Merge pull request #4 from leix28/master

reduce memory consumption.

Author: jind11

comp_cos_sim_mat.py

@@ -10,7 +10,7 @@
         embeddings.append(embedding)
 embeddings = np.array(embeddings)
 print(embeddings.T.shape)
-product = np.dot(embeddings, embeddings.T)
 norm = np.linalg.norm(embeddings, axis=1, keepdims=True)
-cos_sim = product / np.dot(norm, norm.T)
-np.save(('cos_sim_counter_fitting.npy'), cos_sim)
+embeddings = np.asarray(embeddings / norm, "float32")
+product = np.dot(embeddings, embeddings.T)
+np.save(('cos_sim_counter_fitting.npy'), product)