void BiasChannelLayer<Dtype>::Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
// TODO(gpapan): write a CUDA kernel for this case
const BiasChannelParameter_LabelType label_type =
this->layer_param_.bias_channel_param().label_type();
if (label_type == BiasChannelParameter_LabelType_PIXEL) {
Forward_cpu(bottom, top);
return;
}
caffe_copy(bottom[0]->count(), bottom[0]->gpu_data(), top[0]->mutable_gpu_data());
for (int n = 0; n < num_; ++n) {
for (int j = 0; j < max_labels_; ++j) {
const int label = static_cast<int>(*bottom[1]->cpu_data_at(n, j));
if (ignore_label_.count(label) != 0) {
continue;
} else if (label >= 0 && label < channels_) {
// Bias the foreground or background scores
const Dtype bias = (label == 0) ? bg_bias_ : fg_bias_;
caffe_gpu_add_scalar(height_ * width_, bias, top[0]->mutable_gpu_data_at(n, label));
} else {
LOG(FATAL) << "Unexpected label " << label;
}
}
}
}
inline Dtype Layer<Dtype>::Forward(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
Dtype loss = 0;
Reshape(bottom, top);
switch (Caffe::mode()) {
case Caffe::CPU:
Forward_cpu(bottom, top);
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) { continue; }
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->cpu_data();
const Dtype* loss_weights = top[top_id]->cpu_diff();
loss += caffe_cpu_dot(count, data, loss_weights);
}
break;
case Caffe::GPU:
Forward_gpu(bottom, top);
#ifndef CPU_ONLY
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) { continue; }
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->gpu_data();
const Dtype* loss_weights = top[top_id]->gpu_diff();
Dtype blob_loss = 0;
caffe_gpu_dot(count, data, loss_weights, &blob_loss);
loss += blob_loss;
}
#endif
break;
default:
LOG(FATAL) << "Unknown caffe mode.";
}
return loss;
}
inline Dtype Layer<Dtype>::Forward(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
// Lock during forward to ensure sequential forward
Lock();
Dtype loss = 0;
Reshape(bottom, top);
switch (Caffe::mode()) {
case Caffe::CPU:
Forward_cpu(bottom, top);
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) {
continue;
}
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->cpu_data();
const Dtype* loss_weights = top[top_id]->cpu_diff();
loss += caffe_cpu_dot(count, data, loss_weights);
}
break;
case Caffe::GPU:
Forward_gpu(bottom, top);
#ifndef CPU_ONLY
if (device_->backend() == BACKEND_CUDA) {
#ifdef USE_CUDA
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) {
continue;
}
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->gpu_data();
const Dtype* loss_weights = top[top_id]->gpu_diff();
Dtype blob_loss = 0;
caffe_gpu_dot(count, data, loss_weights, &blob_loss);
loss += blob_loss;
}
#endif // USE_CUDA
} else {
#ifdef USE_GREENTEA
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) {
continue;
}
const int count = top[top_id]->count();
cl_mem data = (cl_mem) (top[top_id]->gpu_data());
cl_mem loss_weights = (cl_mem) (top[top_id]->gpu_diff());
Dtype blob_loss = 0;
greentea_gpu_dot(this->device_->id(), count, data, 0,
loss_weights, 0, &blob_loss);
loss += blob_loss;
}
#endif // USE_GREENTEA
}
#endif
break;
default:
LOG(FATAL)<< "Unknown caffe mode.";
}
Unlock();
return loss;
}
inline Dtype Layer<Dtype>::Forward(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
// Lock during forward to ensure sequential forward
Lock();
Dtype loss = 0;
double tempdouble = 0;
int tempint = 0;
//if (bottom.size() != 0)
// tempint = bottom[0]->count();
Reshape(bottom, top);
