caffe 多次降学习率设置

在数据量比较大的时候，往往采取多次降学习率进行训练。

例子中 cifar10 就用 traini_full .  

#!/usr/bin/env sh


TOOLS=./build/tools


$TOOLS/caffe train \
    --solver=examples/cifar10/cifar10_full_solver.prototxt


# reduce learning rate by factor of 10
$TOOLS/caffe train \
    --solver=examples/cifar10/cifar10_full_solver_lr1.prototxt \
    --snapshot=examples/cifar10/cifar10_full_iter_60000.solverstate


# reduce learning rate by factor of 10
$TOOLS/caffe train \
    --solver=examples/cifar10/cifar10_full_solver_lr2.prototxt \
    --snapshot=examples/cifar10/cifar10_full_iter_65000.solverstate