ$4ZBC2G'FYBF(/DZ42F)4)IO
44. IUUQTXXXqJDLSDPNQIPUPTLNEPODBTUFSJOQIPUPMJTU)%'YY#;&O67PD3Z:$RP$&CEIB/K8&EGFHP-"FKL+3S2OGF)S;ND[-$7OYI,P[YD8$'FNH4ZY2+FBK7PF+&EBJ&S- C;%DP3)T[,5G/$V84T"N'UG[R$:L:H7BC2IDLC7%+YDLZD')L:CHC;RUZ.S/W6H9.CBO'6,KPPP9;X('-O'29%2G7X+BC2FB%BC2J+QBC5Z2VY$:BC2COBJ$4ZBC2G'FYBF(/DZ42F)4)IO Ұपճͬͯ೔ʑͷੵΈॏͶ͕΍ͬͺΓେࣄ IUUQTTQFBLFSEFDLDPNSFDSVJUFOHJOFFSTUBVOXBLVOJPLFSVDPSFXFCWJUBMTHBJTIBOTIJDFUPTPSFOJZPSJKJBOFUFLJUBNPGBMTF
45. ݁ہ͸࣭ͱεϐʔυͷ࿩ͩͬͨ IUUQTTQFBLFSEFDLDPNUXBEBRVBMJUZBOETQFFEBVUVNOFEJUJPO
46. w Կ͔ΒվળʹऔΓ૊ΜͩΒ͍͍͔Θ͔Βͳ͍ঢ়ଶ͔Βɺࣗ෼ͨͪͷଘࡏҙٛ ͱ໨తΛ֬ೝͨ͠
    w ՝୊Λݟ͚ͭΔͨΊͷϞχλϦϯάͷ࣮ࢪΛ͠ɺ౎౓ϘτϧωοΫͱͳ͍ͬͯ Δ΋ͷΛվળ͍ͯͬͨ͠ɻʢ։ൃϓϩηεɺεΩϧɺαΠτύϑΥʔϚϯεɺ ΞʔΩςΫνϟʜʣ
    w վળΛ܁Γฦ͍ͯ͠Δ͏ͪʹɺ͜ͷվળ࡞ۀ͸ཐટ֊ஈΛొΔΑ͏ͳ΋ͷͩ ͱؾ෇͍ͨɻ
    w ϘτϧωοΫͷվળͷͨΊʹɺ݁ہ͸ʮ೔ʑͷੵΈॏͶ͕΋ͬͱ΋େࣄͳͷ ͩʯʢ࣭ͱεϐʔυ͸τϨʔυΦϑͰ͸ͳ͍ʣ ·ͱΊ
47. ͓͠·͍ʂ
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    &OKPZ
    ZPVS
    ΧΠθϯ