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Build Time Analyzer
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M
March 04, 2018
Programming
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Build Time Analyzer
ビルド時間の改善
M
March 04, 2018
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Transcript
Ϗϧυ࣌ؒͷվળ 2018/02/23
͡Ίʹ • 2ఔલʹSwiftͷϏϧυ࣌ؒͷ͕͞ʹ • ରࡦํ๏͍͔ͭ͘հ͞Ε͍ͯͨΓͨ͠ • ͍ࣗͱײ͡Δ͜ͱ͋Γࢼͯ͠Έ͍ͨ ͱࢥ͍͕ͬͯͨɺ࣮ࡍʹࢼͨ͜͠ͱͳ͔ͬ ͨ
͡Ίʹ • ϓϩδΣΫτͷίʔυΛݟͨ࣌ʹ͜ΕϠ όͦ͏ͱࢥͬͨ • ࣮ࡍɺͳ͔ͬͨ͘ • ͕࣌ؒͰ͖ͨͷͰࢼͯ͠Έͨ
Ϗϧυ࣌ؒͷܭଌ
શମͷϏϧυ࣌ؒ • defaultsίϚϯυͰXcode্ʹϏϧυ࣌ؒΛද ࣔͰ͖ΔΑ͏ʹઃఆ͢Δ
શମͷϏϧυ࣌ؒ • DerivedDataআ • ΫϦʔϯʢ㵰+⇧+Kʣ • Ϗϧυʢ㵰+Bʣ
શମͷϏϧυ࣌ؒ • DerivedDataআ • ΫϦʔϯʢ㵰+⇧+Kʣ • Ϗϧυʢ㵰+Bʣ
None
ܭଌ༻ͷϏϧυઃఆΦϓγϣϯ -Xfrontend Swift compiler flags
[Build Settings] -> [OTHER_SWIFT_FLAGS] ʹઃఆ
-debug-time-function-bodies • -Xfrontend -debug-time-function-bodies • ϝιουผͷίϯύΠϧ࣌ؒΛଌఆ
-warn-long-function-bodies • -Xfrontend -warn-long-function-bodies=100 • ίϯύΠϧʹ100msҎ্͔͔͍ͬͯΔίʔυΛܯࠂ • Swift3.0Ҏ߱Ͱ༗ޮʁ • কདྷతʹআ͞ΕΔՄೳੑ
• https://github.com/apple/swift/commit/ 18c75928639acf0ccf0e1fb6729eea75bc09cbd5
-warn-long-expression-type- checking • -Xfrontend -warn-long-expression-type- checking=50 • ܕਪʹ50msҎ্͔͔͍ͬͯΔίʔυΛܯࠂ • Xcode9
GM͔Β
None
None
ϓϩδΣΫτ • Swift2.2 & Xcode7.1.1 • -warn-long-function-bodies -warn-long-expression-type-checking ͕͑ͳ͍
Ҏ߱ Swift2.2+Xcode7.1.1 ͰͷௐࠪͰ͢
ϝιουຖͷܭଌ
ܭଌπʔϧ • xcodebuild http://irace.me/swift-profiling • Build Time Analyzer for Xcode
https://github.com/RobertGummesson/BuildTimeAnalyzer-for-Xcode • xcprofiler
ܭଌπʔϧ • xcodebuild http://irace.me/swift-profiling • Build Time Analyzer for Xcode
https://github.com/RobertGummesson/BuildTimeAnalyzer-for-Xcode • xcprofiler
• gem install xcprofiler • Build Settings -> Other Swift
Flagsʹ -Xfrontend -debug-time-function-bodies Λઃఆ • Ϗϧυ • xcprofiler [PRODUCT_NAME or ACTIVITY_LOG_PATH] [options] xcprofiler
xcprofiler
None
ίʔυϕʔεͰͷվળ
ίʔυϕʔεͰͷվળ 1.ܕਪ ʢλΠϓώϯςΟϯάɺClosureɺGenericsʢϝιουνΣΠϯʣʣ 2.݁߹ʢྻɺจࣈྻʣ 3.Closures and lazy properties 4.Ternary Conditional
Operatorʢࡾ߲ԋࢉࢠʣ 5.Nil-Coalescing Operatorʢ??ʣ
ίʔυϕʔεͰͷվળ 1.ܕਪ ʢλΠϓώϯςΟϯάɺClosureɺGenericsʢϝιουνΣΠϯʣʣ 2.݁߹ʢྻɺจࣈྻʣ 3.Closures and lazy properties 4.Ternary Conditional
Operatorʢࡾ߲ԋࢉࢠʣ 5.Nil-Coalescing Operatorʢ??ʣ
ܕਪ λΠϓώϯςΟϯά
None
ྻͷλΠϓώϯςΟϯάΛ ͚Δ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
ܕਪ Closure
None
$MPTVSFʹܕΛ໌ࣔ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
ܕਪ GenericsʢϝιουνΣΠϯʣ
None
ϥΠϒϥϦ3VOFTʹΑΔ ΦϖϨʔλʔͷར༻ΛΊΔ ϝιουνΣΠϯΛΊΔ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
ྻͷ݁߹
Before
ԋࢉࢠΛBQQFOEϝιουʹมߋ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
จࣈྻͷ݁߹
Before
ԋࢉࢠΛΊͯ ΠϯϥΠϯల։ʹมߋ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
ԋࢉࢠΛKPJOϝιουʹมߋ
Ϗϧυ࣌ؒ NT CFGPSF BGUFS ʢ‑ʣ
ίʔυϕʔεҎ֎Ͱͷվળ https://github.com/fastred/Optimizing-Swift- Build-Times
None
·ͱΊ
• ͪΐͬͱͨ͠มߋͰ͔ͳΓͷ͕࣌ؒॖ • ඵʗ630ඵͷॖͳͷͰɺຊʹվળ͞Εͨͷ͔࣮ ײ͕ͳ͍ʢମײతʹϏϧυ࣌ؒ15͙Β͍ʣ • Not Swifty • Swiftݴޠ༷Λ׆͔ͨ͠هड़͕Ͱ͖ͳ͍
• ίʔυྔͷ૿Ճ • ίʔυͷՄಡੑ͕͕͋Δ߹ • ܕΛ໌ࣔ͢Δ͜ͱͰѲ͘͢͠ͳΔ
• Swift2.2+Xcode7.1.1ͷڥͰͷௐࠪͳͷͰɺ ࠓͷ࠷৽ͷSwift4+Xcode9ͷڥͰվળ͞ Ε͍ͯΔͷ͋Δͣ
Swiftyͳίʔυॻ͖ͭͭɺ ۠Γͷ͍͍ͱ͜ΖͰܭଌ͠ ͯΈͯɺۃʹϏϧυʹ࣌ؒ ͕͔͔͍ͬͯΔ߹ίʔυ Λݟͯ͠ΈΔ
Appendix • https://developers.cyberagent.co.jp/blog/archives/7815/ • https://medium.com/@fkei/xcodeͷϏϧυ࣌ؒΛॖ͢Δ ํ๏·ͱΊ-2017-10-20࣌-bea6dc4f9fc0 • https://qiita.com/ruwatana/items/21b25781a2f44ccf29e2 • https://qiita.com/you_matz/items/
e95f30023eccc8d96357 • https://qiita.com/rizumita/items/913b05d799b3712260f6