音の出るCPUを作っている途中

2021/03/20の「Kernel/VM探検隊online part2」で発表したものです。
https://connpass.com/event/201059/
https://www.youtube.com/watch?v=brrm328XItM&t=2621s

Transcript

1. KOBA789
   Իͷग़ΔCPU
   Λ࡞͍ͬͯΔ్த
   

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2. ·ͣ༧๷ઢΛுΒͤͯ͘Εʂ
   
   
   ͜Ε͸ٳܜλΠϜͩʂʂʂʂʂ
   

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3. KOBA789
   • ύιίϯΦλΫ
   
   • ࠷ऴֶྺߴଔ
   
   • ݱࡏແ৬ʢਓੜͷय़ٳΈʣ
   
   • ࣗ࡞ DBMS ੎
   Ͱɺ୭ʁ
   

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4. https://diary.hatenablog.jp/entry/2020/11/16/222203
   

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5. ࣗ࡞DBMSͷ࿩͸͠·ͤΜ
   

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6. CPUͷ࿩΋͠·ͤΜ
   

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7. ࠓ೔ͷ಺༰
   • ʢͳΜΒ͔ͷʣγϛϡϨʔλͷ࿩
   
   • WebAssemblyʢΛ࢖͏ଆʣͷ࿩
   
   • WebGL ͷ࿩
   
   • Rust ͷ࿩
   ͥΜͿଞͷొஃऀ͕ৄ͘͠

   ஻ͬͯ͘ΕΔΜ͡Όͳ͍͔ʁ
   

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8. ۙ೥ࣗ࡞ CPU ͕Ξπ͍ CPUΛࣗ࡞ͨ͜͠ͱ͕͋Γ·͔͢
   50% 50%
   ͸͍ ͜Ε͔Β࡞Δ
   ※׬શͳໝ૝ͱओ؍ʹجͮ͘σʔλ
   Զ΋࡞Γ͍ͨ
   

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9. ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ
   ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ
   

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10. ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ
    ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ
    ৗࣝ
    

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11. ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ
    ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ
    ৗࣝ
    ͸ͨͯ͠
    

    ͦ͏ͩΖ͏͔
    

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12. CPU͸൒ಋମҎ֎Ͱ΋࡞ΕΔ
    ࿦ཧճ࿏Λߏ੒Ͱ͖Ε͹
    

    ૉࢠ͸ͳΜͰ΋͍͍
    ͔ͷ༗໊ͳ&/*"$͸ਅۭ؅
    

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13. ͦ΋ͦ΋
    ൒ಋମͰ࡞ͬͨ$16͸
    

    ಈ͍͍ͯΔͷ͔Ͳ͏͔Α͘Θ͔Βͳ͍
    େࣄͳܭࢉΛ͍ͯ͠Δͷʹ
    

    ౒ྗ͕ײ͡ΒΕͣɺ͚͔͠ΒΜ
    

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14. View Slide

15. ͜͜ʹɺ
    

    খֶੜͷͱ͖ʹळ݄Ͱങͬͨ
    

    ϦϨʔ͕ݸ͋Δ
    

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16. ͜ͷϦϨʔͰ$16Λ࡞Ζ͏
    

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17. ϦϨʔͱ͸
    ి࣓ੴͰమ൘͕
    

    ٵ͍دͤΒΕΔ
    

    ૉ๿ͳ࢓૊Έ
    εΠονϯάૉࢠͷͻͱͭ
    

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18. ϦϨʔͱ͸
    ෺ཧతͳՄಈ෦͕͋ΔͷͰ
    

    ಈ࡞Ի͕͢Δ
    ָ͍͠ʂʂ
    

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19. ϦϨʔಛ༗ͷࠔΓ͝ͱ
    • ௨ৗͷ࿦ཧճ࿏΄Ͳ஌ݟ͕ڞ༗͞Ε͍ͯͳ͍
    
    • ࿦ཧѹॖͷίπͱ͔Θ͔Βͳ͍
    
    • ։ൃʹศརͳπʔϧͳͲ΋ϩΫʹͳ͍
    
    • γϛϡϨʔλͱ͔ͳ͍
    
    • ͕Μ͹ͬͯϋϯμ෇͚ͯ͠ಈ͔ͳ͔ͬͨΒͱͯ΋൵͍͠
    

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20. ·ͣ͸ճ࿏$"%Λ࡞Ζ͏ʂ
    $"%Λ࡞Δͷָ͕ͯ͘͠$16Λ࡞ΔͷΛ๨Εͨ
    

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21. ͜͜Ͱࢥ͍ग़͢γϦʔζ
    

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22. https://www.youtube.com/watch?v=KiHpyP5UhyE
    

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23. ೥લʹ΋ಉ͡Α͏ͳൃදΛ͍ͯ͠Δ
    https://www.youtube.com/watch?v=KiHpyP5UhyE
    

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24. https://www.youtube.com/watch?v=jYJ31SrxCEE
    

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25. https://www.youtube.com/watch?v=jYJ31SrxCEE
    ཌ೥ʹ΋ಉ͡Α͏ͳ
    

    ൃදΛ͍ͯ͠Δʂʂ
    

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26. ࡾ౓໨ͷਖ਼௚
    

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27. ࠓճ͸࢖͍ͮΒ͍
    

    γϛϡϨʔλ͚ͩͰͳ͘ɺ
    

    $"%΋࡞ͬͨ
    

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28. ͓඼ॻ͖
    • γϛϡϨʔλΛ࡞Δ
    
    • Ͳ͏΍ͬͯϦϨʔճ࿏ͷγϛϡϨʔγϣϯΛ͢Δ͔
    
    • CADΛ࡞Δ
    
    • ճ࿏CADΛ60fpsͰψϧψϧಈ͔͢
    
    • Rust, WebAssembly, WebGL……
    
    • σϞ
    CPU࡞Δͱ͜Ζ·Ͱ͸

    ؒʹ߹Θͳ͔ͬͨͶ
    

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29. γϛϡϨʔλΛ࡞Δ
    

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30. ి࣓ϦϨʔͷճ࿏
    • ίΠϧͱ઀఺Λͭͳ͍Ͱ࡞Δ
    
