Chainerboard

Requirements

Ruby
- only with standard library
gnuplot 5.0
- using terminal pngcairo

Usage

chainerboard --log /path/to/chainer/result/log [ --port 20080 ]

and access localhost:20080/.

Chainerboard generates like this:

LogReport format

[
  {
    "epoch": 0,
    "iteration": 100,
    "main/loss_l": 0.18206550180912018,
    "main/acc": 0.33833333333333326,
    "main/loss": 0.32356593012809753,
    "validation/main/loss_l": 0.16721396148204803,
    "validation/main/acc": 0.3473333333333332,
    "validation/main/loss": 0.265784353017807
  },
  {

LogPlot

A HTML page localhost:20080/ shows 2 plots, /log/epoch and /log/iteration.

plot Images

You can wget /log/epoch and /log/iteration directly. These images can accept some query parameters.

xrange
- example: xrange=0.8:1.0
yrange
- example: yrange=0:
xtics
- example: xtics=0.1
ytics
- example: ytics=0.1

cympfh / chainerboard