Instrumentsを使用した アプリのパフォーマンス向上方法

1. *OTUSVNFOUTΛ࢖༻ͨ͠
   ΞϓϦͷύϑΥʔϚϯε޲্ํ๏ ͻͳͬ͜
   !IJOBLLPHSBTIJ
   
   /BHPZBTXJGU
2. ͜Μʹͪ͸ w ͻͳͬ͜
   w !IJOBLLPHSBTIJʢ9(JU)VCOPUFʣ
   w ۚ༥ػؔͷӦۀ৬ɹˠɹ݄͔ΒJ04ΤϯδχΞʹͳΓ·ͨ͠ʂ
   w ਆࢁTXJGU
   
   J04ɾ4XJGU͠Θ͠Θྠಡձ
   
   WJTJPO04ΞϓϦ։ൃ
   FUD
3. *OTUSVNFOUTͱ͸ ΞϓϦͷύϑΥʔϚϯεɺϦιʔε࢖༻ྔɺಈ࡞Λ෼ੳ͢ΔπʔϧͰ͢ɻ
   *OTUSVNFOUTΛ׆༻͢Δ͜ͱͰɺԠ౴ੑΛ޲্ͤ͞ɺϝϞϦ࢖༻ྔΛ࡟ݮ͠ɺ
   ෳࡶͳಈ࡞Λ࣌ؒͷܦաͱͱ΋ʹ෼ੳ͢Δ͜ͱ͕Ͱ͖·͢ɻ
   *OTUSVNFOUT
   5VUPSJBM
   IUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUT "OBMZ[F
   IBOHT
   XJUI
   *OTUSVNFOUT
   
   IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED
   
4. *OTUSVNFOUTΛ࢖༻ͯ͠
   ΞϓϦͷϋϯάΞοϓΛղফ͠Α͏ʂ
5. ϋϯάΞοϓͱ͸ ϢʔβʔΠϯλϥΫγϣϯͷॲཧʹݦஶͳ஗Ԇ͕ൃੜ͢Δ৔߹ɺԠ౴ͷͳ͍ঢ় ଶΛϋϯάΞοϓͱݺͿɻ
   ཧ૝తʹ͸ϝΠϯεϨουͰͷ࡞ۀ͸
   ϛϦඵҎ্தஅ͞Εͣʹ࣮ߦ͢Δඞ ཁ͕͋Δɻ
   *OTUSVNFOUT͸5JNF
   1SP fi MFSͰ͸ϛϦඵΛ௒͑Δϋϯά͕ݕग़͞ΕΔɻ
   
6. ϋϯάͷछྨ ϝΠϯεϨουͷதஅ ϋϯά ϝΠϯεϨου͕
   #VTZঢ়ଶ ϝΠϯεϨου͕
   #MPDLFEঢ়ଶ ΞϓϦ͕ৗʹσʔλΛॲཧ͓ͯ͠Γɺ
   $16࢖༻཰͕ߴ͍ঢ়ଶ ϝΠϯεϨουͷॲཧ͕ఀࢭ͠ɺ୅ΘΓʹ
   ଞͷεϨουʹ$16ΞΫηεΛ༩͍͑ͯΔঢ়ଶ
7. *OTUSVNFOUTͷ࢖༻ํ๏ 1SPEVDU
   
   1SP fi MF γϣʔτΧοτɿDPNNBOE
   
   *
   ςϯϓϨʔτબ୒΢Οϯυ΢Λදࣔ
   ࢖༻͢ΔπʔϧΛબ୒
8. *OTUSVNFOUT
   5VUPSJBMTͷϋϯάྫ IUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUTJEFOUJGZJOHBIBOH
9. ϋϯάͷಛఆ 5ime Pro fi ler τϥοΫͰ͸ CPU ࢖༻཰͕๮άϥϑͰදࣔ͞ΕɺHangs τϥοΫͰ͸ϋϯά͕ൃ ੜִ͕࢛ͨؒ֯͠ܗͰࣔ͞ΕΔɻ Tͷϋϯά
10. ϋϯάͷಛఆ ϝΠϯεϨουͷCPU࢖༻཰͕ߴ͍
    ϝΠϯεϨου͕
    #VTZঢ়ଶ $16Λ௕࣌ؒ࢖༻ $16ΛԿ౓΋࢖༻ 03
11. ϝΠϯεϨουͷ෼ੳ τϥοΫબ୒ͱ࣌ؒϑΟϧλʔ
    ͷ྆ํΛ૊Έ߹Θͤɺϋϯάͷঢ়ଶͰ
    ϝΠϯεϨουͰԿ͕ى͍ͬͯ͜Δ͔
    ෼ੳͯ͠ΈΑ͏ʂ
    
12. ϝΠϯεϨουͷ෼ੳ $BMM
    5SFF
    
    ✅)JEF
    4ZTUFN
    -JCSBSJFT
    γεςϜϥΠϒϥϦΛඇදࣔʹ͠ɺ
    9DPEFͷίʔυͷ֘౰ՕॴΛ
    ෼ੳ͠΍͘͢͢Δ
    
13. ϝΠϯεϨουͷ෼ੳ 5IVNCOBJM7JFXͷϘσΟήολʔͷݺͼग़͠ ʹCPU࣌ؒͷ%අ΍͞Ε͍ͯΔɻ
    ͜Ε͕ϋϯάͷݪҼͰ͋Δɻ
    
14. ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ
    ɾॲཧྔΛݮΒ͢
    ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢
    
15. ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ
    ɾॲཧྔΛݮΒ͢
    ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢
    
16. ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ
    7JFX
    #PEZ
    *OTUSVNFOUTΛ௥Ճ
    7JFXͷήολʔͷ࣮ߦස౓Λௐ΂Δ
    
17. ϋϯάΛमਖ਼ 5IVNCOBJM7JFXͷbodyͷ࣮ߦʹ
    ̍ճ͋ͨΓNT
    129ճ߹ܭͰT͔͔͍ͬͯΔ
    129ճͷbodyͰͷը૾ͷݺͼग़͠͸ଟ͗͢Δ
    
18. ϋϯάΛमਖ਼ )BOH
    T
    ˠ
    T
19. ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ
    ɾॲཧྔΛݮΒ͢
    ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢
    
20. ϋϯάΛमਖ਼ όοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢
21. ϋϯάΛमਖ਼ όοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢ ϋϯά͕ղফͰ͖·ͨ͠🙌 T
    ˠ
    NT
22. ࢀߟจݙ *OTUSVNFOUT
    5VUPSJBM
    IUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUT
    "OBMZ[F
    IBOHT
    XJUI
    *OTUSVNFOUT
    IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED
    4XJGU6*ͷ͝঺հ
    IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED
    4XJGU6*ͷجຊ
    IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED
    4XJGU
    6*ʹ͓͚Δσʔλͷॏཁࣄ߲
    IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED
    4XJGU6*ͷపఈղઆ
    IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED
    4XJGU6*ͷύϑΥʔϚϯεΛղ໌
    IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED