Rubyで機械学習が出来る未来を目指すRed Data Toolsの現状と今後について

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RubyͰػցֶश͕ग़དྷΔ ະདྷΛ໨ࢦ͢Red Data Toolsͷ ݱঢ়ͱࠓޙʹ͍ͭͯ by Yusaku Hatanaka @RubyWorld Conference 2017 1

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self.intoroduction { name: "Yusaku Hatanaka", twitter: "@hatappi", github: "hatappi", hatena: "hatappi1225", company: "Speee, Inc." languages: %w(ruby go python), icon: "ɹ " } 2

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ࣗݾ঺հ w ാத༔࡞ w 5XJUUFSɺ(JUIVCIBUBQQJ  ͸ͯͳϒϩάIBUBQQJ w גࣜձࣾ4QFFF w σδλϧίϯαϧςΟϯάࣄۀຊ෦  ΞυςΫࣄۀ෦6;06ࣄۀ w 6;06ࣄۀΤϯδχΞ

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 4

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 5

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6 RubyͰ ػցֶश͍ͨ͠ʂ

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7 ػցֶशʹݶΒͣ σʔλ෼ੳʹ͓͍ͯ σʔλ࿈ܞ͸ඞཁͱͳΔ

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8 σʔλ࿈ܞͱ͍͏ͱ JSON΍CSV ??

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JSON΍CSV ϑΝΠϧͰͷ΍ΓͱΓ͚ͩͰͳ͘APIͰͷϦΫΤε τɾϨεϙϯεͳͲͰ࢖༻͞ΕΔ 9 PythonͰग़ྗͨ͠CSVΛRubyͰಡΈࠐΉྫ write: 0.8009s read: 0.1227s

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CSV΍JSONͰ  େ͖ͳσʔλΛॲཧ ಛఆͷྻͰूܭॲཧΛ͍ͨ͠৔߹Ͱ΋  Ұ౓͢΂ͯΛಡΈࠐΉඞཁ͕͋ΔͷͰ  େ͖ͳσʔλΛॲཧ͢Δʹ͸ݶք͕͋Δ 10 ػցֶशͰ͸਺ඦສͷେ͖ͳσʔληοτΛ࢖͏͜ͱ΋  ͋ΔͷͰେ͖ͳσʔλΛѻ͑ΔΑ͏ʹͳΓ͍ͨ

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11 Apache Parquet

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Apache Parquetͱ͸ • ΧϥϜܕͷσʔλϑΥʔϚοτ • શ෦ΛಡΈࠐ·ͣͱ΋σʔλͷҰ෦ΛऔΓग़ͤΔ • ྫ͑͹ಛఆͷྻΛऔΓग़ͯ͠ूܭ͢Δ • αΠζ͕খ͍͞ • ΧϥϜͰσʔλΛ֨ೲ͢ΔͨΊಉ͡ܕͷσʔλΛѹॖ͢ Δ͜ͱ͕ग़དྷΔ 12 େ͖ͳσʔλΛॲཧͯ͠อଘ͢Δ͜ͱʹ޲͍͍ͯΔ

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Apache Parquet 13 PythonͰग़ྗͨ͠ParquetΛRubyͰಡΈࠐΉྫ write: 0.1390s read: 0.0422s

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14 େྔͷσʔλΛ ѻ͑ΔΑ͏ʹͳͬͨ

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ෳ਺ͷγεςϜؒͰͷ σʔλΛ࿈ܞ Parquet͸σʔλΛѹॖ͢ΔͨΊσʔλॲཧ͢Δաఔ Ͱෳ਺γεςϜؒͰσʔλ࿈ܞΛߦ͏ࡍ͸ͦΕΛݩʹ ໭͢Φʔόʔϔου͕ੜ͡Δ 15 γʔϜϨεʹγεςϜؒͰσʔλ࿈ܞ͍ͨ͠!

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16 Apache Arrow

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Apache Arrowͱ͸ • ΠϯϝϞϦͰΧϥϜܕσʔλΛѻ͏ͨΊͷϑΥʔϚοτͱΞϧΰ ϦζϜ • γϦΞϥΠζɾσγϦΞϥΠζίετ͕΄΅0 • σʔλΛ౉͢ଆ΋ड͚औΔଆ΋CPUΛ࢖Θͳ͍ • θϩίϐʔ • σʔλΛड͚औΔଆ͸ϝϞϦίϐʔʹ࣌ؒΛ࢖Θͳͯ͘΋Α͍ 17 σʔλަ׵ʹΉ͍͍ͯΔ

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Apache Arrow 18 PythonͰग़ྗͨ͠ParquetΛRubyͰಡΈࠐΉྫ write: 0.0775s read: 0.0074s

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19 1ZUIPOͰͷॻ͖ࠐΈ T 3VCZͰͷಡΈࠐΈ T $47 "QBDIF1BSRVFU "QBDIF"SSPX 5000Ϩίʔυʹର͢Δ ಡΈॻ͖ൺֱ·ͱΊ

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Apache Arrow͕ͳ͍࣌ 20

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Apache Arrow͕͋Δ࣌ 21

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RubyͰParquetΛѻ͑Δͱ 22 ෳ਺ͷγεςϜؒ͸"QBDIF "SSPXͰσʔλΛ࿈ܞΛߦ͍ σʔλ෼ੳΛߦ͏ ParquetΛѻ͏͜ͱͰσʔλͷ࿈ܞ͸ग़དྷͨ  ͔͠͠RubyͰσʔλ෼ੳ͕͍ͨ͠ʂʂʹ͸ಧ͔ͳ͍

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RubyͰArrowΛѻ͑Δͱ 23 ෳ਺ͷγεςϜؒ͸"QBDIF "SSPXͰσʔλΛ࿈ܞΛߦ͍ σʔλ෼ੳΛߦ͏ RubyͰσʔλॲཧͷҰ෦Λ୲͏͜ͱ͕ग़དྷΔ!!

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3VCZͰ"SSPXΛѻ͑Δͱ 24 "QBDIF"SSPXʹରԠ͢Δ͜ͱͰඞཁͳ෦෼͔Β 3VCZΛ࢖ͬͨσʔλ෼ੳΛ͸͡ΊΔ͜ͱ͕ग़དྷΔ w 3VCZͰूΊͨσʔλΛ"QBDIF"SSPXʹରԠͯ͠ ͍Δ1BOEBT΍4QBSLʹ࿈ܞ͠෼ੳͨ݁͠ՌΛ3VCZ Ͱड͚औͬͯ3BJMTΛ࢖ͬͨXFCΞϓϦͰՄࢹԽ w ޙʹ1BOEBT΍4QBSL෦෼Λঃʑʹ3VCZ΁Ҡߦ͢ Δ͜ͱ΋ग़དྷΔ ྫ

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 26

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Red Data Tools • גࣜձࣾΫϦΞίʔυͷਢ౻͞Μ͕2017೥2݄ʹ ϓϩδΣΫτΛઃཱ • Ruby༻ͷσʔλॲཧπʔϧΛఏڙ͢Δ͜ͱΛ໨త ͱͨ͠ϓϩδΣΫτ • ଟ͘ͷݴޠ͕ڞ௨ͯ͠࢖༻Ͱ͖ΔApache ArrowΛ ࢖༻͢Δ͜ͱͰRubyίϛϡχςΟʔΛ௒͑ͯڠྗ ͢Δ 27

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 28

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ݱঢ়ͷऔΓ૊Έ • Red Arrow • طଘgemͷArrowରԠ • ৽͍͠πʔϧΛఏڙ 29

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ݱঢ়ͷऔΓ૊Έ • Red Arrow • طଘgemͷArrowରԠ • ৽͍͠πʔϧΛఏڙ 30

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Red Arrow w "QBDIF"SSPXͷ3VCZόΠϯσΟϯά w (JU)VCSFEEBUBUPPMTSFEBSSPX w "SSPX(-JCͱHPCKFDUJOUSPTQFDUJPOΛ࢖ͬͯ "QBDIF"SSPXͷόΠϯσΟϯάΛ࣮ݱ͍ͯ͠Δ 31

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ݱঢ়ͷऔΓ૊Έ • Red Arrow • طଘgemͷArrowରԠ • ৽͍͠πʔϧΛఏڙ 32

