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README.md

@@ -80,6 +80,21 @@ python sample_t2i.py --prompt "渔舟唱晚" --infer-mode trt
 python sample_t2i.py --prompt "渔舟唱晚" --infer-mode trt --no-enhance
 ```
 
+### 5. Notice
+
+The TensorRT engine is designed to support following shapes of input for performance reasons.
+In the future, we will verify and try to support arbitrary shapes.
+
+```python
+STANDARD_SHAPE = [
+    [(768, 768), (1024, 1024), (1280, 1280)],   # 1:1
+    [(1024, 768), (1152, 864), (1280, 960)],    # 4:3
+    [(768, 1024), (864, 1152), (960, 1280)],    # 3:4
+    [(1280, 768)],                              # 16:9
+    [(768, 1280)],                              # 9:16
+]
+```
+
 ## ❓ Q&A
 
 Please refer to the [Q&A](./QA.md) for more questions and answers about building the TensorRT Engine.