bug fixes for multi-threading

source/train/XLeader.cpp

@@ -107,13 +107,24 @@ void XLeader::SetServerModel(XConfig * config, XModel * model)
 {
     XList members;
     for (int i = 0; i < jworkers.count; i++) {
-        XModel * member = (XModel*)jworkers.GetItem(i);
+        XModel * member = ((XWorkerJob*)jworkers[i])->GetModel();
         members.Add(member);
     }
 
     SetServerModel(config, model, &members);
 }
     
+/* initialize the models for running them */
+void XLeader::InitForRun()
+{
+    serverModel.InitForRun();
+    
+    for (int i = 0; i < jworkers.count; i++) {
+        XModel * model = ((XWorkerJob*)jworkers[i])->GetModel();
+        model->InitForRun();
+    }
+}
+
 /* get loss */
 float XLeader::GetLoss()
 {
@@ -260,6 +271,8 @@ bool XLeader::Run(XConfig * config, DataDistributeBase * dataDistributor,
     int activeJobCount = 0;
     int* active = new int[jworkers.count];
     
+    InitForRun();
+
     for (int i = 0; i < jworkers.count; i++)
         active[i] = 0;
 

source/train/XLeader.h

@@ -109,6 +109,9 @@ public:
     /* set the server model */
     void SetServerModel(XConfig * config, XModel * model);
     
+    /* initialize the models for running them */
+    void InitForRun();
+
     /* get loss */
     float GetLoss();
     

source/train/XModel.cpp

@@ -127,6 +127,16 @@ bool XModel::CheckParam()
     return true;
 }
     
+/* initial model for running the it */
+void XModel::InitForRun()
+{
+    for (int i = 0; i < params.count; i++) {
+        XTensor * param = (XTensor*)params[i];
+        param->isGradFinished = false;
+        flags[i] = PARAM_STATE_NOT_READY;
+    }
+}
+
 /* refresh the model */
 void XModel::RefreshMe()
 {

source/train/XModel.h

@@ -95,6 +95,9 @@ public:
     /* check if the parameters are well-defined for training */
     bool CheckParam();
     
+    /* initial model for running the it */
+    void InitForRun();
+
     /* refresh the model */
     void RefreshMe();