提交 cac4ad44 编写于 作者: C caoying03

delete useless codes in softmax backward.

上级 56faf513
......@@ -112,7 +112,6 @@ BEGIN_DEFINE_ACTIVATION(softmax)
private:
MatrixPtr sftMaxSum_;
MatrixPtr sftMaxDot_;
MatrixPtr one_;
public:
Error __must_check forward(Argument& act) {
......@@ -138,14 +137,6 @@ Error __must_check backward(Argument& act) {
1,
/* trans */ false,
useGpu(act.deviceId));
if (!one_ || one_->getWidth() != outputG->getWidth()) {
Matrix::resizeOrCreate(one_,
1,
outputG->getWidth(),
/* trans */ false,
useGpu(act.deviceId));
one_->one();
}
sftMaxDot_->dotMul(*outputG, *outputV);
sftMaxSum_->colMerge(*sftMaxDot_);
......
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