Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Lightning Talk @ Chainer Meetup

Sinhrks
October 14, 2015

Lightning Talk @ Chainer Meetup

Sinhrks

October 14, 2015
Tweet

More Decks by Sinhrks

Other Decks in Programming

Transcript

  1. Lightning [email protected]

    Chainer Meetup

    by sinhrks

    View Slide

  2. ࣗݾ঺հ
    • ϝʔΧʔʹͯσʔλ෼ੳ

    • OSS ׆ಈ:

    • PyData Development Team (pandasίϛολ)

    • Blaze Development Team (Daskίϛολ)

    • NumPyαϒηοτͷฒྻ෼ࢄndarrayͷ࣮૷͋Γ

    • GitHub: https://github.com/sinhrks

    View Slide

  3. Chainer ͷར༻৔໘
    • ֶࣗࣗश

    • ۀ຿Ͱͷ Deep Learning ׆༻͸ͳ͠

    View Slide

  4. Chainer ͷྑ͍ͱ͜Ζ
    • ڧ͍ํ͕࡞͍ͬͯΔ

    • ϨΠϠఆ͕ٛ௚઀తͰ໌ྎ

    • ಺෦ͷ࣮૷͕ಡΈ΍͍͢

    View Slide

  5. Chainer ͷվળ఺
    • ֶशશମͷॲཧΛ౎౓هड़͢Δඞཁ͕͋Δ

    • ҎԼͷΑ͏ͳఆ൪ॲཧͷͨΊͷ؆қه๏(ؔ਺/Ϋ
    ϥε)͕ཉ͍͠

    • ॳճͷΈάϥϑग़ྗ

    • epoch ͝ͱͷଛࣦ

    • early stopping

    • ՄࢹԽ

    View Slide

  6. Chainer ͷ

    ՄࢹԽπʔϧ࡞Γ͍ͨ

    View Slide

  7. ֓ཁ
    • ֶशͷϞχλϦϯά

    • Computational Graph

    • ॏΈߦྻ (ະணख)

    • ͳͲΛɺϦϞʔτ (Jupyter / Webϒϥ΢β) ͔Β
    ֬ೝ͍ͨ͠

    • →Bokeh

    View Slide

  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)

    View Slide