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This commit is contained in:
Hieu Hoang 2016-09-14 14:30:23 +02:00
parent 81f6f51f6f
commit 9643f52aa5
2 changed files with 12 additions and 8 deletions
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6
src/tensor.h
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@ -172,11 +172,13 @@ class TensorImpl {
strm << "shape=" << marian::Debug(shape_) << std::endl;
// values
/*
size_t totSize = GetTotalSize(shape());
std::vector<Float> values(totSize);
thrust::copy(data_.begin(), data_.end(), values.begin());
*/
for (size_t i = 0; i < totSize; ++i) {
strm << values[i] << " ";
}
return strm.str();
}
};

14
src/test.cu
View File

@ -21,10 +21,10 @@ int main(int argc, char** argv) {
Expr w = param(shape={IMAGE_SIZE, LABEL_SIZE}, name="W0");
Expr b = param(shape={1, LABEL_SIZE}, name="b0");
auto scores = dot(x, w) + b;
auto lr = softmax(scores, axis=1, name="pred");
auto graph = -mean(sum(y * log(lr), axis=1), axis=0, name="cost");
cerr << "lr=" << lr.Debug() << endl;
Expr scores = dot(x, w) + b;
Expr lr = softmax(scores, axis=1, name="pred");
Expr graph = -mean(sum(y * log(lr), axis=1), axis=0, name="cost");
cerr << "lr=" << Debug(lr.val().shape()) << endl;
int numofdata;
vector<float> images = datasets::mnist::ReadImages("../examples/mnist/t10k-images-idx3-ubyte", numofdata, IMAGE_SIZE);
@ -38,8 +38,8 @@ int main(int argc, char** argv) {
tx.Load(images);
ty.Load(labels);
cerr << "tx=" << tx.Debug() << endl;
cerr << "ty=" << ty.Debug() << endl;
cerr << "tx=" << Debug(tx.shape()) << endl;
cerr << "ty=" << Debug(ty.shape()) << endl;
x = tx;
y = ty;
@ -50,6 +50,8 @@ int main(int argc, char** argv) {
std::cerr << "lr: " << Debug(lr.val().shape()) << endl;
std::cerr << "Log-likelihood: " << Debug(graph.val().shape()) << endl ;
std::cerr << "scores=" << scores.val().Debug() << endl;
graph.backward();
//std::cerr << graph["pred"].val()[0] << std::endl;