switch (Caffe::mode()) {
case Caffe::CPU:
Forward_cpu(bottom, top);
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) { continue; }
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->cpu_data();
//const Dtype* label = bottom[0]->cpu_data();
//for (int i = 0; i < 10; i++)
//{
//
// printf("%lf\t", data[i]);
// /*if ((i + 1) % 10 == 0)
// {
// printf("\n");
// }*/
//
//}
//for (int i = 0; i < 10; i++)
// printf("%lf\t", label[i]);
const Dtype* loss_weights = top[top_id]->cpu_diff();
loss += caffe_cpu_dot(count, data, loss_weights);
}
break;
case Caffe::GPU:
Forward_gpu(bottom, top);
#ifndef CPU_ONLY
for (int top_id = 0; top_id < top.size(); ++top_id) {
if (!this->loss(top_id)) { continue; }
const int count = top[top_id]->count();
const Dtype* data = top[top_id]->gpu_data();
const Dtype* loss_weights = top[top_id]->gpu_diff();
Dtype blob_loss = 0;
caffe_gpu_dot(count, data, loss_weights, &blob_loss);
loss += blob_loss;
}
#endif
break;
default:
LOG(FATAL) << "Unknown caffe mode.";
}
Unlock();
return loss;
}
void ReconstructionLayer<Dtype>::LayerSetUp(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
allow_refill_ = true;
DummyDataLayer<Dtype>::LayerSetUp(bottom, top);
Forward_cpu(bottom, top);
allow_refill_ = false;
this->blobs_.resize(top.size());
for (int i = 0; i < top.size(); ++i) {
this->blobs_[i].reset(top[i]);
}
}
inline void Layer<Dtype>::Forward(const vector<Blob<Dtype>*>& bottom,
vector<Blob<Dtype>*>* top) {
switch (Caffe::mode()) {
case Caffe::CPU:
Forward_cpu(bottom, top);
break;
case Caffe::GPU:
Forward_gpu(bottom, top);
break;
default:
LOG(FATAL)<< "Unknown caffe mode.";
}
};
void TanHLayer<Dtype>::Forward_cpu(const vector<Blob<Dtype>*>& bottom,
vector<Blob<Dtype>*>* top) {
const Dtype* bottom_data = bottom[0]->cpu_data();
Dtype* top_data = (*top)[0]->mutable_cpu_data();
//Dtype exp2x;
const int count = bottom[0]->count();
Forward_cpu(count, bottom_data, top_data);
/*
for (int i = 0; i < count; ++i) {
exp2x = exp(2 * bottom_data[i]);
top_data[i] = (exp2x - Dtype(1)) / (exp2x + Dtype(1));
}
*/
}
void LibProcessLayer<Dtype>::Forward_gpu(const vector<Blob<Dtype>*>& bottom, const vector<Blob<Dtype>*>& top){
vector<const void *> data_bottom;
vector<void *> data_top;
if (iface_.forward_gpu) {
for (int i=0; i<bottom.size(); i++)
data_bottom.push_back(bottom[i]->gpu_data());
for (int i=0; i<top.size(); i++)
data_top.push_back(top[i]->mutable_gpu_data());
iface_.forward_gpu(libuserdata_, data_bottom, data_top);
}
else Forward_cpu(bottom, top);
}
void MaximumCaffe<T>::Forward(const std::vector<caffe::Blob<T>*>& bottom,
const std::vector<caffe::Blob<T>*>& top)
{
try
{
// CUDA
#ifdef USE_CUDA
Forward_gpu(bottom, top);
// OpenCL or CPU
#else
// CPU Version is already very fast (4ms)
Forward_cpu(bottom, top);
#endif
}
catch (const std::exception& e)
{
error(e.what(), __LINE__, __FUNCTION__, __FILE__);
}
}
/**
* @brief Using the GPU device, compute the layer output.
* Fall back to Forward_cpu() if unavailable.
*/
virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
// LOG(WARNING) << "Using CPU code as backup.";
return Forward_cpu(bottom, top);
}
virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
Forward_cpu(bottom,top);
}
void EuclideanLossHeatmapLayer<Dtype>::Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top)
{
Forward_cpu(bottom, top);
}
void MultiStageCRFLayer<Dtype>::Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
Forward_cpu(bottom, top);
}