Lightning Talk @ Chainer Meetup

Transcript

1. Lightning Talk@
   
   Chainer Meetup
   
   by sinhrks
   

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2. ࣗݾ঺հ
   • ϝʔΧʔʹͯσʔλ෼ੳ
   
   • OSS ׆ಈ:
   
   • PyData Development Team (pandasίϛολ)
   
   • Blaze Development Team (Daskίϛολ)
   
   • NumPyαϒηοτͷฒྻ෼ࢄndarrayͷ࣮૷͋Γ
   
   • GitHub: https://github.com/sinhrks
   

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3. Chainer ͷར༻৔໘
   • ֶࣗࣗश
   
   • ۀ຿Ͱͷ Deep Learning ׆༻͸ͳ͠
   

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4. Chainer ͷྑ͍ͱ͜Ζ
   • ڧ͍ํ͕࡞͍ͬͯΔ
   
   • ϨΠϠఆ͕ٛ௚઀తͰ໌ྎ
   
   • ಺෦ͷ࣮૷͕ಡΈ΍͍͢
   

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5. Chainer ͷվળ఺
   • ֶशશମͷॲཧΛ౎౓هड़͢Δඞཁ͕͋Δ
   
   • ҎԼͷΑ͏ͳఆ൪ॲཧͷͨΊͷ؆қه๏(ؔ਺/Ϋ
   ϥε)͕ཉ͍͠
   
   • ॳճͷΈάϥϑग़ྗ
   
   • epoch ͝ͱͷଛࣦ
   
   • early stopping
   
   • ՄࢹԽ
   

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6. Chainer ͷ
   
   ՄࢹԽπʔϧ࡞Γ͍ͨ
   

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7. ֓ཁ
   • ֶशͷϞχλϦϯά
   
   • Computational Graph
   
   • ॏΈߦྻ (ະணख)
   
   • ͳͲΛɺϦϞʔτ (Jupyter / Webϒϥ΢β) ͔Β
   ֬ೝ͍ͨ͠
   
   • →Bokeh
   

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8. ֶशͷϞχλϦϯά
   • ͪ͜ΒͷϒϩάΤϯτϦͷ಺༰
   import chainer_vis.visualizer as visualizer
   iv = visualizer.JupyterVisualizer()
   monitor = iv.get_classification_monitor()
   for …
   monitor.update(test_loss=loss, test_accuracy=acc)
   

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