Update Experiment result about Colossal-AI with ZeRO (#479)

* [readme] add experimental visualisation regarding ColossalAI with ZeRO (#476)

* Hotfix/readme (#478)

* add experimental visualisation regarding ColossalAI with ZeRO

* adjust newly-added figure size

README-zh-Hans.md

@@ -84,7 +84,11 @@ Colossal-AI为您提供了一系列并行训练组件。我们的目标是让您
 ### GPT-2
 <img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/GPT2.png" width=800/>
 
-- 降低11倍GPU显存占用，或超线性扩展 
+- 降低11倍GPU显存占用，或超线性扩展（张量并行）
+
+<img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/Colossal-AI%20with%20ZeRO.jpg" width=393>
+
+- 能训练接近11倍大小的模型（ZeRO） 
 
 ### BERT
 <img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/BERT.png" width=800/>

README.md

@@ -85,8 +85,11 @@ distributed training in a few lines.
 ### GPT-2
 <img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/GPT2.png" width=800/>
 
-- 11x lower GPU RAM, or superlinear scaling
+- 11x lower GPU RAM, or superlinear scaling with Tensor Parallel
 
+<img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/Colossal-AI%20with%20ZeRO.jpg" width=393>
+
+- 10.7x larger model size with ZeRO
 ### BERT
 <img src="https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/BERT.png" width=800/>