fix the bug of suming the word numbers of both source and target-sides for the…

fix the bug of suming the word numbers of both source and target-sides for the loss computation in transformer MT models

source/sample/transformer/T2TTrainer.cpp

@@ -221,9 +221,6 @@ void T2TTrainer::Train(const char * fn, const char * validFN, const char * model
             //if (output.GetDim(0) > 1)
             //    PadOutput(&output, &gold, &paddingDec);
 
-            //output.Dump(tmpFILE, "output: ");
-            //fflush(tmpFILE);
-
             /* get probabilities */
             float prob = GetProb(&output, &gold, NULL);
             
@@ -275,19 +272,6 @@ void T2TTrainer::Train(const char * fn, const char * validFN, const char * model
                 XPRINT(0, stderr, "\n");
             }
 
-            //XMem * mem = model->mem;
-            //MTYPE used = 0;
-            //MTYPE total = 0;
-            //for(int i = 0; i < mem->blockNum; i++){
-            //    if(mem->blocks[i].mem != NULL){
-            //        used += mem->blocks[i].used;
-            //        total += mem->blocks[i].size;
-            //    }
-            //}
-
-            //fprintf(stderr, "%d %d %d %d mem: %lld %lld\n", paddingEnc.GetDim(0), paddingEnc.GetDim(1), 
-            //        paddingDec.GetDim(0), paddingDec.GetDim(1), used, total);
-
             if(nStepCheckpoint > 0 && ++nStepCheck >= nStepCheckpoint){
                 MakeCheckpoint(model, validFN, modelFN, "step", step);
                 nStepCheck = 0;
@@ -884,6 +868,9 @@ int T2TTrainer::LoadBatchMT(FILE * file,
     paddingDec->SetZeroAll();
     gold->SetZeroAll();
 
+    int wCountEnc = 0;
+    int wCountDec = 0;
+    int wGold = 0;
     wCount = 0;
 
     MTYPE * batchEncOffsets = new MTYPE[batchEnc->unitNum];
@@ -911,8 +898,8 @@ int T2TTrainer::LoadBatchMT(FILE * file,
     batchEnc->SetDataBatched(batchEncOffsets, batchEncValues, wCount);
     paddingEnc->SetDataBatched(paddingEncOffsets, 1.0F, wCount);
 
-    int wCountDec = 0;
-    int wGold = 0;
+    wCountEnc = wCount;
+    wCount = 0;
 
     /* batch of the target-side sequences */
     for(int s = seq + 1; s < seq + sc; s += 2){