add avg latency

main.py

@@ -74,6 +74,7 @@ def main():
 
     # 两两相似度（余弦）——已归一化则点积即余弦
     similarity = embeddings @ embeddings.T
+    avg_latency = encode_time / len(sentences) if sentences else 0
 
     # 组织输出
     result = {
@@ -81,7 +82,8 @@ def main():
         "device": device,
         "count": len(sentences),
         "dim": int(embeddings.shape[1]) if len(embeddings.shape) == 2 else None,
-        "encode_time_seconds": round(float(encode_time), 6),
+        "total_elapsed_seconds": round(float(encode_time), 6),
+        "avg_latency": avg_latency,
         "sentences": sentences,
         "embeddings": embeddings.tolist(),          # [N, D]
         "similarity": similarity.tolist()           # [N, N]