"update interface"

0fc42012 · dzhwinter · 33b4deed · 0fc42012 · 0fc42012 · 0fc42012
5 changed file
--- a/paddle/optimizer/adadelta_optimizer.h
+++ b/paddle/optimizer/adadelta_optimizer.h
@@ -10,9 +10,6 @@ public:
  AdadeltaOptimizer(
      Tensor *parameter, LrPolicy *lr, double rho, double epsilon, double decay)
      : ParameterOptimizer(parameter, lr),
-        accum_gradient_(nullptr),
-        accum_delta_(nullptr),
-        update_delta_(nullptr),
        rho_(rho),
        epsilon_(epsilon),
        decay_(decay) {

--- a/paddle/optimizer/adagrad_optimizer.h
+++ b/paddle/optimizer/adagrad_optimizer.h
@@ -20,6 +20,8 @@ public:
    if (accum_gradient_) delete accum_gradient_;
  }
  void Update(const Tensor *gradient);
+  const char *SerializeState(int *state_len);
+  void DeSerializeState(const std::string &state);

 private:
  Tensor *accum_gradient_;

--- a/paddle/optimizer/adam_optimizer.cc
+++ b/paddle/optimizer/adam_optimizer.cc
@@ -4,13 +4,6 @@
 namespace paddle {
 namespace optimizer {

-void AdamOptimizer::set_weight(Tensor *p) {
-  parameter_ = p;
-  size_t size = p->size();
-  momentums_ = new Tensor(size);
-  velocitys_ = new Tensor(size);
-}
-
 void AdamOptimizer::Update(const Tensor *gradient) {
  num_sample_passed_ += 1;
  double learning_rate = lr_policy_->LearningRate(num_sample_passed_);

--- a/paddle/optimizer/adam_optimizer.h
+++ b/paddle/optimizer/adam_optimizer.h
@@ -13,18 +13,19 @@ public:
                double epsilon,
                double decay)
      : ParameterOptimizer(parameter, lr),
-        momentums_(nullptr),
-        velocitys_(nullptr),
        beta_1_(beta_1),
        beta_2_(beta_2),
        epsilon_(epsilon),
-        decay_(decay) {}
+        decay_(decay) {
+    size_t size = p->size();
+    momentums_ = new Tensor(size);
+    velocitys_ = new Tensor(size);
+  }
  ~AdamOptimizer() {
    if (momentums_) delete momentums_;
    if (velocitys_) delete velocitys_;
  }
  void Update(const Tensor *gradient);
-  void set_weight(Tensor *p);

 private:
  Tensor *momentums_;

--- a/paddle/optimizer/serialization.h
+++ b/paddle/optimizer/serialization.h
@@ -17,7 +17,7 @@ unsigned CalStateSize(const HEAD& head, const TAIL&... tail) {
  if (std::is_fundamental<HEAD>::value) {
    return sizeof head + CalStateSize(tail...);
  } else {
-    return sizeof(head[0] * head->size()) + CalStateSize(tail...);
+    return sizeof(head[0]) * head->size() + CalStateSize(tail...);
  }
 }