Instrumentsを使用したアプリのパフォーマンス向上方法

by hinakko

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*OTUSVNFOUTΛ࢖༻ͨ͠ ΞϓϦͷύϑΥʔϚϯε޲্ํ๏ ͻͳͬ͜!IJOBLLPHSBTIJ /BHPZBTXJGU

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͜Μʹͪ͸ w ͻͳͬ͜ w !IJOBLLPHSBTIJʢ9(JU)VCOPUFʣ w ۚ༥ػؔͷӦۀ৬ɹˠɹ݄͔ΒJ04ΤϯδχΞʹͳΓ·ͨ͠ʂ w ਆࢁTXJGUJ04ɾ4XJGU͠Θ͠ΘྠಡձWJTJPO04ΞϓϦ։ൃFUD

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*OTUSVNFOUTͱ͸ ΞϓϦͷύϑΥʔϚϯεɺϦιʔε࢖༻ྔɺಈ࡞Λ෼ੳ͢ΔπʔϧͰ͢ɻ *OTUSVNFOUTΛ׆༻͢Δ͜ͱͰɺԠ౴ੑΛ޲্ͤ͞ɺϝϞϦ࢖༻ྔΛ࡟ݮ͠ɺ ෳࡶͳಈ࡞Λ࣌ؒͷܦաͱͱ΋ʹ෼ੳ͢Δ͜ͱ͕Ͱ͖·͢ɻ *OTUSVNFOUT5VUPSJBMIUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUT "OBMZ[FIBOHTXJUI*OTUSVNFOUTIUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED

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*OTUSVNFOUTΛ࢖༻ͯ͠ ΞϓϦͷϋϯάΞοϓΛղফ͠Α͏ʂ

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ϋϯάΞοϓͱ͸ ϢʔβʔΠϯλϥΫγϣϯͷॲཧʹݦஶͳ஗Ԇ͕ൃੜ͢Δ৔߹ɺԠ౴ͷͳ͍ঢ় ଶΛϋϯάΞοϓͱݺͿɻ ཧ૝తʹ͸ϝΠϯεϨουͰͷ࡞ۀ͸ϛϦඵҎ্தஅ͞Εͣʹ࣮ߦ͢Δඞ ཁ͕͋Δɻ *OTUSVNFOUT͸5JNF1SP fi MFSͰ͸ϛϦඵΛ௒͑Δϋϯά͕ݕग़͞ΕΔɻ

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ϋϯάͷछྨ ϝΠϯεϨουͷதஅ ϋϯά ϝΠϯεϨου͕ #VTZঢ়ଶ ϝΠϯεϨου͕ #MPDLFEঢ়ଶ ΞϓϦ͕ৗʹσʔλΛॲཧ͓ͯ͠Γɺ $16࢖༻཰͕ߴ͍ঢ়ଶ ϝΠϯεϨουͷॲཧ͕ఀࢭ͠ɺ୅ΘΓʹ ଞͷεϨουʹ$16ΞΫηεΛ༩͍͑ͯΔঢ়ଶ

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*OTUSVNFOUTͷ࢖༻ํ๏ 1SPEVDU1SP fi MF γϣʔτΧοτɿDPNNBOE* ςϯϓϨʔτબ୒΢Οϯυ΢Λදࣔ ࢖༻͢ΔπʔϧΛબ୒

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*OTUSVNFOUT5VUPSJBMTͷϋϯάྫ IUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUTJEFOUJGZJOHBIBOH

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ϋϯάͷಛఆ 5ime Pro fi ler τϥοΫͰ͸ CPU ࢖༻཰͕๮άϥϑͰදࣔ͞ΕɺHangs τϥοΫͰ͸ϋϯά͕ൃ ੜִ͕࢛ͨؒ֯͠ܗͰࣔ͞ΕΔɻ Tͷϋϯά

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ϋϯάͷಛఆ ϝΠϯεϨουͷCPU࢖༻཰͕ߴ͍ ϝΠϯεϨου͕ #VTZঢ়ଶ $16Λ௕࣌ؒ࢖༻ $16ΛԿ౓΋࢖༻ 03

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ϝΠϯεϨουͷ෼ੳ τϥοΫબ୒ͱ࣌ؒϑΟϧλʔ ͷ྆ํΛ૊Έ߹Θͤɺϋϯάͷঢ়ଶͰ ϝΠϯεϨουͰԿ͕ى͍ͬͯ͜Δ͔ ෼ੳͯ͠ΈΑ͏ʂ

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ϝΠϯεϨουͷ෼ੳ $BMM5SFF✅)JEF4ZTUFN-JCSBSJFT γεςϜϥΠϒϥϦΛඇදࣔʹ͠ɺ 9DPEFͷίʔυͷ֘౰ՕॴΛ ෼ੳ͠΍͘͢͢Δ

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ϝΠϯεϨουͷ෼ੳ 5IVNCOBJM7JFXͷϘσΟήολʔͷݺͼग़͠ ʹCPU࣌ؒͷ%අ΍͞Ε͍ͯΔɻ ͜Ε͕ϋϯάͷݪҼͰ͋Δɻ

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ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ ɾॲཧྔΛݮΒ͢ ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢

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ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ ɾॲཧྔΛݮΒ͢ ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢

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ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ 7JFX#PEZ*OTUSVNFOUTΛ௥Ճ 7JFXͷήολʔͷ࣮ߦස౓Λௐ΂Δ

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ϋϯάΛमਖ਼ 5IVNCOBJM7JFXͷbodyͷ࣮ߦʹ ̍ճ͋ͨΓNT 129ճ߹ܭͰT͔͔͍ͬͯΔ 129ճͷbodyͰͷը૾ͷݺͼग़͠͸ଟ͗͢Δ

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ϋϯάΛमਖ਼ )BOHTˠT

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ϋϯάΛमਖ਼ ࣮ߦස౓ͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ ɾॲཧྔΛݮΒ͢ ɾόοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢

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ϋϯάΛमਖ਼ όοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢

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ϋϯάΛमਖ਼ όοΫάϥ΢ϯυεϨουʹॲཧΛҠ͢ ϋϯά͕ղফͰ͖·ͨ͠🙌 TˠNT

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ࢀߟจݙ *OTUSVNFOUT5VUPSJBMIUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUT "OBMZ[FIBOHTXJUI*OTUSVNFOUTIUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED 4XJGU6*ͷ͝঺հIUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED 4XJGU6*ͷجຊIUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED 4XJGU6*ʹ͓͚Δσʔλͷॏཁࣄ߲IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED 4XJGU6*ͷపఈղઆIUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED 4XJGU6*ͷύϑΥʔϚϯεΛղ໌IUUQTEFWFMPQFSBQQMFDPNKQWJEFPTQMBZXXED