    • ίΠϧͷยଆ͸ඞͣGNDʹ͢Δ
    
    • ઈରʹγϣʔτ͠ͳ͘ͳΔ
    
    • γϛϡϨʔλ΋࡞Γ΍͍͢
    ίΠϧ ઀఺
    

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31. ి࣓ϦϨʔͷճ࿏
    • ճ࿏
    
    • ͭ·Γάϥϑ
    
    • ిؾ͕ྲྀΕΔ
    
    • ͭ·Γ࿈݁੒෼
    

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32. ి࣓ϦϨʔͷճ࿏
    ࿈݁੒෼ʹ
    

    ిݯ͕͋Δ͔
    

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33. ͱ͍͏Α͏ͳ͜ͱΛRustͰద౰ʹॻ͘
    

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34. CADΛ࡞Δ
    

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35. CADʹٻΊΔ΋ͷ
    • ॻ͍ͨճ࿏ਤ͕ͦͷ··ಈ͍ͯ΄͍͠
    
    • ಈ͘ճ࿏ਤΛ௚઀৮ͬͯ༡ͼ͍ͨ
    
    • ڊେͳճ࿏ਤͰ΋60fpsͰψϧψϧಈ͍ͯཉ͍͠
    
    • ճ࿏ن໛͕େ͖͘ͳͬͯ΋γϛϡϨʔγϣϯ͸ͳΊΒ͔ʹ
    

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36. ΠϚυΩͷGUIͱ͍͑͹ϒϥ΢β
    ReactͱTypeScriptͰόʔϯͩͥʁ
    • ཁૉ਺͕૿͑ͯ͘ΔͱDOMͰ͸஗͗͢Δ
    
    • TypeScript(JavaScript)Ͱ࠲ඪܭࢉΛ͠·͘ΔίʔυΛॻ͘ͷ͸

    ͋·ΓʹΩπ͍
    
    • ԋࢉࢠͷΦʔόʔϩʔυ͕ͳ͍ͷͰඇৗʹ໨ʹѱ͍ίʔυʹ
    
    • ͋ͱɺ΍ͬͺ஗͍
    

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37. RustͰ
    

    WebAssemblyͰ
    

    WebGLͩʂ
    

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38. WebGLͱ͸
    ߴϨΠϠͳͷͰҰԠ
    • JavaScript͔ΒOpenGLͷΑ͏ͳ΋ͷ͕ୟ͚ΔAPI
    
    • ༨ܭͳ΋ͷ͕ʢൺֱతগͳ͘ʣ଎͍
    
    • ΄΅OpenGL͕ͦͷ··࿐ग़͍ͯ͠Δ
    
    • JSͷΑ͏ͳεΫϦϓτݴޠͱͷ૬ੑ͸࠷ѱ
    
    • ͜ΕΛJSͰ࢖͏ਓ͸͔ͳΓ೜଱ྗ͕͋Δ
    
    • RustͰ࢖͏΂͖
    

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39. WebGL(OpenGL)Ͱ2DάϥϑΟοΫε
    • OpenGLͰ͸͝ଘ͡ͷͱ͓Γࡾ֯ܗ͔͠ॻ͚ͳ͍
    
    • ԁʁͱ͔ॻ͚ͳ͍
    
    • ઢ෼΋ࡾ֯ܗΛ2ຕ࢖͏
    
    • จࣈ΋ॻ͚ͳ͍
    
    • ؾ߹͍Ͱશ෦࣮૷͢Δ
    
    • 60fpsͷͨΊͱࢥ͑͹ͭΒ͘ͳ͍
    

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40. Immediate mode GUI
    • εςʔτϨεͰɺຖϑϨʔϜશ෦ඳ͖௚͢
    
    • ϏοτϚοϓΛࠩ෼Ͱ࢖͍ճͨ͠Γ͠ͳ͍
    
    • ήʔϜΤϯδϯͳͲͱ૬ੑͷ͍͍GUIΞʔΩςΫνϟ
    
    • Dear ImGui΍UnityͷIMGUI͕༗໊
    
    • ࠓճͷCADͰ΋͜ΕΛ࠾༻
    

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41. ຖϑϨʔϜඳ͍ͨΒ஗͘ͳ͍ͷ͔
    • ݱ୅ͷGPUࣗମ͸௒଎͍
    
    • GPU͸CPU͔ΒRPCͰૢ࡞͢Δ
    
    • RPCͷίϚϯυൃߦ͕࣌ؒ৯͏
    
    • ίϚϯυ਺Λ࡟Ε͹Ξϗ΄Ͳ଎͍
    
    • ͍Ζ͍ΖςΫ͕͋Δ
    

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42. σϞ
    

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43. ࠓޙͷເ
    • subleqͷΑ͏ͳʢ໋ྩηοτ͕ʣখ͍͞ΞʔΩςΫνϟΛ࣮૷ͯ͠Έ͍ͨ
    
    • ωοτϦετ͸ు͚ΔΑ͏ʹͨ͠ͷͰɺ

    ϓϦϯτج൘ͷΞʔτϫʔΫΛ͓࣮ͯ͜͠ػΛ࡞Γ͍ͨ
    

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