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KOBA789 Իͷग़ΔCPU Λ࡞͍ͬͯΔ్த

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·ͣ༧๷ઢΛுΒͤͯ͘Εʂ ͜Ε͸ٳܜλΠϜͩʂʂʂʂʂ

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

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

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ࣗ࡞DBMSͷ࿩͸͠·ͤΜ

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CPUͷ࿩΋͠·ͤΜ

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ࠓ೔ͷ಺༰ • ʢͳΜΒ͔ͷʣγϛϡϨʔλͷ࿩ • WebAssemblyʢΛ࢖͏ଆʣͷ࿩ • WebGL ͷ࿩ • Rust ͷ࿩ ͥΜͿଞͷొஃऀ͕ৄ͘͠
 ஻ͬͯ͘ΕΔΜ͡Όͳ͍͔ʁ

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

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ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ

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ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ ৗࣝ

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ʮCPU ͷݪྉͬͯγϦίϯͳΜͰ͢Αʂɹ ҙ֎ʹ͜Ε஌ΒΕͯͳ͍ΜͰ͚͢Ͳʯ ৗࣝ ͸ͨͯ͠ 
 ͦ͏ͩΖ͏͔

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CPU͸൒ಋମҎ֎Ͱ΋࡞ΕΔ ࿦ཧճ࿏Λߏ੒Ͱ͖Ε͹ 
 ૉࢠ͸ͳΜͰ΋͍͍ ͔ͷ༗໊ͳ&/*"$͸ਅۭ؅

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ͦ΋ͦ΋ ൒ಋମͰ࡞ͬͨ$16͸ 
 ಈ͍͍ͯΔͷ͔Ͳ͏͔Α͘Θ͔Βͳ͍ େࣄͳܭࢉΛ͍ͯ͠Δͷʹ 
 ౒ྗ͕ײ͡ΒΕͣɺ͚͔͠ΒΜ

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No content

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͜͜ʹɺ 
 খֶੜͷͱ͖ʹळ݄Ͱങͬͨ 
 ϦϨʔ͕ݸ͋Δ

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͜ͷϦϨʔͰ$16Λ࡞Ζ͏

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ϦϨʔͱ͸ ి࣓ੴͰమ൘͕ 
 ٵ͍دͤΒΕΔ 
 ૉ๿ͳ࢓૊Έ εΠονϯάૉࢠͷͻͱͭ

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ϦϨʔͱ͸ ෺ཧతͳՄಈ෦͕͋ΔͷͰ 
 ಈ࡞Ի͕͢Δ ָ͍͠ʂʂ

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

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·ͣ͸ճ࿏$"%Λ࡞Ζ͏ʂ $"%Λ࡞Δͷָ͕ͯ͘͠$16Λ࡞ΔͷΛ๨Εͨ

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͜͜Ͱࢥ͍ग़͢γϦʔζ

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

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

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

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

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ࡾ౓໨ͷਖ਼௚

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ࠓճ͸࢖͍ͮΒ͍ 
 γϛϡϨʔλ͚ͩͰͳ͘ɺ 
 $"%΋࡞ͬͨ

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

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γϛϡϨʔλΛ࡞Δ

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

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

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ి࣓ϦϨʔͷճ࿏ ࿈݁੒෼ʹ 
 ిݯ͕͋Δ͔

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ͱ͍͏Α͏ͳ͜ͱΛRustͰద౰ʹॻ͘

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CADΛ࡞Δ

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

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ΠϚυΩͷGUIͱ͍͑͹ϒϥ΢β ReactͱTypeScriptͰόʔϯͩͥʁ • ཁૉ਺͕૿͑ͯ͘ΔͱDOMͰ͸஗͗͢Δ • TypeScript(JavaScript)Ͱ࠲ඪܭࢉΛ͠·͘ΔίʔυΛॻ͘ͷ͸
 ͋·ΓʹΩπ͍ • ԋࢉࢠͷΦʔόʔϩʔυ͕ͳ͍ͷͰඇৗʹ໨ʹѱ͍ίʔυʹ • ͋ͱɺ΍ͬͺ஗͍

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RustͰ 
 WebAssemblyͰ 
 WebGLͩʂ

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

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

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

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

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σϞ

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ࠓޙͷເ • subleqͷΑ͏ͳʢ໋ྩηοτ͕ʣখ͍͞ΞʔΩςΫνϟΛ࣮૷ͯ͠Έ͍ͨ • ωοτϦετ͸ు͚ΔΑ͏ʹͨ͠ͷͰɺ
 ϓϦϯτج൘ͷΞʔτϫʔΫΛ͓࣮ͯ͜͠ػΛ࡞Γ͍ͨ