diff --git a/README.md b/README.md
index 34c8a6b730a3..21670e1e59fb 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@
 </div>
 
 ## Latest News
+* [2023/07] [65B Model Pretraining Accelerated by 38%, Best Practices for Building LLaMA-Like Base Models Open-Source](https://www.hpc-ai.tech/blog/large-model-pretraining)
 * [2023/03] [ColossalChat: An Open-Source Solution for Cloning ChatGPT With a Complete RLHF Pipeline](https://medium.com/@yangyou_berkeley/colossalchat-an-open-source-solution-for-cloning-chatgpt-with-a-complete-rlhf-pipeline-5edf08fb538b)
 * [2023/03] [Intel and Colossal-AI Partner to Deliver Cost-Efficient Open-Source Solution for Protein Folding Structure Prediction](https://www.hpc-ai.tech/blog/intel-habana)
 * [2023/03] [AWS and Google Fund Colossal-AI with Startup Cloud Programs](https://www.hpc-ai.tech/blog/aws-and-google-fund-colossal-ai-with-startup-cloud-programs)
@@ -49,6 +50,7 @@
  <li>
    <a href="#Parallel-Training-Demo">Parallel Training Demo</a>
    <ul>
+     <li><a href="#LLaMA">LLaMA</a></li>
      <li><a href="#GPT-3">GPT-3</a></li>
      <li><a href="#GPT-2">GPT-2</a></li>
      <li><a href="#BERT">BERT</a></li>
@@ -216,6 +218,15 @@ Acceleration of [AlphaFold Protein Structure](https://alphafold.ebi.ac.uk/)
 
 ## Parallel Training Demo
 
+### LLaMA
+<p align="center">
+<img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/examples/images/LLaMA_pretraining.png" width=600/>
+</p>
+
+- 65-billion-parameter large model pretraining accelerated by 38%
+[[code]](https://github.com/hpcaitech/ColossalAI/tree/example/llama/examples/language/llama)
+[[blog]](https://www.hpc-ai.tech/blog/large-model-pretraining)
+
 ### GPT-3
 <p align="center">
 <img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/GPT3-v5.png" width=700/>
diff --git a/colossalai/communication/p2p.py b/colossalai/communication/p2p.py
index 1f20fca4f74d..d28d140168fd 100644
--- a/colossalai/communication/p2p.py
+++ b/colossalai/communication/p2p.py
@@ -1,16 +1,18 @@
 #!/usr/bin/env python
 # -*- encoding: utf-8 -*-
 
+import operator
+from functools import reduce
 from typing import List, Tuple, Union
+
 import torch
 import torch.distributed as dist
 
 from colossalai.context.parallel_mode import ParallelMode
 from colossalai.core import global_context as gpc
 from colossalai.utils import get_current_device
-from functools import reduce
-import operator
-from .utils import split_tensor_into_1d_equal_chunks, gather_split_1d_tensor
+
+from .utils import gather_split_1d_tensor, split_tensor_into_1d_equal_chunks
 
 TensorShape = Union[torch.Size, List[int], Tuple[int]]
 
@@ -260,7 +262,7 @@ def send_forward_recv_backward(output_tensor,
                                next_rank=None,
                                dtype=torch.float,
                                scatter_gather_tensors=False) -> Union[torch.Tensor, List[torch.Tensor]]:
-    """Batched communication operation. Sends the input tensor to the 
+    """Batched communication operation. Sends the input tensor to the
     next stage in pipeline, while receives the gradient tensor from the
     next stage in pipeline as the input gradient tensor of this stage.
 
@@ -319,7 +321,7 @@ def send_forward_recv_forward(output_tensor,
                               next_rank=None,
                               dtype=torch.float,
                               scatter_gather_tensors=False) -> Union[torch.Tensor, List[torch.Tensor]]:
-    """Batched communication operation. Sends the input tensor to the 
+    """Batched communication operation. Sends the input tensor to the
     next stage in pipeline, while receives the output tensor from the
     previous stage in pipeline as the input of this stage.
 
diff --git a/docs/README-zh-Hans.md b/docs/README-zh-Hans.md
index 1dde7a816676..e229c65d890c 100644
--- a/docs/README-zh-Hans.md
+++ b/docs/README-zh-Hans.md
@@ -24,6 +24,7 @@
 </div>
 
 ## 新闻
+* [2023/07] [65B Model Pretraining Accelerated by 38%, Best Practices for Building LLaMA-Like Base Models Open-Source](https://www.hpc-ai.tech/blog/large-model-pretraining)
 * [2023/03] [ColossalChat: An Open-Source Solution for Cloning ChatGPT With a Complete RLHF Pipeline](https://medium.com/@yangyou_berkeley/colossalchat-an-open-source-solution-for-cloning-chatgpt-with-a-complete-rlhf-pipeline-5edf08fb538b)
 * [2023/03] [Intel and Colossal-AI Partner to Deliver Cost-Efficient Open-Source Solution for Protein Folding Structure Prediction](https://www.hpc-ai.tech/blog/intel-habana)
 * [2023/03] [AWS and Google Fund Colossal-AI with Startup Cloud Programs](https://www.hpc-ai.tech/blog/aws-and-google-fund-colossal-ai-with-startup-cloud-programs)
@@ -49,6 +50,7 @@
  <li>
    <a href="#并行训练样例展示">并行训练样例展示</a>
    <ul>
+     <li><a href="#LLaMA">LLaMA</a></li>
      <li><a href="#GPT-3">GPT-3</a></li>
      <li><a href="#GPT-2">GPT-2</a></li>
      <li><a href="#BERT">BERT</a></li>
@@ -209,6 +211,14 @@ Colossal-AI 为您提供了一系列并行组件。我们的目标是让您的
 <p align="right">(<a href="#top">返回顶端</a>)</p>
 
 ## 并行训练样例展示
+### LLaMA
+<p align="center">
+<img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/examples/images/LLaMA_pretraining.png" width=600/>
+</p>
+
+- 650亿参数大模型预训练加速38%
+[[代码]](https://github.com/hpcaitech/ColossalAI/tree/example/llama/examples/language/llama)
+[[博客]](https://www.hpc-ai.tech/blog/large-model-pretraining)
 
 ### GPT-3
 <p align="center">
diff --git a/examples/language/llama/README.md b/examples/language/llama/README.md
new file mode 100644
index 000000000000..871804f2ca86
--- /dev/null
+++ b/examples/language/llama/README.md
@@ -0,0 +1,11 @@
+# Pretraining LLaMA: best practices for building LLaMA-like base models
+
+<p id="ColossalChat-Speed" align="center">
+<img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/examples/images/LLaMA_pretraining.png" width=600/>
+</p>
+
+- 65-billion-parameter large model pretraining accelerated by 38%
+[[code]](https://github.com/hpcaitech/ColossalAI/tree/example/llama/examples/language/llama)
+[[blog]](https://www.hpc-ai.tech/blog/large-model-pretraining)
+
+> Since the main branch is being updated, in order to maintain the stability of the code, this example is temporarily kept as an [independent branch](https://github.com/hpcaitech/ColossalAI/tree/example/llama/examples/language/llama).