通过pycaffe更改Caffe中的求解器参数 [英] Changing the solver parameters in Caffe through pycaffe
问题描述
如何通过pycaffe更改Caffe中的求解器参数?
How can I change the solver parameter in Caffe through pycaffe?
例如在调用solver = caffe.get_solver(solver_prototxt_filename)
之后,我想更改求解器的参数(学习率,步长,伽玛,动量,base_lr,幂等),而不必更改solver_prototxt_filename
.
E.g. right after calling solver = caffe.get_solver(solver_prototxt_filename)
I would like to change the solver's parameters (learning rate, stepsize, gamma, momentum, base_lr, power, etc.), without having to change solver_prototxt_filename
.
推荐答案
也许您可以创建一个临时文件.
Maybe you can create a temporary file.
首先,将您的求解器参数加载为
First of all, load your solver parameters with
from caffe.proto import caffe_pb2
from google.protobuf import text_format
solver_config = caffe_pb2.SolverParameter()
with open('/your/solver/path') as f:
text_format.Merge(str(f.read()), solver_config)
您可以修改任何求解器参数,只需在solver_config
中设置所需的值即可(例如solver_config.test_interval = 15
).然后,它只是创建一个临时文件并从中加载您的求解器:
You can modify any solver parameter just setting the desired value in solver_config
(e.g. solver_config.test_interval = 15
). Then, it's just creating a temp file and load your solver from it:
new_solver_config = text_format.MessageToString(solver_config)
with open('temp.prototxt', 'w') as f:
f.write(new_solver_config)
solver = caffe.get_solver('temp.prototxt')
solver.step(1)
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