Update README.md (#11824)

README.md

@@ -158,9 +158,15 @@ See the demo of running [*Text-Generation-WebUI*](https://ipex-llm.readthedocs.i
 Please see the **Perplexity** result below (tested on Wikitext dataset using the script [here](https://github.com/intel-analytics/ipex-llm/tree/main/python/llm/dev/benchmark/perplexity)).
 |Perplexity                 |sym_int4	|q4_k	  |fp6	  |fp8_e5m2 |fp8_e4m3 |fp16   |
 |---------------------------|---------|-------|-------|---------|---------|-------|
-|Llama-2-7B-chat-hf	        |6.3638	  |6.2179	|6.0924	|6.1796	  |6.0980   |6.0963 | 
-|Mistral-7B-Instruct-v0.1	  |6.0025	  |5.9581	|5.8930	|5.8884	  |5.8820   |5.8734 | 
-|Qwen1.5-7B-chat	           |8.8652	  |8.8163	|8.5573	|8.8463	  |8.5304   |8.6065 | 
+|Llama-2-7B-chat-hf	        |6.364 	  |6.218 	|6.092 	|6.180 	  |6.098    |6.096  | 
+|Mistral-7B-Instruct-v0.2	  |5.365 	  |5.320 	|5.270 	|5.273 	  |5.246	   |5.244  |
+|Baichuan2-7B-chat	         |6.734    |6.727	 |6.527	 |6.539	   |6.488	   |6.508  |
+|Qwen1.5-7B-chat	           |8.865 	  |8.816 	|8.557 	|8.846 	  |8.530    |8.607  | 
+|Llama-3.1-8B-Instruct	     |6.705	   |6.566	 |6.338	 |6.383	   |6.325	   |6.267  |
+|gemma-2-9b-it	             |7.541	   |7.412	 |7.269	 |7.380	   |7.268	   |7.270  |
+|Baichuan2-13B-Chat	        |6.313	   |6.160	 |6.070	 |6.145	   |6.086	   |6.031  |
+|Llama-2-13b-chat-hf	       |5.449	   |5.422	 |5.341	 |5.384	   |5.332	   |5.329  |
+|Qwen1.5-14B-Chat	          |7.529	   |7.520	 |7.367	 |7.504	   |7.297	   |7.334  |
 
 [^1]: Performance varies by use, configuration and other factors. `ipex-llm` may not optimize to the same degree for non-Intel products. Learn more at www.Intel.com/PerformanceIndex.