fix kaldi lstm typo, update docs, add block_dim limit check for TargetRmsOp

docs/development/dynamic_lstm.rst

@@ -20,4 +20,4 @@ After fusing:
    :align: center
 
 For more details about LSTMNonlinear in Kaldi,
-please refer to [LstmNonlinearComponent](http://kaldi-asr.org/doc/nnet-simple-component_8h_source.html#l02164)
\ No newline at end of file
+please refer to [LstmNonlinearityComponent](http://kaldi-asr.org/doc/nnet-combined-component_8h_source.html#l00255)

mace/ops/dynamic_lstm.cc

@@ -12,9 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This Op is for Fused-LstmNonlinearComponent
+// This Op is for Fused-LstmNonlinearityComponent
 // with prev cell states as inputs in Kaldi.
-// http://kaldi-asr.org/doc/nnet-simple-component_8h_source.html#l02164
+// http://kaldi-asr.org/doc/nnet-combined-component_8h_source.html#l00255
 // More details are in docs/development/dynamic_lstm.md
 
 #include <functional>

mace/ops/lstm_nonlinear.cc

@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This Op is for LstmNonlinearComponent in Kaldi.
-// http://kaldi-asr.org/doc/nnet-simple-component_8h_source.html#l02164
+// This Op is for LstmNonlinearityComponent in Kaldi.
+// http://kaldi-asr.org/doc/nnet-combined-component_8h_source.html#l00255
 
 #include <functional>
 #include <memory>

mace/ops/target_rms_norm.cc

@@ -104,6 +104,7 @@ class TargetRMSNormOp<DeviceType::CPU, T> : public Operation {
         std::accumulate(input_shape.begin(), input_shape.end() - 1, 1,
                         std::multiplies<index_t>());
     if (block_dim_ == 0) block_dim_ = static_cast<int>(input_dim);
+    MACE_CHECK(input_dim % block_dim_ == 0, "block_dim must divide input_dim!");
     const index_t output_dim = add_log_stddev_ ?
                                input_dim + (input_dim / block_dim_) : input_dim;
     std::vector<index_t> output_shape = input->shape();