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为什么把loss设置成arcloss之后，loss为87.33，accuracy为1？
layer {
name: "cosin_add_m"
type: "CosinAddm"
bottom: "concat_fc"
bottom: "label"
top: "fc6_margin"
cosin_add_m_param {
m: 0.5
}
}
layer {
name: "fc6_margin_scale"
type: "Scale"
bottom: "fc6_margin"
top: "fc6_margin_scale"
param {
lr_mult: 0
decay_mult: 0
}
scale_param {
filler{
type: "constant"
value: 64
}
}
}
layer {
name: "concat_loss"
type: "SoftmaxWithLoss"
bottom: "fc6_margin_scale"
bottom: "label"
top: "concat_loss"
}
如果直接是
layer {
name: "concat_loss"
type: "SoftmaxWithLoss"
bottom: "concat_fc"
bottom: "label"
top: "concat_loss"
}
就可以收敛， 搞不清了为什么了
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