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SciRubyɾRuby Numo • Պֶٕज़ܭࢉɺσʔλՄࢹԽ༻్ͷGem܈Λ։ൃ ͍ͯ͠ΔϓϩδΣΫτ • σʔλϑϨʔϜΛѻ͑Δdaru΍ߦྻܭࢉ͕ग़དྷΔ numo-narryͳͲ͕͋Δ • ֤༻్Ͱݸผͷgem͸ଘࡏ͢Δ͔Β  ͦΕΒ͕࿈ܞͰ͖ΔΑ͏ʹͳΔͱ  ΋ͬͱΑ͍ʂ 33

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PyCall • @mrkn͞Μ͕࡞੒͞Ε͍ͯΔRubyͱPythonͷϒ ϦοδϥΠϒϥϦ • PythonͰ࡞੒͞Εͨطଘͷࢿ࢈Λ࢖ͬͯ  PythonͷΦϒδΣΫτΛ  RubyͰ࢖༻͢Δ͜ͱ͕ग़དྷΔ 34

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طଘgemͷArrowରԠ 35 4DJ3VCZ 1Z$BMM "QBDIF"SSPXʹରԠͤ͞Δ͜ͱͰ طଘͷHFNΛ࢖༻ͯ͠σʔλ෼ੳΛ͸͡ΊΒΕΔ 3VCZ/VNP

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ݱঢ়ͷऔΓ૊Έ • Red Arrow • طଘgemͷArrowରԠ • ৽͍͠πʔϧΛఏڙ 36

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Red Chainer • ChainerΛRuby΁ϙʔςΟϯάͨ͠΋ͷ • ChainerͷΫϥε΍ύϥϝʔλͷ࣋ͪํΛࢀߟʹ RubyͰॻ͘͜ͱͰ0͔Β࡞ΔͷͰ͸ͳ͘طଘͷࢿ࢈ Λ׆͔ͯ͠࡞Δ͜ͱ͕ग़དྷΔ • ಺෦ͷ഑ྻʹ͸Apache ArrowʹରԠͨ͠numo- narrayͤ͞Δ͜ͱͰApache Arrowܗࣜʹม׵͢Δ ͜ͱ΋Մೳ 37

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38 MNIST

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 39

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Red Data Toolsͷࠓޙ • Ҿ͖ଓ͖طଘͷgemͷAapche Arrow΁ͷରԠ͸ߦ ͏ • Red ChainerͷΑ͏ͳ৽͍͠πʔϧͷ࡞੒ 40 3VCZؒͰσʔλ෼ੳ͕ ग़དྷΔΑ͏ʹͳΓ͍ͨ

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Red Data Toolsͷࠓޙ Apache Arrowຊମ΁ͷ։ൃ΁ͷࢀՃ 41 "QBDIF"SSPX $ FUD

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Agenda • Rubyʹ͓͚Δػցֶशͷݱঢ়ʹ͍ͭͯ • Red Data Toolsʹ͍ͭͯ • ݱঢ়ͷऔΓ૊Έ • ະདྷʹ͍ͭͯ • ·ͱΊ 42

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·ͱΊ w "QBDIF"SSPXʹରԠ͢Δ͜ͱͰඞཁͳ෦෼͔Β 3VCZͰσʔλ෼ੳΛ͸͡ΊΔ͜ͱ͕ग़དྷΔ w গͮͭ͠Ͱ΋3VCZͰσʔλ෼ੳ͕ग़དྷΔະདྷ΁ʂ 43

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44 ࠂ஌

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։ൃΠϕϯτ΍ͬͯ·͢ 45 w ຖ݄ճͷఆظ։࠵ w ৔ॴ͸4QFFFͰߦͬͯ·͢!౦ژ࿡ຊ໦ w σʔλ෼ੳ͜Ε͔ΒͷਓͰ΋ͲͳͨͰ΋0,Ͱ͢ʂ

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Gitter 46 w ೔ຊޠɹIUUQTHJUUFSJNSFEEBUBUPPMTKB w &OHMJTIIUUQTHJUUFSJNSFEEBUBUPPMTFO