Multiple train phases

[Tim]

Hello!

Is it possible to have multiple training phases/stages like the options for testing phase in https://github.com/BVLC/caffe/issues/3864
I would like to training different layers of the net individually.during the different training stages.

[Jonathan R. Williford]

If you are using the caffe command for training, you will need to make a separate call for each stage. The caffe command accepts a parameter "-stage". It might be easier to make a separate prototxt for each stage. For a single prototxt, you will need to duplicate the layers for each stage. For layers without learning, you will need to set both lr_mult and decay_mult to 0 (separately for the weights and biases).

Best,

Jonathan

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[Tim]

Thanks for your answer!

On Thursday, September 7, 2017 at 3:45:56 PM UTC+8, Jonathan R. Williford wrote:

If you are using the caffe command for training, you will need to make a separate call for each stage. The caffe command accepts a parameter "-stage". It might be easier to make a separate prototxt for each stage. For a single prototxt, you will need to duplicate the layers for each stage. For layers without learning, you will need to set both lr_mult and decay_mult to 0 (separately for the weights and biases).

Best,

Jonathan

On Thu, Sep 7, 2017 at 7:43 AM, Tim <radica...@gmail.com> wrote:

Hello!

Is it possible to have multiple training phases/stages like the options for testing phase in https://github.com/BVLC/caffe/issues/3864
I would like to training different layers of the net individually.during the different training stages.

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