nnet1: minor cosmetic change,

egs/wsj/s5/utils/nnet/make_blstm_proto.py

@@ -28,8 +28,8 @@ parser = OptionParser(usage)
 # Required,
 parser.add_option('--cell-dim', dest='cell_dim', type='int', default=320,
                    help='Number of cells for one direction in BLSTM [default: %default]');
-parser.add_option('--proj-dim', dest='proj_dim', type='int', default=400,
-                   help='Number of LSTM recurrent units [default: %default]');
+parser.add_option('--proj-dim', dest='proj_dim', type='int', default=200,
+                   help='Dim reduction for one direction in BLSTM [default: %default]');
 parser.add_option('--num-layers', dest='num_layers', type='int', default=2,
                    help='Number of BLSTM layers [default: %default]');
 # Optional (default == 'None'),

src/nnet/nnet-parallel-component.h

@@ -75,10 +75,8 @@ class ParallelComponent : public MultistreamComponent {
                          << " (NestedNnet|NestedNnetFilename|NestedNnetProto)";
       }
     }
-    // initialize,
-    KALDI_ASSERT((nested_nnet_proto.size() > 0) ^
-                 (nested_nnet_filename.size() > 0));  // ^xor,
-    // read nnets from files,
+    // Initialize,
+    // First, read nnets from files,
     if (nested_nnet_filename.size() > 0) {
       for (int32 i = 0; i < nested_nnet_filename.size(); i++) {
         Nnet nnet;
@@ -88,7 +86,7 @@ class ParallelComponent : public MultistreamComponent {
                   << nested_nnet_filename[i];
       }
     }
-    // initialize nnets from prototypes,
+    // Second, initialize nnets from prototypes,
     if (nested_nnet_proto.size() > 0) {
       for (int32 i = 0; i < nested_nnet_proto.size(); i++) {
         Nnet nnet;
@@ -98,7 +96,7 @@ class ParallelComponent : public MultistreamComponent {
                   << nested_nnet_proto[i];
       }
     }
-    // check dim-sum of nested nnets,
+    // Check dim-sum of nested nnets,
     int32 nnet_input_sum = 0, nnet_output_sum = 0;
     for (int32 i = 0; i < nnet_.size(); i++) {
       nnet_input_sum += nnet_[i].InputDim();