Merge pull request #3605 from emailweixu/fixed_boot_bias

Allow boot_bias for recurrent group to be static

Merge pull request #3605 from emailweixu/fixed_boot_bias
Allow boot_bias for recurrent group to be static
9bc4cf65 · Cao Ying · GitHub · 0d1715da · 93539093 · 9bc4cf65
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp +1 -1

未找到文件。
--- a/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp
+++ b/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp
@@ -184,7 +184,7 @@ public:
  }

  void backward(const UpdateCallback& callback) override {
-    if (biases_) {
+    if (biases_ && biases_->getWGrad()) {
      backwardActivation();
      biases_->getWGrad()->collectBias(*getOutputGrad(), 1);
      biases_->getParameterPtr()->incUpdate(callback);