Swift compile time is so slow

by Masato Oshima

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Swift compile time is so slow Potatotips #21

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Masato Oshima github.com/mpon @_mpon ಢ໦ݝ๕լ܊ग़਎ iOS Developer

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νʔϜମ੍

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w ΤϯδχΞ͸ਓ w Πϯϑϥʢֻ͚࣋ͪʣ w αʔόʔ w "OESPJE w J04 w ϑϩϯτΤϯυ ॴଐνʔϜͷମ੍

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Swift 1.2

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%%%υϝΠϯۦಈઃܭ

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"OESPJE

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7JFX$POUSPMMFS J04 7JFX

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7JFX$POUSPMMFS J04 7JFX

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7JFX$POUSPMMFS J04 7JFX ʮϘλϯΛԡͨ͠ʯͱ͍͏ςετ͸೉͍͠ɻ Ͱ΋ɺϘλϯΛԡͨ͠ͱ͖ͷʮॲཧʯ͸ ςετՄೳ

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7JFX$POUSPMMFS J04 7JFX %FMFHBUF

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EFMFHBUFͷॲཧ͚ͩ Λ·ͱΊΒΕΔͷͰ Մಡੑ

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4UPSZCPBSE 7JFX$POUSPMMFS

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ͦΜͳ͜ΜͳͰ ͦΕ΄ͲϠόΠ$POqJDU΋ͳ͘ Ϣχοτςετ΋ॻ͖ͭͭ ίʔυϨϏϡʔ͠ͳ͕Βͷ ϓϧϦΫӡ༻Ͱ ͳΜͱ͔։ൃͰ͖ͯ·͢

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ຊ౰ʹʁ

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ίϯύΠϧ࣌ؒ ෼ඵ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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$ cat *.swift > God.swift

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ίϯύΠϧ࣌ؒ ඵ

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ͦͷ͔ΘΓɾɾ ΤσΟλ͕ࢮ๢ɾɾ ສߦ͸ແཧ ΍Ͱ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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ਆͷ͓ಋ͖ͷ΋ͱखಈͰҠಈͨ͠

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ίϯύΠϧ࣌ؒ ෼ඵ

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w 4XJGUϑΝΠϧ w 4UPSZCPBSE YJC w $MBTT w &YUFOTJPO w ߹ܭߦ਺ w $MFBO$PNQJMF෼ඵ ͍͍ͩͨͷ౷ܭ৘ใ

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