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Instrumentsを使用した アプリのパフォーマンス向上方法
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hinakko
April 28, 2025
Programming
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Instrumentsを使用した アプリのパフォーマンス向上方法
hinakko
April 28, 2025
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Transcript
*OTUSVNFOUTΛ༻ͨ͠ ΞϓϦͷύϑΥʔϚϯε্ํ๏ ͻͳͬ͜!IJOBLLPHSBTIJ /BHPZBTXJGU
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*OTUSVNFOUTͱ ΞϓϦͷύϑΥʔϚϯεɺϦιʔε༻ྔɺಈ࡞Λੳ͢ΔπʔϧͰ͢ɻ *OTUSVNFOUTΛ׆༻͢Δ͜ͱͰɺԠੑΛ্ͤ͞ɺϝϞϦ༻ྔΛݮ͠ɺ ෳࡶͳಈ࡞Λ࣌ؒͷܦաͱͱʹੳ͢Δ͜ͱ͕Ͱ͖·͢ɻ *OTUSVNFOUT5VUPSJBMIUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUT "OBMZ[FIBOHTXJUI*OTUSVNFOUTIUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED
*OTUSVNFOUTΛ༻ͯ͠ ΞϓϦͷϋϯάΞοϓΛղফ͠Α͏ʂ
ϋϯάΞοϓͱ ϢʔβʔΠϯλϥΫγϣϯͷॲཧʹݦஶͳԆ͕ൃੜ͢Δ߹ɺԠͷͳ͍ঢ় ଶΛϋϯάΞοϓͱݺͿɻ ཧతʹϝΠϯεϨουͰͷ࡞ۀϛϦඵҎ্தஅ͞Εͣʹ࣮ߦ͢Δඞ ཁ͕͋Δɻ *OTUSVNFOUT5JNF1SP fi MFSͰϛϦඵΛ͑Δϋϯά͕ݕग़͞ΕΔɻ
ϋϯάͷछྨ ϝΠϯεϨουͷதஅ ϋϯά ϝΠϯεϨου͕ #VTZঢ়ଶ ϝΠϯεϨου͕ #MPDLFEঢ়ଶ ΞϓϦ͕ৗʹσʔλΛॲཧ͓ͯ͠Γɺ $16༻͕ߴ͍ঢ়ଶ ϝΠϯεϨουͷॲཧ͕ఀࢭ͠ɺΘΓʹ
ଞͷεϨουʹ$16ΞΫηεΛ༩͍͑ͯΔঢ়ଶ
*OTUSVNFOUTͷ༻ํ๏ 1SPEVDU1SP fi MF γϣʔτΧοτɿDPNNBOE * ςϯϓϨʔτબΟϯυΛදࣔ ༻͢ΔπʔϧΛબ
*OTUSVNFOUT5VUPSJBMTͷϋϯάྫ IUUQTEFWFMPQFSBQQMFDPNUVUPSJBMTJOTUSVNFOUTJEFOUJGZJOHBIBOH
ϋϯάͷಛఆ 5ime Pro fi ler τϥοΫͰ CPU ༻͕άϥϑͰදࣔ͞ΕɺHangs τϥοΫͰϋϯά͕ൃ ੜִ͕࢛ͨؒ֯͠ܗͰࣔ͞ΕΔɻ
Tͷϋϯά
ϋϯάͷಛఆ ϝΠϯεϨουͷCPU༻͕ߴ͍ ϝΠϯεϨου͕ #VTZঢ়ଶ $16Λ࣌ؒ༻ $16ΛԿ༻ 03
ϝΠϯεϨουͷੳ τϥοΫબͱ࣌ؒϑΟϧλʔ ͷ྆ํΛΈ߹Θͤɺϋϯάͷঢ়ଶͰ ϝΠϯεϨουͰԿ͕ى͍ͬͯ͜Δ͔ ੳͯ͠ΈΑ͏ʂ
ϝΠϯεϨουͷੳ $BMM5SFF✅)JEF4ZTUFN-JCSBSJFT γεςϜϥΠϒϥϦΛඇදࣔʹ͠ɺ 9DPEFͷίʔυͷ֘ՕॴΛ ੳ͘͢͢͠Δ
ϝΠϯεϨουͷੳ 5IVNCOBJM7JFXͷϘσΟήολʔͷݺͼग़͠ ʹCPU࣌ؒͷ%අ͞Ε͍ͯΔɻ ͜Ε͕ϋϯάͷݪҼͰ͋Δɻ
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ϋϯάΛमਖ਼ ࣮ߦසͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ ɾॲཧྔΛݮΒ͢ ɾόοΫάϥϯυεϨουʹॲཧΛҠ͢
ϋϯάΛमਖ਼ ࣮ߦසͱܧଓ࣌ؒΛଌఆ͢Δ 7JFX#PEZ*OTUSVNFOUTΛՃ 7JFXͷήολʔͷ࣮ߦසΛௐΔ
ϋϯάΛमਖ਼ 5IVNCOBJM7JFXͷbodyͷ࣮ߦʹ ̍ճ͋ͨΓNT 129ճ߹ܭͰT͔͔͍ͬͯΔ 129ճͷbodyͰͷը૾ͷݺͼग़͠ଟ͗͢Δ
ϋϯάΛमਖ਼ )BOHTˠT
ϋϯάΛमਖ਼ ࣮ߦසͱܧଓ࣌ؒΛଌఆ͢Δ͜ͱͰվળํ๏Λߟ͑Δ ɾॲཧྔΛݮΒ͢ ɾόοΫάϥϯυεϨουʹॲཧΛҠ͢
ϋϯάΛमਖ਼ όοΫάϥϯυεϨουʹॲཧΛҠ͢
ϋϯάΛमਖ਼ όοΫάϥϯυεϨουʹॲཧΛҠ͢ ϋϯά͕ղফͰ͖·ͨ͠🙌 TˠNT
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