stoping critiera

source/sample/transformer/T2TSearch.cpp

@@ -141,6 +141,10 @@ void T2TSearch::Search(T2TModel * model, XTensor * input, XTensor * padding, XTe
 
         /* push complete hypotheses into the heap */
         Collect(next);
+
+        /* stop searching when all hypotheses are completed */
+        if(IsAllCompleted(next))
+            break;
     }
 
     /* fill the heap with imcomplete hypotheses if neccesary */
@@ -262,15 +266,15 @@ void T2TSearch::Generate(T2TStateBundle * beam)
     XTensor &prob = beam->prob;
     int order = score.order;
 
-    CheckNTErrors(order >= 3, "The tensor must be of order 2 or larger.");
-    CheckNTErrors(dimsBeam[order - 3] % beamSize == 0, "Wrong dimension size!");
-    
     for (int i = 0; i < order; i++) {
         dims[i] = score.GetDim(i);
         dimsBeam[i] = score.GetDim(i);
         dimsTopK[i] = score.GetDim(i);
     }
 
+    CheckNTErrors(order >= 3, "The tensor must be of order 2 or larger.");
+    CheckNTErrors(dimsBeam[order - 3] % beamSize == 0, "Wrong dimension size!");
+
     int sizeVocab = score.GetDim(-1);
     int stride = score.GetDim(-1);
 
@@ -574,6 +578,23 @@ void T2TSearch::SetEnd(const int * tokens, const int tokenNum)
     endSymbolNum = tokenNum;
 }
 
+/* 
+check whether all hypotheses are completed 
+>> beam - the beam that keeps the searching states
+*/
+bool T2TSearch::IsAllCompleted(T2TStateBundle * beam)
+{
+    T2TState * states = beam->states;
+
+     for (int i = 0; i < beam->stateNum; i++) {
+        T2TState & state = states[i];
+        if(!state.isCompleted)
+            return false;
+     }
+
+     return true;
+}
+
 /*
 make a mask to prevent duplicated entries in beam expansion for the first position
 >> beam - the beam that keeps the searching states

source/sample/transformer/T2TSearch.h

@@ -102,6 +102,9 @@ public:
     /* set end symbols for search */
     void SetEnd(const int * tokens, const int tokenNum);
 
+    /* check whether all hypotheses are completed */
+    bool IsAllCompleted(T2TStateBundle * beam);
+
     /* make a mask to prevent duplicated entries in beam expansion for the first position */
     XTensor MakeFirstMask(T2TStateBundle * beam);
 };

source/sample/transformer/T2TTester.cpp

@@ -129,7 +129,7 @@ void T2TTester::Test(const char * fn, const char * ofn, T2TModel * model)
         if (batchCount % 1 == 0) {
             double elapsed = GetClockSec() - startT;
             XPRINT3(0, stderr, 
-                   "[INFO] elapsed=%.1fs, sentence=%d, sword=%d\n",
+                   "[INFO] elapsed=%.1fs, sent=%d, sword=%d\n",
                     elapsed, sentCount, wordCount);
         }
     }
@@ -141,8 +141,8 @@ void T2TTester::Test(const char * fn, const char * ofn, T2TModel * model)
     
     double elapsed = GetClockSec() - startT;
 
-    XPRINT3(0, stderr, "[INFO] test finished (took %.1fs, word=%d, and ppl=%.3f)\n",
-            elapsed,wordCountTotal, exp(loss/wordCount));
+    XPRINT4(0, stderr, "[INFO] test finished (took %.1fs, word=%d, sent=%d, and ppl=%.3f)\n",
+            elapsed,wordCountTotal, sentCount, exp(loss/wordCount));
 }
 
 /*