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Q1. compile caffe .cpp file , come out an error :
d302@d302-MS-7816-04:~/wangxiao/spl-caffe-master$ make -j8
NVCC src/caffe/layers/euclidean_loss_layer.cu
src/caffe/layers/euclidean_loss_layer.cu(43): error: a value of type "const float *" cannot be used to initialize an entity of type "float *"
detected during instantiation of "void caffe::EuclideanLossLayer<Dtype>::Backward_gpu(const std::vector<caffe::Blob<Dtype> *, std::allocator<caffe::Blob<Dtype> *>> &, const std::vector<__nv_bool, std::allocator<__nv_bool>> &, const std::vector<caffe::Blob<Dtype> *, std::allocator<caffe::Blob<Dtype> *>> &) [with Dtype=float]"
(105): here
the original code is :
Solution 1: No solution, because the char* can not give to const char*, and the value of const char* can not be changed . and in my problem, we don't need change the predict score at all.
Q2. when trained a AlexNet caffe model, and use the Matlab Interface to extract Features or predicted Scores , However it tell me errors like the following :

d302@d302-MS-7816-04:~$ matlab
libprotobuf ERROR google/protobuf/text_format.cc:172] Error parsing text-format caffe.NetParameter: 339:2: Expected identifier.
WARNING: Logging before InitGoogleLogging() is written to STDERR
F0116 15:34:34.112346 25564 upgrade_proto.cpp:928] Check failed: ReadProtoFromTextFile(param_file, param) Failed to parse NetParameter file: ../../models/bvlc_alexnet/alex_hat_deploy.prototxt
*** Check failure stack trace: ***
Killed
Solution 2: layer 6 was repaired when I train my model , i.e.
layer {
name: "fc6_wx"
type: "InnerProduct"
bottom: "pool5"
top: "fc6_wx"
param {
lr_mult: 1
decay_mult: 1
}
lr_mult: 2
decay_mult: 0
inner_product_param {
num_output: 4096
weight_filler {
type: "gaussian"
std: 0.005
}
bias_filler {
type: "constant"
value: 0.1
}
change the name: "fc6_wx" into name: "fc6", and it will be OK .